Re: [BackupPC-users] How to restore an 8GB archive file?
-Original Message- From: Dale King [mailto:d...@daleking.org] Sent: Friday, April 15, 2011 1:17 AM To: backuppc-users@lists.sourceforge.net Subject: Re: [BackupPC-users] How to restore an 8GB archive file? OTOH, ext3 is said to have a max file size limit from about 16GB up to some 2TB, depending on block size. So why I would have a problem with an 8GB file is anybody's guess. I don't think you had a problem with the filesystem. More likely it was a ulimit issue of the user account you were using to restore the file. Check the output of 'ulimit -a' within the user account to see if that was the case. I checked that. It said unlimited. We generally don't limit things like that here (unless that is a default setting in CentOS?), as files and folders on the machines in question can grow to gigabytes, depending on how complicated a particular molecular modeling session is. -- /Sorin -- Benefiting from Server Virtualization: Beyond Initial Workload Consolidation -- Increasing the use of server virtualization is a top priority.Virtualization can reduce costs, simplify management, and improve application availability and disaster protection. Learn more about boosting the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev ___ 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 restore an 8GB archive file?
-Original Message- From: Holger Parplies [mailto:wb...@parplies.de] Sent: Friday, April 15, 2011 6:50 AM To: sorin.s...@orgfarm.uu.se; General list for user discussion, questions and support Subject: Re: [BackupPC-users] How to restore an 8GB archive file? -Original Message- From: Jeffrey J. Kosowsky [mailto:@.org] please don't do that. At least now I know why I'm getting spam to my backuppc-list-only email address. To: General list for user discussion, questions and support Much better, though this address is probably less sensitive ... Cc: sorin.s...@orgfarm.uu.se Your problem :-). I don't follow, don't do what?? OTOH, ext3 is said to have a max file size limit from about 16GB up to some 2TB, depending on block size. Several years ago, I worried about file sizes, too. It turned out to just work even back then. I haven't encountered such limits in years. Then again, on relevant file systems I don't tend to use ext3, because it *still* seems to have occasional problems with online resizing (admittedly on a Debian etch installation; might have gone away since). Huge files seem to go hand in hand with online resizing requirements. I was limited to ext3 on the old backup server, as well as the hosts. The hosts were installed with CentOS 5.0 a few years back, at which time only ext3 was available as the most proven and stable file system. We will most probably go with ext4 when CentOS 6 is released, and we do a full fresh install of everything. Sorin Srbu wrote on 2011-04-14 08:37:54 +0200 [Re: [BackupPC-users] How to restore an 8GB archive file?]: [...] From: Les Mikesell Sent: Wednesday, April 13, 2011 5:10 PM Why don't you just restore it back to his machine, using the typical option 1? If BackupPC archived it in the first place, it can restore it the same way. I've never had that option to work. This time I got a weird unable to read 4 bytes-error when trying a direct restore. Usually that means the restore is configured to use ssh in some way, and the ssh keys aren't set up correctly. Is there something different about the way your restore command works? I do use passwordless login for the backups to work. The backup works fine using ssh this way; I don't get prompted for a password. Not sure though, how you mean different for restoring. Could you elaborate a bit? You've got it the wrong way around. *You* need to elaborate. What are your RsyncClientCmd and RsyncClientRestoreCmd (it was rsync, wasn't it?)? If we knew those, we could see what might be misconfigured or causing problems (or what is even *involved* in backing up/restoring in your setup). Yes, rsync, I use the default settings. They seem to have worked fine, until now at least. RsyncClientCmd: $sshPath -q -x -l root $host $rsyncPath $argList+ RsyncClientRestoreCmd: $sshPath -q -x -l root $host $rsyncPath $argList+ So let's get back to that topic, if you're still interested. I am. Would be nice to understand why things went kinda' pear-shaped at first. Sorry if I spaced out... I find linux, and BPC, somewhat frustrating sometime. 8-/ -- /Sorin -- Benefiting from Server Virtualization: Beyond Initial Workload Consolidation -- Increasing the use of server virtualization is a top priority.Virtualization can reduce costs, simplify management, and improve application availability and disaster protection. Learn more about boosting the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev ___ 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 restore an 8GB archive file?
-Original Message- From: Jeffrey J. Kosowsky [mailto:backu...@kosowsky.org] Sent: Wednesday, April 13, 2011 3:33 PM To: General list for user discussion, questions and support Cc: sorin.s...@orgfarm.uu.se Subject: Re: [BackupPC-users] How to restore an 8GB archive file? That limit is long gone: root@frances:/tmp# uname -a Linux frances 2.6.32-30-generic #59-Ubuntu SMP Tue Mar 1 21:30:21 UTC 2011 i686 GNU/Linux I believe the OP was talking about 32bit Windows. Though even on WinXP or Win2000 I don't believe that is a limitation (unless you use FAT32 rather than NTFS). Perhaps the OP was talking about FAT32... No, it was actually linux. However it was my misunderstanding, as I thought it was a 32b kernel-problem, when in fact it's a file system limitation according to Google. The problem first came up on a 32b linux machine running ext3 file system. Moving the 8GB archive to a machine with ext4, solved the problem. OTOH, ext3 is said to have a max file size limit from about 16GB up to some 2TB, depending on block size. So why I would have a problem with an 8GB file is anybody's guess. -- /Sorin -- Benefiting from Server Virtualization: Beyond Initial Workload Consolidation -- Increasing the use of server virtualization is a top priority.Virtualization can reduce costs, simplify management, and improve application availability and disaster protection. Learn more about boosting the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev ___ 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 restore an 8GB archive file?
-Original Message- From: Les Mikesell [mailto:lesmikes...@gmail.com] Sent: Wednesday, April 13, 2011 5:10 PM To: backuppc-users@lists.sourceforge.net Subject: Re: [BackupPC-users] How to restore an 8GB archive file? Why don't you just restore it back to his machine, using the typical option 1? If BackupPC archived it in the first place, it can restore it the same way. I've never had that option to work. This time I got a weird unable to read 4 bytes-error when trying a direct restore. Usually that means the restore is configured to use ssh in some way, and the ssh keys aren't set up correctly. Is there something different about the way your restore command works? I do use passwordless login for the backups to work. The backup works fine using ssh this way; I don't get prompted for a password. Not sure though, how you mean different for restoring. Could you elaborate a bit? I haven't really looked into the first restore option, ie tweaked in any way, as #2 and #3 have worked fine so far, until now. -- /Sorin -- Benefiting from Server Virtualization: Beyond Initial Workload Consolidation -- Increasing the use of server virtualization is a top priority.Virtualization can reduce costs, simplify management, and improve application availability and disaster protection. Learn more about boosting the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev ___ 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 restore an 8GB archive file?
-Original Message- From: Holger Parplies [mailto:wb...@parplies.de] Sent: Thursday, April 14, 2011 12:38 AM To: sorin.s...@orgfarm.uu.se; General list for user discussion, questions and support Subject: Re: [BackupPC-users] How to restore an 8GB archive file? - Which user on the target host do you need to connect as? Perhaps root? When the backuppc user connects to a host to do a backup, it uses a passwordless login with ssh keys. The password entered the very first time I transferred the key, was root's. So does this mean it's user backuppc that does the actual restore or user root? If the first, then I can understand that the user backuppc can't write to anywhere, right? Personally, I wouldn't use the web interface for downloading large amounts of data anyway. On the command line, your imagination is the limit to what you can do. If it's not available as a filter yet, the BPC-author would likely need to implement the functionality. A generic tar2zipsplit filter would be more useful to the world than a specific implementation inside BackupPC, don't you think? Dunno', I only ever use the web gui, as it's so easy, practical and straight-forward to use. Actually it's the main reason why I stick with BPC; IMHO a backup-system is as good as the gui is and how admin-friendly it is. Personally I don't want to jump through hoops when I need to restore stuff quickly - a few clicks in the gui and I'm done. As I said, it's my personal opinions and maybe not really on-topic. 8-) -- /Sorin -- Benefiting from Server Virtualization: Beyond Initial Workload Consolidation -- Increasing the use of server virtualization is a top priority.Virtualization can reduce costs, simplify management, and improve application availability and disaster protection. Learn more about boosting the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev ___ 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 restore an 8GB archive file?
On Thu, Apr 14, 2011 at 08:33:10AM +0200, Sorin Srbu wrote: -Original Message- OTOH, ext3 is said to have a max file size limit from about 16GB up to some 2TB, depending on block size. So why I would have a problem with an 8GB file is anybody's guess. I don't think you had a problem with the filesystem. More likely it was a ulimit issue of the user account you were using to restore the file. Check the output of 'ulimit -a' within the user account to see if that was the case. -- Benefiting from Server Virtualization: Beyond Initial Workload Consolidation -- Increasing the use of server virtualization is a top priority.Virtualization can reduce costs, simplify management, and improve application availability and disaster protection. Learn more about boosting the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev ___ 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 restore an 8GB archive file?
Hi, Sorin Srbu wrote on 2011-04-14 08:33:10 +0200 [Re: [BackupPC-users] How to restore an 8GB archive file?]: -Original Message- From: Jeffrey J. Kosowsky [mailto:@.org] please don't do that. At least now I know why I'm getting spam to my backuppc-list-only email address. To: General list for user discussion, questions and support Much better, though this address is probably less sensitive ... Cc: sorin.s...@orgfarm.uu.se Your problem :-). [...] Moving the 8GB archive to a machine with ext4, solved the problem. I agree with the other opinions. Amongst other things, you changed the file system. I doubt this was the relevant change. OTOH, ext3 is said to have a max file size limit from about 16GB up to some 2TB, depending on block size. Several years ago, I worried about file sizes, too. It turned out to just work even back then. I haven't encountered such limits in years. Then again, on relevant file systems I don't tend to use ext3, because it *still* seems to have occasional problems with online resizing (admittedly on a Debian etch installation; might have gone away since). Huge files seem to go hand in hand with online resizing requirements. Sorin Srbu wrote on 2011-04-14 08:37:54 +0200 [Re: [BackupPC-users] How to restore an 8GB archive file?]: [...] From: Les Mikesell Sent: Wednesday, April 13, 2011 5:10 PM Why don't you just restore it back to his machine, using the typical option 1? If BackupPC archived it in the first place, it can restore it the same way. I've never had that option to work. This time I got a weird unable to read 4 bytes-error when trying a direct restore. Usually that means the restore is configured to use ssh in some way, and the ssh keys aren't set up correctly. Is there something different about the way your restore command works? I do use passwordless login for the backups to work. The backup works fine using ssh this way; I don't get prompted for a password. Not sure though, how you mean different for restoring. Could you elaborate a bit? You've got it the wrong way around. *You* need to elaborate. What are your RsyncClientCmd and RsyncClientRestoreCmd (it was rsync, wasn't it?)? If we knew those, we could see what might be misconfigured or causing problems (or what is even *involved* in backing up/restoring in your setup). I haven't really looked into the first restore option, ie tweaked in any way, as #2 and #3 have worked fine so far, until now. Well, then it may be set incorrectly. Or not. Depending on what you did to the backup command. Sorin Srbu wrote on 2011-04-14 08:47:12 +0200 [Re: [BackupPC-users] How to restore an 8GB archive file?]: From: Holger Parplies Sent: Thursday, April 14, 2011 12:38 AM - Which user on the target host do you need to connect as? Perhaps root? When the backuppc user connects to a host to do a backup, it uses a passwordless login with ssh keys. The password entered the very first time I transferred the key, was root's. So does this mean it's user backuppc that does the actual restore or user root? Well, you took away the context, so it's not obvious you misunderstood the question (which wasn't one, actually). If you use computers to do things, you need to think. There is no way around that. Even a nice shiny GUI does not have a do the right thing, now button. Downloading a tar file over the GUI requires you to think about where to do that and how to get the tar file to the destination computer, as the right user, and where to put it. There might be a simple solution (go to the destination computer and download the tar file from a browser belonging to the user, and he'll tell you where to put it), but there might as well be many obstacles (not enough tmp space, broken browser version, no network access to the BackupPC server, slow network link, transparent proxy, user out for lunch, user needs to leave before the download is complete ...). Some of these might even impose *arbitrary* file size limits when downloading (browsers seem to have *strange* solutions for starting downloads before they know where to put the file). You might automatically select the right option, or you might not think about it at all and just get away with it. Or hit something that looks like a file system problem, but can't really be explained. Concerning the selection of an ssh target user, if you want a generic answer, use root, that will always work (but has the potential to do more harm if you get something wrong). For your case, if you *can* log in as the file owner (all files in the restore belong to him, right?), then do that. Maybe I should have written select the target user that makes most sense in each respective case. All of this has *nothing* to do with BackupPC doing backups. It's only about *you* getting the user's files back on his computer. And it's coincidentally similar to how automatic restores would work, except that they need a generic (and non
[BackupPC-users] How to restore an 8GB archive file?
Hi all, A user came to me this morning asking me to restore a folder which turns out to be some 8,5GB. Not initially knowing how big it actually was, using BPC I downloaded it in a zipped and uncompressed format to my Windows machine, then transferred the zip to her linux machine running 32b CentOS v5.6. Uncompression failed. Googling a bit I found out 32b linux is limited to 2GB per file on account of the file system. 8GB is a lot more than 2GB, so this would explain the uncompression failing. So, my question is a two-parter: 1. How would I best deal with really big archives when restoring from BPC and 32b linux is involved? 2. Wouldn't a zip-split function be a nice thing to have in BPC when restoring data? This is a hint to the BPC-author. 8-) Thanks. -- BW, Sorin --- # Sorin Srbu[Sysadmin, Systems Engineer] # Dept of Medicinal Chemistry, Phone: +46 (0)18-4714482 3 rings GSM # Div of Org Pharm Chem,Mobile: +46 (0)701-718023 # Box 574, Uppsala University, Fax: +46 (0)18-4714482 # SE-751 23 Uppsala, Sweden Visit: BMC, Husargatan 3, D5:512b # Web: http://www.orgfarm.uu.se --- # () ASCII ribbon campaign - Against html E-mail # /\ http://www.asciiribbon.org # # MotD follows: # The essence of motorcycling: Four wheels moves your body. Two wheels moves your soul. -- Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo ___ 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 restore an 8GB archive file?
On Wed, 2011-04-13 at 14:38 +0200, Sorin Srbu wrote: Googling a bit I found out 32b linux is limited to 2GB per file on account of the file system. 8GB is a lot more than 2GB, so this would explain the uncompression failing. That limit is long gone: root@frances:/tmp# uname -a Linux frances 2.6.32-30-generic #59-Ubuntu SMP Tue Mar 1 21:30:21 UTC 2011 i686 GNU/Linux root@frances:/tmp# dd if=/dev/zero of=/tmp/test bs=1048576 count=3072 3072+0 records in 3072+0 records out 3221225472 bytes (3.2 GB) copied, 57.5292 s, 56.0 MB/s root@frances:/tmp# ls -lah test -rw-r--r-- 1 root root 3.0G 2011-04-13 13:58 test root@frances:/tmp# du -sh test 3.1Gtest There *WAS* a 2GB limit, under kernel 2.4 and ext2. Anything you installed in the last 4 years does not have this issue. Regards, Tyler -- Freedom of thought is best promoted by the gradual illumination of men's minds, which follows from the advance of science. -- Charles Darwin -- Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo ___ 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 restore an 8GB archive file?
On Wed, 2011-04-13 at 14:38 +0200, Sorin Srbu wrote: A user came to me this morning asking me to restore a folder which turns out to be some 8,5GB. Why don't you just restore it back to his machine, using the typical option 1? If BackupPC archived it in the first place, it can restore it the same way. Regards, Tyler -- ... that your voice is amplified to the degree where it reaches from one end of the country to the other does not confer upon you greater wisdom or understanding than you possessed when your voice reached only from one end of the bar to the other. -- Edward R. Murrow -- Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo ___ 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 restore an 8GB archive file?
Tyler J. Wagner wrote at about 14:02:26 +0100 on Wednesday, April 13, 2011: On Wed, 2011-04-13 at 14:38 +0200, Sorin Srbu wrote: Googling a bit I found out 32b linux is limited to 2GB per file on account of the file system. 8GB is a lot more than 2GB, so this would explain the uncompression failing. That limit is long gone: root@frances:/tmp# uname -a Linux frances 2.6.32-30-generic #59-Ubuntu SMP Tue Mar 1 21:30:21 UTC 2011 i686 GNU/Linux I believe the OP was talking about 32bit Windows. Though even on WinXP or Win2000 I don't believe that is a limitation (unless you use FAT32 rather than NTFS). Perhaps the OP was talking about FAT32... -- Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo ___ 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 restore an 8GB archive file?
-Original Message- From: Tyler J. Wagner [mailto:ty...@tolaris.com] Sent: Wednesday, April 13, 2011 3:03 PM To: sorin.s...@orgfarm.uu.se; General list for user discussion, questions and support Subject: Re: [BackupPC-users] How to restore an 8GB archive file? On Wed, 2011-04-13 at 14:38 +0200, Sorin Srbu wrote: A user came to me this morning asking me to restore a folder which turns out to be some 8,5GB. Why don't you just restore it back to his machine, using the typical option 1? If BackupPC archived it in the first place, it can restore it the same way. I've never had that option to work. This time I got a weird unable to read 4 bytes-error when trying a direct restore. -- /Sorin -- Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo ___ 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 restore an 8GB archive file?
On 04/13 02:38 , Sorin Srbu wrote: 1. How would I best deal with really big archives when restoring from BPC and 32b linux is involved? Use tar when recovering a file for Unix, zip when recovering for windows. (Tho .zip may be buggy and you may need to use tar anyway). -- Carl Soderstrom Systems Administrator Real-Time Enterprises www.real-time.com -- Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo ___ 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 restore an 8GB archive file?
-Original Message- From: Carl Wilhelm Soderstrom [mailto:chr...@real-time.com] Sent: Wednesday, April 13, 2011 4:01 PM To: sorin.s...@orgfarm.uu.se; General list for user discussion, questions and support Subject: Re: [BackupPC-users] How to restore an 8GB archive file? On 04/13 02:38 , Sorin Srbu wrote: 1. How would I best deal with really big archives when restoring from BPC and 32b linux is involved? Use tar when recovering a file for Unix, zip when recovering for windows. (Tho .zip may be buggy and you may need to use tar anyway). Yupp, just what I ended up doing in the end. Great minds think alike, right? Thanks. ;-) -- /Sorin -- Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo ___ 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 restore an 8GB archive file?
On 4/13/2011 8:34 AM, Sorin Srbu wrote: A user came to me this morning asking me to restore a folder which turns out to be some 8,5GB. Why don't you just restore it back to his machine, using the typical option 1? If BackupPC archived it in the first place, it can restore it the same way. I've never had that option to work. This time I got a weird unable to read 4 bytes-error when trying a direct restore. Usually that means the restore is configured to use ssh in some way, and the ssh keys aren't set up correctly. Is there something different about the way your restore command works? -- Les Mikesell lesmikes...@gmail.com -- Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo ___ 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 restore an 8GB archive file?
Hi, just to add an option for the archives ... Sorin Srbu wrote on 2011-04-13 14:38:29 +0200 [[BackupPC-users] How to restore an 8GB archive file?]: [...] Not initially knowing how big it actually was, using BPC I downloaded it in a zipped and uncompressed format to my Windows machine, then transferred the zip to her linux machine running 32b CentOS v5.6. [...] 1. How would I best deal with really big archives when restoring from BPC and 32b linux is involved? with really big archives you want to avoid unnecessary network transfers and intermediate storage of the files. Try something along the lines of ... backuppc-server$ sudo -u backuppc /usr/share/backuppc/bin/BackupPC_tarCreate -h host -n dumpNum -s shareName /path/to/data/relative/to/share | ssh -l user target-host tar xvpf - -C /share/path/on/target (of course, great minds prefer netcat ;-). You'll have to play around a bit with that (practise with small amounts of data and piping BackupPC_tarCreate into 'tar tvf -' instead of ssh to get a feeling for what files you are selecting and what the paths in the tar stream look like). Some things to consider: - Which user on the target host do you need to connect as? Perhaps root? - Are you restoring in-place or do you need to change paths? Consider using the '-r' and '-p' options to BackupPC_tarCreate or restore to a temporary location - preferably on the correct partition - and move the target directory into the correct place manually. Check permissions before moving so 'mv' does not, in fact, start copying things. - Does sudo -u backuppc work for you or do you need to become the backuppc user in a different way? - Where is your BackupPC_tarCreate? I've used the Debian package path, but that's not the standard ... - I just added a tar 'v' option, because you should probably see what you are doing until it has become routine, and perhaps even then ... 2. Wouldn't a zip-split function be a nice thing to have in BPC when restoring data? This is a hint to the BPC-author. 8-) Personally, I wouldn't use the web interface for downloading large amounts of data anyway. On the command line, your imagination is the limit to what you can do. If it's not available as a filter yet, the BPC-author would likely need to implement the functionality. A generic tar2zipsplit filter would be more useful to the world than a specific implementation inside BackupPC, don't you think? Regards, Holger -- Benefiting from Server Virtualization: Beyond Initial Workload Consolidation -- Increasing the use of server virtualization is a top priority.Virtualization can reduce costs, simplify management, and improve application availability and disaster protection. Learn more about boosting the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev ___ 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/
