Re: [BackupPC-users] destination directory and encrytion
On 02/09/15 14:35, Jan Novak wrote: > Hi there, > > two questions: > Is it possible to switch the destination directory of the backup for > each host > and how can be a backup encoded (because of unsecure cloud server or > similar)? I've read over the thread and BackupPC is in this case not the right answer. The issues that you are trying to solve, ie separation of clients via different encryption keys and not trusting the server are fundamentally opposed to BackupPC's design. There are backup systems that make use of client side encryption, that prevent the server ever seeing the plain text file contents. The one of these that I know best is duplicity there is also one called tarsnap that I know less well. BackupPC is designed as a trusted server side pull backup system, ie the server sees the plain text of files. BackupPC makes use of file level dedup, ie the same file from multiple clients have the same content on the server. This is exactly what properly implemented encryption is designed to avoid. Encrypted file systems on cloud servers are hard to get correct, the master key for the file systems such as truecrypt or LUKS are always in the machine's memory. Unless you have physical hardware the hypervisor can always read the memory of a machine thus extract the master key without alerting the owner of the VM. Even with physical servers given access to the server and a willingness to reboot the system keys can be recovered. signature.asc Description: OpenPGP digital signature -- Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get real-time metrics from all of your servers, apps and tools in one place. SourceForge users - Click here to start your Free Trial of Datadog now! http://pubads.g.doubleclick.net/gampad/clk?id=241902991=/4140___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] BackupPC fails to start in daemon mode on Ubuntu 14.04
On 2015-05-13 03:41, Stoyan Stoyanov wrote: Hi Holger, While it seems like a packaging issue, there are no bug reports on launchpad, so I thought maybe someone on this list stumbled upon this problem. Unfortunately, nothing gets recorded in the LOG file. I ran perl in debug mode, but the program exits right after forking the child process so there is nothing really that hints on what the problem might be. Same code taken out of the context of the BackupPC script works fine i.e. child is forked and doesn't die immediately. Stoyan Hi Stoyan, Does the system that BackupPC fails to start on have ldap configured? I have this problem too and was looking at it again following your email, I noticed from strace that a called was being made to .ldaprc during backuppc startup. I have removed all ldap config and packages from the server and backuppc now starts correctly. I know this isn't a fix but at least it's a step forward. I removed libnss-ldap auth-client-config ldap-auth-config ldap-auth-client libpam-ldap I reran pam-auth-config and disabled the auto creation of home-dirs and systemd registration that I had enabled for ldap support. Tim Fletcher t...@night-shade.org.uk -- One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)
On 5 Nov 2012, at 19:02, Cassiano Surek c...@surek.co.uk wrote: Hello all, This is my first post to the list, so please be gentle. :) I have been running a backuppc server for a while, but recently it has been running way too slow to be useful. Bearing in mind that every situation is different, it would be beneficial to compare the performance of my setup with others to rule out any obvious bottlenecks. Please read below the specs for the server and a client, with the reported speed achieved with that combination. Server: Centos 5, Linux 2.6.18-53.el5 #1 SMP Mon Nov 12 02:22:48 EST 2007 i686 i686 i386 GNU/Linux Quad Intel(R) Xeon(TM) CPU 3.06GHz 2Gb Ram ext3 raid 1 pool on separate disk/partition rsync 3.0.6 backuppc 3.2.1 with the latest perl modules installed via perl CPAN. Client: Centos 4.9, Linux 2.6.9-103.ELsmp #1 SMP Fri Dec 9 04:31:51 EST 2011 i686 i686 i386 GNU/Linux Dual Intel(R) Pentium(R) 4 CPU 3.20GHz 4Gb Ram ext3 raid 1 rsync 2.6.3 (client) running via xinetd Both are connected to the same switch at the data centre using gigabit interfaces. This yields: Backup size: 105.58 Gb (yep, it is quite big) Speed: 0.29 Mb/s I think the likely problems are: Ram on the server as already pointed out. The clients disk subsystem performance, try mounting the filesystem being backed up with noatime. Try changing from rsync to tar, there are trade offs but for small files tar is faster. Clients CPU performance, less likely but might be worth trying the arcfour cypher on ssh. -- LogMeIn Central: Instant, anywhere, Remote PC access and management. Stay in control, update software, and manage PCs from one command center Diagnose problems and improve visibility into emerging IT issues Automate, monitor and manage. Do more in less time with Central http://p.sf.net/sfu/logmein12331_d2d ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] backuppc slow rsync speeds
You are being hit by disk io speeds, check you dont have atime turned on on the
fs. Also it's worth considering tar instead of rsync for this sort of work
load.
--
Sent from a mobile device
Tim Fletcher
On 17 Sep 2012, at 10:08, Mark Coetser m...@tux-edo.co.za wrote:
Hi
backuppc 3.1.0-9.1
rsync 3.0.7-2
OK I have a fairly decent spec backup server with 2 gigabit e1000 nics
bonned together and running in bond mode 0 all working 100%. If I run
plain rsync between the backup server and a backup client both connected
on gigabit lan I can get sync speeds of +/- 300mbit/s but using backuppc
and rsync the max speed I get is 20mbit and the backup is taking
forever. Currently I have a full backup thats been running for 3461:23
minutes where as the normal rsync would have taken a few hours to complete.
The data is users maildirs and its about 2.6Tb and I am not using rsync
over ssh, I have the rsync daemon running on the client and have setup
the .pl as follows.
config
#
$Conf{ClientTimeout} = 28800;
# Minimum period in days between full and incremental backups:
$Conf{FullPeriod} = 6.97;
$Conf{IncrPeriod} = 0.97;
# Number of full and incremental backups to keep:
$Conf{FullKeepCnt} = 2;
$Conf{IncrKeepCnt} = 10;
# Note that additional fulls will be kept for as long as is necessary
# to support remaining incrementals.
#$Conf{DumpPreUserCmd} = 'sudo /bin/mount -t nfs ns1:/var/mail /var/mail';
#$Conf{DumpPostUserCmd} = 'sudo /bin/umount /mnt/mail';
# What transport to use backup the client [smb|rsync|rsyncd|tar|archive]:
$Conf{XferMethod} = 'rsyncd';
# The file system path or the name of the rsyncd module to backup when
# using rsync/rsyncd:
$Conf{RsyncShareName} = ['backuppc'];
$Conf{RsyncdAuthRequired} = 0;
$Conf{RsyncdUserName} = '';
$Conf{RsyncdPasswd} = '';
# If this is defined only these files/paths will be included in the backup:
$Conf{BackupFilesOnly} = undef;
# These files/paths will be excluded from the backup:
$Conf{BackupFilesExclude} = [
'/DONOTDELETE',
'/lost+found'
];
# Level of verbosity in Xfer log files:
$Conf{XferLogLevel} = 1;
# Commands to run for client backups:
# Note the use of SSH's -C attribute. This enables compression in SSH.
$Conf{RsyncClientCmd} = '$rsyncPath $argList+';
# Commands to run for client direct restores:
# Note the use of SSH's -C attribute. This enables compression in SSH.
$Conf{RsyncClientRestoreCmd} = '$rsyncPath $argList+';
# Compression level to use on files. 0 means no compression. See notes
# in main config file before changing after backups have already been done.
$Conf{CompressLevel} = 3;
--
Thank you,
Mark Adrian Coetser
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Re: [BackupPC-users] backuppc slow rsync speeds
No it won't in the same way, you are basically asking rsync to walk the large and complex file tree checking the date of every file, where as with a full rsync all you are asking for is next file, next lie, next file -- Sent from a mobile device On 17 Sep 2012, at 15:59, Mark Coetser m...@tux-edo.co.za wrote: On 17/09/2012 14:50, Tim Fletcher wrote: You are being hit by disk io speeds, check you dont have atime turned on on the fs. Also it's worth considering tar instead of rsync for this sort of work load. -- Hi Surely disk io would affect normal rsync as well? Normal rsync and even nfs get normal transfer speeds its only rsync within backuppc that is slow. Thank you, Mark Adrian Coetser -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] rsync: full backup more than twice faster than incremental backup
On 16/08/12 09:47, Udo Rader wrote: One of the reasons I can think of is the file structure on that host. It serves as a special storage pool for a customer developed application and as such it has really really many subdirectories with really really many subdirectories with really really many subdirectories. And by really really many I mean really really many ... So my best guess would be that building the file list diff takes much longer than just fetching the files as they exist. I've now disabled incremental backups on this server, but maybe someone has an idea how to enable incremental backups for this host as well. thanks in advance! Try using tar instead of rsync, you are correct that for large file trees rsync is very slow and also RAM intensive when it's building the filetrees -- Tim Fletcher t...@night-shade.org.uk -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] BackupPC not starting at boot
Sounds like backuppc is starting before the external disk has mounted -- Sent from a mobile device Tim Fletcher On 5 Aug 2012, at 21:42, Norman Goldstein norm...@telus.net wrote: I am running BackupPC.i6863.2.1-7.fc17 and BackupPC does not load at boot. However, I can always get it started manually with systemctl start backuppc.service I have issued the command systemctl enable backuppc.service so that backuppc should be starting at boot. In the system log, I used to see the message ... Can't create a test hardlink between a file in /var/lib/BackupPC//pc and /var/lib/BackupPC//cpool but I am not even seeing this any more. My /var/lib/BackupPC is a soft-link to an external hard drive, which supports hard links (obviously, since I am able to start BackupPC, manually). I did a test to have /var/lib/BackupPC as a plain directory, and then BackupPC started up properly at boot. It seems that BackupPC has a problem with the external drive, even though it worked fine under Fedora 15. I moved the mount line of the external drive in /etc/fstab to the top of /etc/fstab, but that did not help. -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/ -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Running backuppc on a raspberry pi - possible ?
On 22/07/12 20:27, Poul Nielsen wrote: I am considering using a raspberry pi which is a very low power, low spec linux unit. http://www.raspberrypi.org/ CPU: 700 MHz ARM11 ARM1176JZF-S core Memory (SDRAM)iB 256 MiB USB 2.0 ports:2 (via integrated USB hub) Wanted: - home use - versioned backup from a number of PCs and devices - speed is not essential - using rsync where possible rsync might need more memory than the max 192 Mb available? Any experience ? I have a Pi and there are a few things to remember about the Pi: 1. The ethernet is on the USB bus, so you are sharing the USB bus with network and storage. 2. The SD card storage subsystem is slow I think that as has been discussed on the list many times backuppc is very heavy on the I/O subsystem. I think that if you are looking at this sort of solution you might be better to look at something kirkwood based such as a dreamplug or a QNAP TS-219p which has both gig ethernet and eSATA on a pci express bus not USB. You other option is something more modern like a Mele A1000, which again is more ram and better IO -- Tim Fletcher t...@night-shade.org.uk -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] BackupPC data volume
On 10/07/12 22:44, Bryan Keadle (.net) wrote: It's recommended to mount the BackupPC data volume with noatime: /dev/vg_backuppc_data/backuppc_data /var/lib/BackupPC ext4 rw,*noatime *0 0 However, since my data volume is an iSCSI volume, I needed this entry to have the iSCSI mount properly mount at boot using _netdev: /dev/vg_backuppc_data/backuppc_data /var/lib/BackupPC ext4 _netdev 0 0 so do I still need *noatime* and if so, how/where do I include it on that line? in fstab add ,noatime,nodiratime in the same place as you had _netdev so you end up with: noatime,nodiratime,_netdev -- Tim Fletcher t...@night-shade.org.uk -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Offsite copy
On 27/06/12 00:02, shorvath wrote: Hi Timothy, Thanks for your comments, unfortunately however I think you're missing my point. I very much like the way Backuppc handles backup, dedupe etc. and to use this on the local site to handle the backups of each individual client would be preferred, plus it gives the client an interface to browse backups and do restores. (One of the main reasons I want to use it) However for remote backups (eg offsite) I want to be able to have and rsync style snapshot of the most recent backup. I do not want to have to pull backups from my remote site to each individual server for this purpose because A) I'm already backing them up from the local site backup server and I don't want to back them up twice (more io/cpu and it'll take longer) These servers are production and heavily used with a lot of daily changes. Keep in mind that the backup server is used just for backups so it can spend the whole day getting thrashed for all I care. and to be honest that just seems silly and more than a solution. B) I don't like having multiple entry points . actually no other points are needed. Point A is enough reason not to do it. I already achieve my needs currently by simply using rsync for both local and remote but as mentioned earlier I want a more elegant solution and I like backuppc and how it handles the local backups. If there is no way of exposing the latest backup of each host from the backuppc server either via a fuse module (that works) or other means then my solution to either stick to my current solution. eg rsync but spend some time refining it. or use something like rdiff-backup or rsnapshot. rdiff-backup will allow me to see the most recent snapshot but has it's caveats/pitfalls/complexities. Rsnapshot will do everything I need but maybe not the most efficient on space. Of course there are other... Bandwidth, not a problem, I can limit/shape that several ways. You options that I can see are: 1. Script up a recover of each server to the backup server and then rsync that to the remote host. This means you lose a chunk of space on the backup server but is bandwidth efficient. Something like: BackupPC_tarCreate -h host -n -1 -s share name / |\ tar -C /path/to/localbackups/host -x -f - and then: rsync -avz /path/to/localbackups/ remotehost:/path/to/remotebackups/ This will cost you disk space on the backup server and some disk bandwidth during the recover. 2. If bandwidth truely isn't an issue then you can simply recover the latest backup into an ssh pipe something like this: BackupPC_tarCreate -h host -n -1 -s share name / |\ ssh -c arcfour -C remotehost tar -C /path/to/remotebackups/host -x -f - This will transfer the most recent backup via tar and ssh to the remote host but this will transfer a full backup everytime. This will hammer the cpu on the backup server to compress and encrypt the transfer and also hammer your bandwidth both remote disk and network. -- Tim Fletcher t...@night-shade.org.uk -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Q: not-expected? behaviour for 'BackupPC_tarCreate' ?
On 13 Jun 2012, at 20:26, Tim Chipman tchip...@gmail.com wrote: Thanks for the quick reply. Good to know there is an issue... now I just need to figure it out. Dare I ask, does this sound familiar in any way ? I had another followup which suggested I check 2 things: (a) are files all present when I browse via web interface? Answer - no - I only see files in the latest incremental backup / not 'all files' 'filled'. If I go to day zero backup - I see all files in the original full backup though. (b) if I pull the tarball via web interface - I get exactly the same size (partial, not full) tarball that is returned when I do the command line method. My guess is that the nightly process might not be running properly. Can you see if the is anything in the log files? Assuming that the file system layout on Debian is the same as Ubuntu the log file is in ~backuppc/log/LOG and is rotated daily. -- Sent from a mobile device Tim Fletcher -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Q: not-expected? behaviour for 'BackupPC_tarCreate' ?
On 13/06/12 14:49, Tim Chipman wrote: snip problem description So. Just wanted to check, - is this expected behaviour? - if I want to get 'full backup and latest' offsite, do I just need to take a copy of the 'zero day' tarball offsite, and then each night, generate a tarball of 'diffs for that day' using the n of minus one flag -- and rsync that out -- and I'll be 'ok'. - or is there some other way to get the BackupPC_tarCreate command - to automagically merge diffs with full - so that each night it dumps the 'whole, latest' ? Any comments are certainly greatly appreciated. What if you trigger the tar file build from the web interface? What if you browse the most recent backup via the web interface does it contain the files you expect? -- Tim Fletcher t...@night-shade.org.uk -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] cheap encryption
On Wed, 2012-05-30 at 14:05 -0400, Neal Becker wrote:
Using rsync (via ssh), default is aes encryption, which is expensive.
I wanted to try setting
Host * Ciphers arcfour,blowfish-cbc
I put that in user backuppc .ssh/config, but that didn't seem to work
(according
to the output of ps, not showing the args to ssh).
I did find that putting it in
$Conf{RsyncArgs}
as
'-e ssh -c arcfour,blowfish-cbc'
(note the quotes)
appears to be working (I can see the args in ps, and the backup is running).
I normally use the following to enable arcfour for a particular target:
$Conf{RsyncClientCmd} = '$sshPath -q -x -C -c arcfour -l root $host
$rsyncPath $argList+';
--
Tim Fletcher t...@night-shade.org.uk
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Re: [BackupPC-users] Pool filesystem wierdness
On Tue, 2012-05-29 at 19:27 -0400, Brad Alexander wrote: I know it is bad form to respond to one's own post, but I was digging around in my Munin graphs, and noticed that the filesystem skyrocked from about 70% to 100% late on the 26th or early on the 27th. I have included both the 4-week pool graph from the backup machine and the weekly graph from my munin server. Note that while the pool filesystem is smooth and even at around 300GB, the munin graph climbs sharply...I wasn't able to find anything that might have caused it, though doing df on the pc directory, with all it's hard links, seems to be a Bad Idea. I've been caught out by things like thunderbird indexing 10 gig of mail suddenly and adding a massive chunk to my backups. You can use du on parts of the pool file system as modern versions of du will skip hardlinks after it's counted the first instance of them. -- Tim Fletcher t...@night-shade.org.uk -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Pool filesystem wierdness
On Wed, 2012-05-30 at 10:15 -0400, Brad Alexander wrote: I think I just found it. Ironically enough, it was my workstation. I have an external drive that is normally plugged into my laptop for files I need to transport I had plugged (and left plugged) this drive into my desktop, which was being indexed and attempted to be backed up. Apparently, this filled the filesystem, and the backup never completed, but the files from the partial backup were apparently stored somewhere. Once I umounted the portable hard drive, the backup completed, and the drive space went back down to normal levels. I have since commented out all of /media. Changing the rsync flags to include --one-file-system at the top level will stop this catching you out again, I think it should be a configuration default. -- Tim Fletcher t...@night-shade.org.uk -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Correct rsync parameters for doing incremental transfers of large image-files
On 12/05/12 11:57, Andreas Piening wrote: Hi Les, I allready thought about that and I agree that the handling of large image files is problematic in general. I need to make images for the windows-based virtual machines to get them back running when a disaster happens. If I go away from backuppc for transfering these images, I don't see any benefits (maybe because I just don't know of a image solution that solves my problems better). As I already use backuppc to do backups of the data partitions (all linux based) I don't want my backups to become more complex than necessary. I can live with the amount of harddisk space the compressed images will consume and the IO while merging the files is acceptable for me, too. I can tell the imaging software (partimage) to cut the image into 2 GB volumes, but I doubt that this enables effective pooling, since the system volume I make the image from has temporary files, profiles, databases and so on stored. If every image file has changes (even if there are only a few megs altered), I expect the rsync algorithm to be less effective than comparing large files where it is more likely to have a unchanged long part which is not interrupted by artificial file size boundaries resulting from the 2 GB volume splitting. I hope I made my situation clear. If anyone has experiences in large image file handling which I may benefit from, please let be know! The real question is what are you trying to do, do you want a backup (ie another single copy of a recent version of the image file) or an archive (ie a series of daily or weekly snapshots of the images as they change)? BackupPC is designed to produce archives mainly of small to medium sized files and it stores the full file not changes (aka deltas) and so for large files (multi gigabyte in your case) that change each backup it is much less efficient. To my mind if you already have backuppc backing up your data partitions and the issue is that you want to back up the raw disk images from your virtual machines OS disks the best thing to snapshot them as you have already setup and then simply rsync that snapshot to another host which will just transfer the deltas between the diskimages. This will leave you with backuppc providing an ongoing archive for your data partitions and a simple rsync backup for your root disks that will at worse mean you lose a days changes in case of a total failure. -- Tim Fletchert...@night-shade.org.uk -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Backups very slow after upgrade to squeeze
On 09/05/12 18:03, Les Mikesell wrote: I generally use --one-file-system as an rsync option which will keep it from wandering into /proc and /sys as well as any nfs or iso mounts that are accidentally in the path. Of course if you do that, you have to add explict 'share' entries for each mount point that you want backed up and be careful to add new ones as needed. I would argue that should be a configuration default to stop exactly this sort of thing happening. -- Tim Fletchert...@night-shade.org.uk -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Bare metal restores
Try update-grub there is also a grub config generator but the name escapes me check the list of binaries in the grub package. -- Sent from a mobile device Tim Fletcher On 27 Apr 2012, at 17:16, Brad Alexander stor...@gmail.com wrote: Grub uses them too...But I changed them in grub.cfg and fstab (and /etc/cryptab), and grub was still having issues...I tried both update-grub /dev/sda and dpkg-reconfigure linux-image-3.2.0-2-amd64 (to rebuild the initramfs) and both gave me disk not found. --b On Fri, Apr 27, 2012 at 12:09 PM, Les Mikesell lesmikes...@gmail.com wrote: On Fri, Apr 27, 2012 at 10:53 AM, Till Hofmann hofmannt...@googlemail.com wrote: You can change the UUIDs of your new drive so they match the ones of the old drive. tune2fs -U NEWUUID /dev/HD-PARTITION see man tune2fs . Just make sure you don't mix up the two drives since they will have identical UUIDs (which defeats the purpose of unique IDs). Or, boot with a live CD and edit the places where they are used - probably just /etc/fstab unless grub uses them too. If you are looking for a painless way to back up and restore a whole linux sustem, look at clonezilla-live which will do partition-image copies or ReaR which will will do a traditional tar backup but will also build a boot ISO with a script to reconstruct your filesystem layout and restore it. With a little fiddling you can adjust the destination sizes. I'm not sure how either will mesh with encrypted disks, though. I think ReaR could be tuned to do the parts of a bare metal restore that backuppc needs fairly easily since it is just a bunch of shell scripts. -- Les Mikesell lesmikes...@gmail.com -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/ -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/ -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] backing up machines with more than one IP
On Tue, 2012-04-24 at 19:24 -0700, Joel Uckelman wrote: I have a laptop which is sometimes connected to the network via wireless and sometimes via a wired connection. My router has a built-in DNS server which will not permit the same name to be associated with two different IPs, even if those two IPs are never in use simultaneously. Hence, when BackupPC looks up the IP of my laptop, my laptop might not have that IP at that time, which causes the backup to fail. What I'd like to happen is for the backup to succeed so long as my laptop is reachable via either IP address. How can I do this? Is there some way to give BackupPC a list of IPs to try? If the laptop is running MacOSX, modern linux or Windows with the apple bonjour software installed (it's installed automagically if you install iTunes etc) then try using the host name of laptopname.local obviously replacing laptopname with your laptop's name with any spaces etc taken out. -- Tim Fletcher t...@night-shade.org.uk -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Moving backuppc to a new machine
On Fri, 2012-04-20 at 12:41 -0500, Kameleon wrote: Currently our backuppc server is a Xen pv domU running Ubuntu 10.04. It has served us well over the past two years. However it is time to move it out of the virtual environment and back onto physical hardware. This is only so that it can be located on the far edge of our campus as far away from the physical servers it backs up as possible while still keeping it on the fiber network. So with that we are looking to install a fresh OS on the new hardware. We could stay with Ubuntu and just load 12.04. Most of our other servers are Centos or Fedora. Is there one distribution that is better than the other for backuppc? I will be moving the /var/lib/backuppc pool (it is on it's own lv) to the new machine. Should I expect any problems with this? I have done something similar and migrated from a Ubuntu 10.04 machine to a Fedora 15 (now 16) machine with a block level copy over ssh. The steps where thus: 1. Install fedora or Distro of choice 2. Create Backuppc LV that is the size you want and must be bigger than the current install 3. From the new machine run: ssh -l root -c arcfour oldmachine dd if=/dev/backuppc/volume bs=1M | dd of=/dev/backuppc/newvolume bs=1M 4. Wait 5. Resize the filesystem to the correct size with: resize2fs /dev/backuppc/newvolume 6. setup new backuppc install, iirc you needed to move a few config files about and check pool mount points -- Tim Fletcher t...@night-shade.org.uk -- For Developers, A Lot Can Happen In A Second. Boundary is the first to Know...and Tell You. Monitor Your Applications in Ultra-Fine Resolution. Try it FREE! http://p.sf.net/sfu/Boundary-d2dvs2 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Restoring complete virtualized Windows-Servers / Saving MBR
On 16/04/12 11:50, Andreas Piening wrote: Hi, thank you for your response. At the moment I don't use disk images. Instead I use LVM volumes which are directly connected to my KVM-machines. There is a way like creating images of the LVM volumes with a image tool like partimage. These images would be compressed like 50GB in combined size, no problem to copy it to an external usb drive but much data to transfer over a VDSL50 internet connection. The point is that the customer wants me to backup the whole system (real-server including 2 VMs) over the network to a different location. So when the server gets unusable damaged for instance by beeing flooded with water because of a pipe-break, or the system gets stolen, I should be able to buy new hardware and get back to the state one day before the disaster occurred. I like the efficient way of file based backups backupPC uses, so I ask for experiences on that. But maybe I should search for a partition image tool that supports incremental backups. I only know of Acronis True Image but this is a commercial (and not cheap) way. If you rip the LVM disk images to a file backuppc will just backup the changes as that's how rsync works, however this requires you to the storage to image the disk to a working location. Your other option if you are looking for disaster recovery is something like DRDB and a live snapshot of the VMs to a remote location. This is not backup as the remote image is updated live so make a change and it's replicated to the remote location very quickly, but it is a DR option. -- Tim Fletchert...@night-shade.org.uk -- For Developers, A Lot Can Happen In A Second. Boundary is the first to Know...and Tell You. Monitor Your Applications in Ultra-Fine Resolution. Try it FREE! http://p.sf.net/sfu/Boundary-d2dvs2 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] How to move to a new remove server?
On 08/04/12 00:31, Alexander, Clint Mr ARMY GUEST USA USAMC USA wrote: Hello everyone. I'm joining the list for the first time in attempts to figure out a problem I cannot find a solution for no matter what keywords I have searched for... I have 2 servers at a hosting company; an old one having a long and large pool of BackupPC data on it. The new one is replacing the old one. The hard drive cannot be removed from the old server and added to the new one. It simply needs to be copied from one location to the other via the internal GB network (no backup tapes or CD's or anything else, strictly network copy only). My question is, How? On the old server: dd if=/dev/oldbackuppcfs bs=1M | ssh -c arcfour -l root newserver dd of=/dev/newbackuppcfs This is the best way to move a backuppc filesystem by just copying the raw filesystem about. -- Tim Fletchert...@night-shade.org.uk -- Better than sec? Nothing is better than sec when it comes to monitoring Big Data applications. Try Boundary one-second resolution app monitoring today. Free. http://p.sf.net/sfu/Boundary-dev2dev___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] $hostIP does not seem to be taken into account
On 04/04/12 16:46, Moritz Lennert wrote: Les Mikeselllesmikesellat gmail.com writes: An even better solution would be to arrange for dhcp to give a fixed IP address to that NIC or to dynamically update DNS so you can use dns instead of nmblookup. Yeah, that would be great, but that's not in my hands to decide and the answer is no. I'll have to look into the possibility of creating a local dns server... It might be worth looking into mDNS aka Bonjour aka Avahi depending on your flavor of OS -- Tim Fletchert...@night-shade.org.uk -- Better than sec? Nothing is better than sec when it comes to monitoring Big Data applications. Try Boundary one-second resolution app monitoring today. Free. http://p.sf.net/sfu/Boundary-dev2dev ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Issues with DDNS and DHCP
On Wed, 2012-03-28 at 09:44 -0600, Michael Coffman wrote: Hello, We have been using backuppc with great success until recently. Our company has been mucking around with DHCP and DDNS configuration to support users migrating from a remote login to wireless to hardwired ( I have not control or authority into this environment). The end result is that backuppc for very mobile users seems to be perpetually broken. As their laptop moves around it gets multiple IPs associated with it and the forward-reverse lookups don't always work.We have even had the case of a users laptop getting the IP that had previously belong to another system and the IP had not been flushed from DDNS cleanly - end result was laptop A backed up into the location form laptop B.Has anyone else had to deal with this? Any creative ideas for preventing this previous issue or for dealing with ever changing system names?I believe that the right answer is to fix our DHCP/DNS/DDNS environment, but I dont' think that's going to happen. I am about ready to bail on backuppc for our highly mobile users :(Not sure what I expect from the list, just kind of grasping at straws at this point. Can you use mDNS aka Bonjour aka Avahi depending on the flavor of the implementation? If you can ping machinename.local then you might have a chance to make it work as the machine (normally) is the one that is replying to the mDNS request. -- Tim Fletcher t...@night-shade.org.uk -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Issues with DDNS and DHCP
On 28 Mar 2012, at 17:49, Tyler J. Wagner ty...@tolaris.com wrote: On 2012-03-28 17:26, Tim Fletcher wrote: Can you use mDNS aka Bonjour aka Avahi depending on the flavor of the implementation? If you can ping machinename.local then you might have a chance to make it work as the machine (normally) is the one that is replying to the mDNS request. mDNS works great for us. However, we also use normal DHCP+DNS integration for hosts outside the backup server's LAN (where mDNS doesn't reach). Would an avahi reflector help you reach those remote hosts? -- Sent from a mobile device -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Issues with DDNS and DHCP
On 28 Mar 2012, at 18:01, Tyler J. Wagner ty...@tolaris.com wrote: On 2012-03-28 17:58, Tim Fletcher wrote: mDNS works great for us. However, we also use normal DHCP+DNS integration for hosts outside the backup server's LAN (where mDNS doesn't reach). Would an avahi reflector help you reach those remote hosts? I hadn't even considered that. That might be easier than DHCP+DNS with some of our networks (f%*$ing Mikrotik broken DNS implementation). I've blogged briefly about getting iTunes wireless sync across subnets with avahi acting as a reflector. http://blog.night-shade.org.uk/ -- Sent from a mobile device Tim Fletcher -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Issues with DDNS and DHCP
On 28/03/12 18:34, Michael Coffman wrote: If you can ping machinename.local then you might have a chance to make it work as the machine (normally) is the one that is replying to the mDNS request. Not usually. When they get bollixed up, DNS does not always have an IP for the original name.. I have 26 systems this morning that dig does not return an IP on :( DNS and mDNS are different, mDNS normally relies on the host being searched for responding not a server, there are server ways of doing it to but it's really designed for small/medium LANs so they just work -- Tim Fletchert...@night-shade.org.uk -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] howto cancel incremental backups
On Mon, 2012-03-19 at 09:59 +0100, deconya wrote: Hi Im searching how to prepare a configuration to do only full backups, because I don't need incremental. I don't view any option to cancel this option, it's possible to do this? Reduce the full interval below the incremental interval and fulls will take priority over incremental's. -- Tim Fletcher t...@night-shade.org.uk -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] problems with rsync in backuppc
On Thu, 2012-03-15 at 10:35 +0100, deconya wrote: Hi I was commeting in other thread my problems using rsync for the message Unable to read 4 bytes. I was checking log messages and checking config. And at now my problem is other, appears full backup started for directory /etc/ Running: /usr/bin/ssh -q -x -l root 192.168.0.254 /usr/bin/rsync --server --sender --numeric-ids --perms --owner --group -D --links --hard-links --times --block-size=2048 --recursive --ignore-times . /etc/ Xfer PIDs are now 7416 Got remote protocol 1752392034 Fatal error (bad version): bash: /usr/bin/rsync: No existe el fichero o el directorio Read EOF: Conexión reinicializada por la máquina remota Tried again: got 0 bytes fileListReceive() failed Done: 0 files, 0 bytes Got fatal error during xfer (fileListReceive failed) Backup aborted (fileListReceive failed) -- If someone understand the message will be agree with any suggestion. The remote end doesn't have rsync installed -- Tim Fletcher t...@night-shade.org.uk -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Ssh/Rsync transfer fails intermittently
On Sun, 2012-03-04 at 01:40 +0200, Chris Mavrakis wrote: BackupPC works good on my LAN but has problems backing-up a remote server of mine. I'm using rsync over ssh and have increased max ping to 500 because the remote server is far away. Almost always the transfer is ending after 1h01'or 1h02'. These values in seconds are 3660 and 3720. Maybe they appear in some option...? If I manually login to this remote ssh server, and leave my terminal untouched for 1h26 I get disconnected. Looks like this is the reason BackupPC gets disconnected, too. Is there any way to simulate the execution of commands inside BackupPC's session? Firewall timeout somewhere? Could be a login time limit? -- Tim Fletcher t...@night-shade.org.uk -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Migrating backuppc (yes, that again...:)
On Fri, 2012-02-24 at 14:57 -0500, Brad Alexander wrote: Hey all, I'm running into a problem migrating my /var/lib/backuppc pc directory. I got cpool, log, pool, tmp, and trash migrated via rsync, and I am attempting to migrate the pc directory. It's seriously much easier to copy the raw filesystem, with dd and ssh or netcat. something like: dd if=/dev/filesystem bs=1M | ssh -C farragut dd of=/dev/newfilesystem If you are on the same network it might well be faster to use netcat. -- Tim Fletcher t...@night-shade.org.uk -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] The famous Backup aborted (Unable to read 4 bytes) error
On Tue, 2012-02-21 at 10:02 -0600, Les Mikesell wrote: On Tue, Feb 21, 2012 at 9:55 AM, Micha Kersloot mi...@kovoks.nl wrote: I've added this to the RsyncArgs hopefully it will make things clear. Is there anything that could be timing-related that could cause the machine or network to be unavailable at the scheduled time (machines going to sleep, etc.)? I'd expect that to result in a ping failure instead of starting at all, but it might be worth checking. I was also thinking about dns oddities, have you changed /etc/resolv.conf recently? -- Tim Fletcher t...@night-shade.org.uk -- Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] I've Tried Everything
On Thu, 2012-02-16 at 09:59 -0500, Zach Lanich wrote: After using the # cat /var/lib/backuppc/.ssh/Config StrictHostKeyChecking on, im now getting: Running: /usr/bin/ssh -q -x -n -l root zachs-macbook-pro env LC_ALL=C /usr/bin/tar -c -v -f - -C /Users/zlanich/Sites --totals . full backup started for directory /Users/zlanich/Sites Xfer PIDs are now 29485,29484 Tar exited with error 65280 () status tarExtract: Done: 0 errors, 0 filesExist, 0 sizeExist, 0 sizeExistComp, 0 filesTotal, 0 sizeTotal Got fatal error during xfer (Tar exited with error 65280 () status) Backup aborted (lost network connection during backup) Not saving this as a partial backup since it has fewer files than the prior one (got 0 and 0 files versus 35249) Using Tar. I have a Quick network with Gigabit and Wireless N. I'm dumfounded as to how it could be having network issues midbackup OK so, quick google of Tar exited with error 65280 strongly suggests it's a login problem so I have a little test for you: I'm not clear what version of linux you are using on the backuppc server but this should work on most versions of linux, pull up a terminal window and type the following: sudo -s -H -u backuppc this opens a shell up as the backuppc user, next run this command: /usr/bin/ssh -l root zachs-macbook-pro you should see a new shell open up on your Macbook pro without asking any questions or for any passwords, however I don't think you will for one of 3 reasons: 1. You haven't enabled the root user on the mac, as it's disabled by default. 2. You haven't put the right name in, if you are using bonjour (aka mDNS) then you need to put the name in as zachs-macbook-pro.local the .local is important. 3. You haven't got your ssh keys setup correctly. -- Tim Fletcher t...@night-shade.org.uk -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] I've Tried Everything
On Thu, 2012-02-16 at 13:22 -0500, Zach Lanich wrote: also, because of small dns issues, i just added 192.168.1.2 zachs-macbook-pro to the etc/hosts file and that seems to work fine for resolving my reserved ip So now that you have sorted out this problem what happens if you try the backup again? -- Tim Fletcher t...@night-shade.org.uk -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] which one better ssh+rsync or rsyncd ?
On Wed, 2012-02-15 at 14:15 +0530, Anand Gupta wrote: Hi, In ssh + rsync, won't you still be running ssh service ? Yes you will be almost every modern unix system has some sort of ssh service running normally by default. -- Tim Fletcher t...@night-shade.org.uk -- Virtualization Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Network Backup of backuppc
On Tue, 2012-02-14 at 08:38 +0700, hans...@gmail.com wrote: Either run a second BPC instance over the WAN directly to the target hosts, or send compressed tar snapshots, whichever is more appropriate for your combination of bandwidth, volume of data, backup time window, number of target hosts, degree of duplicated data etc Or option 3 which is to produce local snapshots of the backups and then sync them over the network to have local backup and archive and offsite backup. -- Tim Fletcher t...@night-shade.org.uk -- Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Backuppc is Hammering My Clients
On Wed, 2012-02-01 at 20:24 -0500, Jeffrey J. Kosowsky wrote: Les Mikesell wrote at about 07:40:20 -0600 on Wednesday, February 1, 2012: On Wed, Feb 1, 2012 at 2:30 AM, Kimball Larsen quang...@gmail.com wrote: Do any have local time machine backups that might be included? No, time machine is on external drives, specifically excluded from backups. It might be worth checking that the excludes work and the links that make it show on the desktop aren't being followed. Or directories with very large numbers of files? This I can check on. What is considered very large numbers of files? More than 1024? More than 102400? It would be relative to the amount of RAM available - probably millions. I have no trouble backing up half a million files on a system with just 512MB. Surely, if you have high-powered relatively new PCs you will have many 4+ Gigabytes so it is unlikely that RAM swapping will be the problem. Plus any 3.0 version of rsync uses RAM quite efficiently. I find that the speed of the underlying storage is more of a factor than the ram or cpu limits -- Tim Fletcher t...@night-shade.org.uk -- Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Backuppc is Hammering My Clients
On Tue, 2012-01-31 at 19:47 -0500, Steve wrote:
On Tue, Jan 31, 2012 at 5:25 PM, Kimball Larsen quang...@gmail.com wrote:
Is there anything I can to to have the backups run in a more transparent
manner? We are not all that concerned with speed of backup process -
we're all here all day anyway, so as long as everyone gets a backup at
least once a day we're happy.
check the nice level during the backup (on the client) and see where
rsync is running. If it's the same as the other user processes, maybe
change the $Conf{RsyncClientCmd} to include a nice level? I know that
is suggested here:
http://backuppc.sourceforge.net/faq/ssh.html
If you add the flags -c arcfour to the ssh command line that will use
the arcfour cypher which is less less secure but much cpu intensive, I
use it on CPU bound clients such as my iPhone.
--
Tim Fletcher t...@night-shade.org.uk
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Re: [BackupPC-users] Bizarre connection failures
On Tue, 2012-01-31 at 20:25 +0300, haruspex wrote: Hello. Name resolution, via nmblookup. IP addresses are assigned via DHCP, so subject to change. So you are saying that connection would have established fine, but it tries to establish it with a wrong place?.. An interesting idea. Now, how can the result of the BackupPC name resolution can be checked?.. nmblookup on the server -- Tim Fletcher t...@night-shade.org.uk -- Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] backuppc incremental taking up a lot of bandwidth with no additional changes
On Fri, 2012-01-20 at 16:11 -0800, smallpox wrote: On 1/20/2012 11:49 AM, Jeffrey J. Kosowsky wrote: Second, what makes you think the issue is a bandwidth issue? You just said that it takes 10 minutes. Have you determined that the time is due to bandwidth bottlenecks and not just disk reads and rsync computations? I see mrtg's graph, it's doing about 5mbit for 10 minutes. Could the problem be caused by the granularity of timestamps[1] on Windows filesystems? Try adding --modify-window=1 to the rsync command line [1]ftp://pserver.samba.org/pub/unpacked/rsyncweb/daylight-savings.html -- Tim Fletcher t...@night-shade.org.uk -- Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] trying to improve the speed at which backuppc rsync back up processes a large binary file in incremental backups
On Fri, 2012-01-13 at 14:51 +1100, Adam Goryachev wrote: Definitely, I find that transferring (for example) uncompressed mysqldump files will transfer less bytes than transferring the compressed files. (Obviously because the compressed file will transfer 100%, while the uncompressed will only transfer the changes). http://beeznest.wordpress.com/2005/02/03/rsyncable-gzip/ -- Tim Fletcher t...@night-shade.org.uk -- RSA(R) Conference 2012 Mar 27 - Feb 2 Save $400 by Jan. 27 Register now! http://p.sf.net/sfu/rsa-sfdev2dev2 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Problem with status graphs
On Wed, 2011-12-28 at 10:28 -0300, Carlos Albornoz wrote: Hi, i have a backuppc and backups has working fine, but the graphs on status page dont work? Any idea why dont work? i dont see any log about this. The installation is by default. The graphs are part of the Debian package so only work on Debian and derivatives such as Ubuntu. -- Tim Fletcher t...@night-shade.org.uk -- Write once. Port to many. Get the SDK and tools to simplify cross-platform app development. Create new or port existing apps to sell to consumers worldwide. Explore the Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join http://p.sf.net/sfu/intel-appdev ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Problem with status graphs
On Wed, 2011-12-28 at 10:57 -0300, Carlos Albornoz wrote: Justly is installed on Ubuntu Server 10.04 LTS I need any special package? Just rrdtool I think, the graphs are generated by BackupPC_nightly won't appear straight away. -- Tim Fletcher t...@night-shade.org.uk -- Write once. Port to many. Get the SDK and tools to simplify cross-platform app development. Create new or port existing apps to sell to consumers worldwide. Explore the Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join http://p.sf.net/sfu/intel-appdev ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] URL to restore a particular file from the latest backup
On Mon, 2011-12-19 at 12:13 +0100, Dmitry Katsubo wrote: Dear BackupPC users! I wonder if it is possible to construct URL for file restore, that will always refer the latest backup (in particular by skipping num parameter or giving it a special value)? For example, currently the file invoice.pdf can be restored from backup 204 as follows: It looks like currently num parameter is obligatory... does -1 work as that is short hand for latest in some of the commandline tools -- Tim Fletcher t...@night-shade.org.uk -- Learn Windows Azure Live! Tuesday, Dec 13, 2011 Microsoft is holding a special Learn Windows Azure training event for developers. It will provide a great way to learn Windows Azure and what it provides. You can attend the event by watching it streamed LIVE online. Learn more at http://p.sf.net/sfu/ms-windowsazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] 8.030.000, Too much files to backup ?
On Mon, 2011-12-19 at 12:32 -0600, Les Mikesell wrote: On Mon, Dec 19, 2011 at 12:04 PM, Jean Spirat jean.spi...@squirk.org wrote: I directly mount the nfs share on the backuppc server so no need for rsyncd here this is like local backup with the NFS overhead of course. The whole point of rsync is that it can read the files locally with block checksums to decide what it really has to copy over the network. Doing it over NFS, you've already had to copy if over the network so rsync at the wrong end can read it (and decide that it didn't have to...). I think the real problem is the metadata access, and after a bit of digging I've dug this up, it's comparing iSCSI with NFS. But what might help is tweaking the NFS settings to improve the metadata caching etc. 6.2 Meta-data intensive applications NFS and iSCSI show their greatest differences in their handling of meta-data intensive applications. Overall, we find that iSCSI outperforms NFS for meta-data in- tensive workloads—workloads where the network traffic is dominated by meta-data accesses. The better performance of iSCSI can be attributed to two factors. First, NFS requires clients to update meta- data synchronously to the server. In contrast, iSCSI, when used in conjunction with modern file systems, up- dates meta-data asynchronously. An additional bene- fit of asynchronous meta-data updates is that it enables update aggregation—multiple meta-data updates to the same cached cached block are aggregated into a single network write, yielding significant savings. Such opti- mizations are not possible in NFS v2 or v3 due to their synchronous meta-data update requirement. Second, iSCSI also benefits from aggressive meta- data caching by the file system. Since iSCSI reads are in granularity of disk blocks, the file system reads and caches entire blocks containing meta-data; applications with meta-data locality benefit from such caching. Al- though the NFS client can also cache meta-data, NFS clients need to perform periodic consistency checks with the server to provide weak consistency guarantees across client machines that share the same NFS namespace. Since the concept of sharing does not exist in the SCSI architectural model, the iSCSI protocol also does not pay the overhead of such a consistency protocol. Full details are here: http://lass.cs.umass.edu/papers/pdf/FAST04.pdf -- Tim Fletcher t...@night-shade.org.uk -- Write once. Port to many. Get the SDK and tools to simplify cross-platform app development. Create new or port existing apps to sell to consumers worldwide. Explore the Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join http://p.sf.net/sfu/intel-appdev ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Scary problem with USB3...
On Thu, 2011-12-15 at 16:38 -0500, Zach La Celle wrote: Regarding some other responses, I'll be sure to try eSATA next time instead of USB to see if that tends to be more stable. I could also use internal drives, I suppose...the real reason we're using external disks is so that we can replace them and store them off-site every once in a while. Using a pre-packaged drive was simply more convenient. I use one of these external usb/eSATA - SATA docks, they are about £20 in the UK and let you hot swap a SATA drive a bit like a tape. http://www.amazon.co.uk/Startech-Esata-Sata-Dock-2-5-3-5/dp/B0026B8VR0/ -- Tim Fletcher t...@night-shade.org.uk -- Learn Windows Azure Live! Tuesday, Dec 13, 2011 Microsoft is holding a special Learn Windows Azure training event for developers. It will provide a great way to learn Windows Azure and what it provides. You can attend the event by watching it streamed LIVE online. Learn more at http://p.sf.net/sfu/ms-windowsazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] 8.030.000, Too much files to backup ?
On Fri, 2011-12-16 at 10:42 +0100, Jean Spirat wrote: hi, I use backuppc to save a webserver. The issue is that the application used on it is making thousand of little files used for a game to create maps and various things. The issue is that we are now at 100GB of data and 8.030.000 files so the backups takes 48H and more (to help the files are on NFS share). I think i come to the point where file backup is at it's limit. ps: backuppc server and the web server are debian linux, i use rysnc method and backup the NFS that i mount localy on the backuppc server. I have a backup with a similar number of files in and I have found that tar is much better than rsync. Your issues are: 1. rsync will take a very long time and a very large amount of memory to build the file tree, especially over NFS 2. NFS isn't really a high performance filesystem, you are better off working locally on the server being backed up via ssh. I would suggest you try the following: Move to tar over ssh on the remote webserver, the first full backup might well take a long time but the following ones should be faster. tar+ssh backups however use more bandwidth but as you are already using nfs I am assuming you are on a local network of some sort. -- Tim Fletcher t...@night-shade.org.uk -- Learn Windows Azure Live! Tuesday, Dec 13, 2011 Microsoft is holding a special Learn Windows Azure training event for developers. It will provide a great way to learn Windows Azure and what it provides. You can attend the event by watching it streamed LIVE online. Learn more at http://p.sf.net/sfu/ms-windowsazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] 8.030.000, Too much files to backup ?
On Fri, 2011-12-16 at 11:49 +0100, Jean Spirat wrote: I would suggest you try the following: tar+ssh backups however use more bandwidth but as you are already using nfs I am assuming you are on a local network of some sort. for my understanding rsync had allways seems to be the most efficient of the two but i never challenged this fact ;p i will have a look at tar and see if i can work with it . http://www.mail-archive.com/backuppc-users@lists.sourceforge.net/msg15217.html Is the pros and cons of tar and rsync in far more detail than I can offer. -- Tim Fletcher t...@night-shade.org.uk -- Learn Windows Azure Live! Tuesday, Dec 13, 2011 Microsoft is holding a special Learn Windows Azure training event for developers. It will provide a great way to learn Windows Azure and what it provides. You can attend the event by watching it streamed LIVE online. Learn more at http://p.sf.net/sfu/ms-windowsazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] 8.030.000, Too much files to backup ?
On Fri, 2011-12-16 at 07:33 -0600, Les Mikesell wrote: On Fri, Dec 16, 2011 at 4:49 AM, Jean Spirat jean.spi...@squirk.org wrote: for my understanding rsync had allways seems to be the most efficient of the two but i never challenged this fact ;p Rsync working natively is very efficient, but think about what it has to do in your case. It will have to read the entire file across nfs just so rsync can compere contents and decide not to copy the content that already exists in your backup. i will have a look at tar and see if i can work with it . I'd try rsync over ssh first, at least if most of the files do not change between runs. If you don't have enough ram to hold the directory listing or if there are changes to a large number of files per run, tar might be faster. The real issue with rsync is the memory usage for the 8 million entries in the file list. This is because the first thing that happens is rsync walks the tree comparing with already backuped up files to see if the date stamp has changed. This puts memory and disk load on both the backup server and the backed up client. The approach that tar uses is just to walk the directory tree and transfer everything newer than a timestamp that backuppc passes to it. This costs some extra network bandwidth but massively reduces the disk and memory bandwidth needed on both the backuppc client and server. The server that I am backing up with ~7 million files takes on the order of 6000 minutes to backup with rsync, the bulk of that time is taken up by rsync building the tree of files to transfer. The same server takes about 2500 minutes with tar because of the simpler way of finding files. Overall rsync makes better backups because it finds moved and deleted files and is far far more efficient with network bandwidth, but if you understand the draw backs and need the filesystem efficiency of tar then it is still an excellent backup tool. -- Tim Fletcher t...@night-shade.org.uk -- Learn Windows Azure Live! Tuesday, Dec 13, 2011 Microsoft is holding a special Learn Windows Azure training event for developers. It will provide a great way to learn Windows Azure and what it provides. You can attend the event by watching it streamed LIVE online. Learn more at http://p.sf.net/sfu/ms-windowsazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Disk Full?
On Mon, 2011-12-12 at 08:25 +0100, Christian Völker wrote: Hi, I got an email from my backuppc host this night: -- Yesterday 160 hosts were skipped because the file system containing /var/lib/BackupPC/ was too full. The threshold in the configuration file is 97%, while yesterday the file system was up to 96% full. -- So I'm wondering about two facts there: 1. I don't have 160 hosts- where is this number coming from? 2. is 97% lower than 96%? The filesystem may have become less full after the backups failed to start but before the email was sent as the nightly tidying run will have taken place. ie in time order: backups (failed) - nightly tidying run (removes some old files) - sending email -- Tim Fletcher t...@night-shade.org.uk -- Learn Windows Azure Live! Tuesday, Dec 13, 2011 Microsoft is holding a special Learn Windows Azure training event for developers. It will provide a great way to learn Windows Azure and what it provides. You can attend the event by watching it streamed LIVE online. Learn more at http://p.sf.net/sfu/ms-windowsazure ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Backing up from BackupPC to BackupPC
On Fri, 2011-12-09 at 13:15 +, member horvath wrote: Hi, I have a requirement where I need to deploy a backuppc installation on a site that will connect to several servers and backup their required files. I need to keep a daily incremental of 30 daily and 6 monthly backups. This part is ok and I have no problem setting up (Except getting the schedule right - I find this hard to do with backuppc) As an offsite backup I'd like my onsite backuppc unit to inform my offsite backuppc unit that the backup is complete and then the remote needs to pull only the most current backup from the onsite. So basically a 30 day/6 month onsite backup with the most current backup stored offsite Can this be done? I'd look into the archive functionally of backuppc and push the current backup as a tarball to the offsite host and not worry about running remote backuppc. As you say you are only looking to hold the current backup offsite you can simply transfer the current archive with scp/rsync/tar over ssh to the offsite host. -- Tim Fletcher t...@night-shade.org.uk -- Cloud Services Checklist: Pricing and Packaging Optimization This white paper is intended to serve as a reference, checklist and point of discussion for anyone considering optimizing the pricing and packaging model of a cloud services business. Read Now! http://www.accelacomm.com/jaw/sfnl/114/51491232/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] weird smörgåsbord of errors
On Fri, 2011-12-09 at 21:50 +0100, Michel wrote: Why would your restore to /raid/home/user be affecting things under /var? In any case, I'd recommend using rsync over ssh to the server for the backups instead of backing up the nfs-mounted view. That is a very good question indeed.. The folder I was trying to restore was a harmless one in /raid that should have nothing to do with the rest of the system as far as I know... It's just the place I store the /home of a completely different system. Could it be that the io of the backuppc process is triggering a hardware or software failure in the OS? Is there anything in dmesg or /var/log ? -- Tim Fletcher t...@night-shade.org.uk -- Cloud Services Checklist: Pricing and Packaging Optimization This white paper is intended to serve as a reference, checklist and point of discussion for anyone considering optimizing the pricing and packaging model of a cloud services business. Read Now! http://www.accelacomm.com/jaw/sfnl/114/51491232/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] undefined symbol: Perl_Gthr_key_ptr
On Tue, 2011-12-06 at 07:56 -0600, Richard Shaw wrote: On Tue, Dec 6, 2011 at 6:05 AM, Neal Becker ndbeck...@gmail.com wrote: Thanks. I got it fixed. A mix of f15 and f16 perl packages was to blame. Good to hear! Fix it up with a good ole' yum distro-sync? package-cleanup --orphans is also a good tool for this -- Tim Fletcher t...@night-shade.org.uk -- Cloud Services Checklist: Pricing and Packaging Optimization This white paper is intended to serve as a reference, checklist and point of discussion for anyone considering optimizing the pricing and packaging model of a cloud services business. Read Now! http://www.accelacomm.com/jaw/sfnl/114/51491232/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] starting backup-PC
On Thu, 2011-12-01 at 12:21 +, Greer, Jacob - District Tech wrote: Thanks for the response I am using Ubuntu server instead. I read online that backupPC is an install option. apt-get install backuppc covers most of it :) -- Tim Fletcher t...@night-shade.org.uk -- All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-novd2d ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] help with netbios error
On Fri, 2011-11-18 at 06:51 -0800, AIM Systems wrote: I don't get it?! What am I missing?! A quick google implies it might be related to 2 connections to the network either 2xethernet or ethernet+wireless. http://www.backupcentral.com/phpBB2/two-way-mirrors-of-external-mailing-lists-3/backuppc-21/dum-failed-error-has-mismatching-netbios-name-workgroup-102938/ -- Tim Fletcher t...@night-shade.org.uk -- All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-novd2d ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] help with netbios error
On Fri, 2011-11-18 at 11:09 -0800, AIM Systems wrote: Thanks for your reply Tim. I, too, have read this when 'Google'ing the error and have so far been ruled it out. Physically, there are no ethernet jacks in the walls of the office, hence the WAPs How does one determine if a device has multiple IPs? /bin/nmblookup only returns the one address. What does ipconfig /all on the windows machine say? -- Tim Fletcher t...@night-shade.org.uk -- All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-novd2d ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Child exited prematurely
On Tue, 2011-11-15 at 17:36 +0100, Christian Völker wrote: Yohoo! On 15/11/2011 17:19, Les Mikesell wrote: 2011/11/15 Christian Völker chrisc...@knebb.de: Can't open /var/lib/BackupPC/pc/netinstall/934/f%2fsrv%2fftp for MD4 check (err=-3, .) .: md4 doesn't match: will retry in phase 1; file removed Parent read EOF from child: fatal error! Done: 0 files, 0 bytes Got fatal error during xfer (Child exited prematurely) Backup aborted (Child exited prematurely) Any other idea? Disk / RAID faults? check dmesg -- Tim Fletcher t...@night-shade.org.uk -- RSA(R) Conference 2012 Save $700 by Nov 18 Register now http://p.sf.net/sfu/rsa-sfdev2dev1 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] backuppc and excluding ip ranges?
On Thu, 2011-11-10 at 15:56 -0500, SSzretter wrote: It would be great if a flag could be set to tell backuppc to only backup a machine if it is in a specific subnet range (192.168.2.x) and to skip it if not. You can write a ping script that will test the ip the client has, or you can tweak the latency test down a bit as I am guessing the T1 connection has higher latency. -- Tim Fletcher t...@night-shade.org.uk -- RSA(R) Conference 2012 Save $700 by Nov 18 Register now http://p.sf.net/sfu/rsa-sfdev2dev1 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Tar exited with error 65280 () status
On Wed, 2011-11-02 at 10:27 -0500, Les Mikesell wrote: On Wed, Nov 2, 2011 at 9:55 AM, Joe Konecny jkone...@rmtohio.com wrote: It asks for a password then appears to start dumping to the screen. Should that be asking for a password? No, if you are running as the backuppc user and the ssh keys are configured correctly it should not be asking for a password. try sudo -H -s -u backuppc which should give you a shell as the backuppc user, then try the command again. I think it might be permissions on the ssh key files but ssh -v might help too. -- Tim Fletcher t...@night-shade.org.uk -- RSA#174; Conference 2012 Save $700 by Nov 18 Register now#33; http://p.sf.net/sfu/rsa-sfdev2dev1 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Tar exited with error 65280 () status
On Wed, 2011-11-02 at 11:57 -0400, Joe Konecny wrote: debug1: Remote: Ignored authorized keys: bad ownership or modes for directory /root Could this be the issue? -- Tim Fletcher t...@night-shade.org.uk -- RSA#174; Conference 2012 Save $700 by Nov 18 Register now#33; http://p.sf.net/sfu/rsa-sfdev2dev1 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] restore from a read only file system possible?
On Tue, 2011-10-11 at 19:57 +, John Rouillard wrote: On Tue, Oct 11, 2011 at 01:10:30PM +0200, Frank Wolkwitz wrote: After raid controller failure the pool file system is running in read only mode. Making a file system check would take several days (ext3 fs, 13TB of 16 TB used) and success is not garanteed. So the question is: Is it possible to run backuppc in a read only environment, not to make backups, but to restore files? Well maybe but why would you. If the filesystem is inconsistent, how do you know that the file you are restoring points to the proper data? That's where checksums come in Have you tried running BackupPC_tarCreate without the daemon running to see if you can extract data? I'm pretty sure you can use BackupPC_tarCreate / BackupPC_zipCreate and BackupPC_zcat without the services running. -- Tim Fletcher t...@night-shade.org.uk -- All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense. http://p.sf.net/sfu/splunk-d2d-oct ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Bad md5sums due to zero size (uncompressed) cpool files - WEIRD BUG
On Thu, 2011-10-06 at 17:54 +0200, Holger Parplies wrote: To be honest, I would *hope* that only you had these issues and everyone else's backups are fine, i.e. that your hardware and not the BackupPC software was the trigger (though it would probably need some sort of software bug to come up with the exact symptoms). So far my scan of one of my systems has finished and has given: 758080 files in 4096 directories checked, 0 had wrong digests, of these 0 zero-length. Another system is currently up to a/f/d of a full scan and has found the following errors tim@carbon:~$ grep -v ok /tmp/pool-check.txt ; tail -n 1 /tmp/pool-check.txt [335403] 1ef2238fe0d1e5ffb7abe1696a32ae91 ( 384) != 5c6bec8866797c63a7fbdc92f8678c1f [397563] 2429be9ee43ac9c7d0cb8f0f4f759cd8 ( 364) != 12351030008ccf626abd83090c0e5efa [761269] 452017085ec5f0a21b272dac9cbaf51c ( 2801) != b4f9ab837e47574f145289faddc38ca2 [1260873] 72ed33567c8fbda29d63ade20f13778d ( 364) != 8521efc754784ac13db47545edb22fcd [1380912] 7d264e0aedb7d6693946594b583643d6 ( 270) != c15a891ef0ab8d4842196fcbaf3e6b9f [1534431] 8a7e659dd6d0a4f45464cc3f55372323 (58) != de0ac1b424d9a022b4f3415896817ec4 [1598997] 90097fdb369c0152e737c7b88c0f6ff6 ( 282) != 16d682e1c10bee80844e6966eaabbbcf [1873732] a9d171972fca12bf03c082b7fba542d1 ( 364) != ee42dab9abc3486325a674779beaabcc [1940164] afd73ec3463ea92cfd509ead19f938f5 ( 5102) ok Once the scan has finished I'll do a bit more digging about when the files where created and from which host I'm backing up. The hardware in both cases is the same, a HP Microserver with a a raid5 disk set. The one without errors is running Fedora 15 32bit but with a pool that has been moved from Ubuntu 10.04 32bit a few months ago, the pool dates from the 20/09/2010. The one with errors has always been on current Ubuntu 32bit, the pool dates back to 08/01/2010. -- Tim Fletcher t...@night-shade.org.uk -- All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2dcopy2 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Bad md5sums due to zero size (uncompressed) cpool files - WEIRD BUG
On Fri, 2011-10-07 at 10:21 +0100, Tim Fletcher wrote: Another system is currently up to a/f/d of a full scan and has found the following errors The final answer off the server with the larger and older install of backuppc is: 2836949 files in 4096 directories checked, 13 had wrong digests, of these 0 zero-length. What sort of information would be helpful for follow up? -- Tim Fletcher t...@night-shade.org.uk -- All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2dcopy2 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Bad md5sums due to zero size (uncompressed) cpool files - WEIRD BUG
On Wed, 2011-10-05 at 21:35 -0400, Jeffrey J. Kosowsky wrote: Finally, remember it's possible that many people are having this problem but just don't know it, since the only way one would know would be if one actually computed the partial file md5sums of all the pool files and/or restored tested ones backups. Since the error affects only 71 out of 1.1 million files it's possible that no one has ever noticed... It would be interesting if other people would run a test on their pools to see if they have similar such issues (remember I only tested my pool in response to the recent thread of the guy who was having issues with his pool)... Do you have a script or series of commands to do this check with? I have access to a couple of backuppc installs of various ages and sizes that I can test. -- Tim Fletcher t...@night-shade.org.uk -- All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense. http://p.sf.net/sfu/splunk-d2dcopy1 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Append share to RsyncShareName?
On Mon, 2011-10-03 at 18:44 +0200, Holger Parplies wrote:
yes.
push @{$Conf{RsyncShareName}}, '/home';
(you could list any number of shares, separated by commas, or you could add
each share in an individual push command).
Note that this requires at least BackupPC 3.2.0, and that this won't work well
with the CGI editor, so you'd have to edit your host config file with a text
editor.
Very useful to know, thanks
--
Tim Fletcher t...@night-shade.org.uk
--
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definitive record of customers, application performance, security
threats, fraudulent activity and more. Splunk takes this data and makes
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Re: [BackupPC-users] BackupPC on NTFS, any expected problems?
On Thu, 2011-09-29 at 23:31 -0400, Long V wrote: Hi, I have a RAID 1 partition formatted as NTFS. The server is linux so Ill be accessing that partition using ntfs-3g. Is there any expected problems to use BackupPC on top of a NTFS partition? I know BackupPC heavily uses hard-link so is that fully supported by NTFS (ntfs-3g)? ntfs-3g performance is average at best -- Tim Fletcher t...@night-shade.org.uk -- All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2dcopy2 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] Backup of dual-boot laptop
On Wed, 2011-09-28 at 17:30 +0200, Dan Johansson wrote: I have a laptop that is dual-boot (Linux and WinXP) and gets the same IP from DHCP in both OS's. Today I have two entries in BackupPC for this laptop (hostname_lnx and hostname_win) with different backup methods for each (rsync over ssh for Linux and SMB for WinXP). This works good for me with one small exception - I always gets a Backup-Failed message for one of them each night. Does someone have a suggestion on how to solve this in a more beautiful way? Write a ping script that finds out is the laptop is in Windows or Linux so one of the other of the backup hosts won't ping. You can also make use of the fact that most desktop distros have avahi installed and use short hostname.local as a target host name. -- Tim Fletcher t...@night-shade.org.uk -- All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense. http://p.sf.net/sfu/splunk-d2dcopy1 ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] How does BackupPC rsync over ssh work?
On Mon, 2011-09-26 at 15:37 +0200, Maarten te Paske wrote:
OK, I will read a bit more into the rsync documentation. I thought this
way I wouldn't be able to limit the privileges through sudo, but maybe
I'm wrong.
I use the following line in /etc/sudoers to allow the user backups to
call rsync as root. Note this line does break rsync based recovery, but
this is part of the plan as it prevents the backuppc server writing to
the client being backed up.
backups ALL=NOPASSWD: /usr/bin/rsync --server --sender *
You will also need to remove the requiretty option from /etc/sudoers
too.
The $Conf{RsyncClientCmd} command becomes:
$sshPath -q -x -l backups $host sudo $rsyncPath $argList+
--
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--
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definitive record of customers, application performance, security
threats, fraudulent activity and more. Splunk takes this data and makes
sense of it. Business sense. IT sense. Common sense.
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Re: [BackupPC-users] xxShareName = /cygwin ??
On Fri, 2011-09-09 at 01:54 +0700, hans...@gmail.com wrote: I haven't been able to get this to work so far. I've taken the --one-filesystem out of my rsync args, tested with no excludes at all, no dice. Have you tried using tar instead of rsync as a backup method? -- Tim Fletcher t...@night-shade.org.uk -- Doing More with Less: The Next Generation Virtual Desktop What are the key obstacles that have prevented many mid-market businesses from deploying virtual desktops? How do next-generation virtual desktops provide companies an easier-to-deploy, easier-to-manage and more affordable virtual desktop model.http://www.accelacomm.com/jaw/sfnl/114/51426474/ ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] cannot get backuppc to wol a client
On Sat, 2011-09-03 at 17:14 -0500, Robert E. Wooden wrote: Tim, what OS is your BackupPC running on? Ubuntu 11.04 32bit -- Tim Fletcher t...@night-shade.org.uk -- Special Offer -- Download ArcSight Logger for FREE! Finally, a world-class log management solution at an even better price-free! And you'll get a free Love Thy Logs t-shirt when you download Logger. Secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsisghtdev2dev ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] cannot get backuppc to wol a client
On Sat, 2011-09-03 at 22:33 +0100, Tim Fletcher wrote: And change the pingcmd for the hosts to the following line: I should also say that this relies on the fact the backuppc once a host has settled only pings a host just before trying to back it up. Also I should have mentioned that you need to crank up the pingtimeout setting on backuppc if you are using this wake up method. -- Tim Fletcher t...@night-shade.org.uk -- Special Offer -- Download ArcSight Logger for FREE! Finally, a world-class log management solution at an even better price-free! And you'll get a free Love Thy Logs t-shirt when you download Logger. Secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsisghtdev2dev ___ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List:https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki:http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
Re: [BackupPC-users] cannot get backuppc to wol a client
On Sat, 2011-09-03 at 16:09 -0500, Robert E. Wooden wrote:
I have worked on this issue in the past for myself. Never really got it
completed. However, your email has me interested again and this is good
weekend to work on this.
I've had it working for a year or so with the following setup:
In the file /etc/sudoers add the following lines:
Cmnd_Alias WOL = /usr/bin/wakeonlan,/usr/sbin/etherwake
backuppc ALL=(root) NOPASSWD:WOL
And change the pingcmd for the hosts to the following line:
$Conf{PingCmd} = '/usr/local/bin/wakeup.sh $host';
I've also attached a slightly edited version of the script I use to fire
off the WoL packets.
--
Tim Fletcher t...@night-shade.org.uk
wakeup.sh
Description: application/shellscript
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Re: [BackupPC-users] cannot get backuppc to wol a client
On Fri, 2011-09-02 at 00:34 -0700, egrimisu wrote:
Hi guys,
backuppc won't wol client pc
NmbLookupFindHostCmd = /etc/backuppc/wakeup.sh 00:1a:4d:8c:0a:78 1 $host
wakeup.sh has 777 rights and contains:
#!/bin/bash
wakeonlan $1
sleep ${2}m
/usr/bin/nmblookup $3
using the dos command wolcmd.exe 001a4d8c0a78 192.168.2.74 255.255.255.0
wakes the pc up.
Sending the WoL packets need root (admin in the windows world)
privileges so you will need to make setup sudo to allow the backuppc
user to run wakeonlan as root or you need to setuid the wakeonlan
binary. (bad idea)
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--
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