Re: [BackupPC-users] Backup in progress, but never ends.

[Craig Barratt]

Regis writes:

>  I tested the zize of the "new" directory
> $ while [ 1 ]; do du -sk new; sleep 30; done
>  And the size is always the same.
> 
> Any ideas?
> 
> Could some one help me to solve this problem ?

I'd recommend manually running the smbclient command and pipe
the output into "tar tvf -" so you can see how far it gets
and perhaps where it hangs.

You might try running WinXX chkdsk on the client.  You might
also try disabling your AV software to see if that makes a
difference.

Craig

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Re: [BackupPC-users] How to move backuppc data from lvm to bigger disks/lvm?

[Ralf Gross]

Holger Parplies schrieb:
> Hi,
> 
> Adam Goryachev wrote on 15.06.2007 at 11:28:13 [Re: [BackupPC-users] How to 
> move backuppc data from lvm to bigger disks/lvm?]:
> > Ralf Gross wrote:
> > > [...]
> > > dd if=/dev/mapper/VolGroup00-LogVol00 bs=8192 of=backuppc.dump
> > > [...]
> > > I think the dd data includes information about the lvm volume/logical
> > > groups.
> > [...]
> > The problem I see in your suggestion is that you are copying a 1TB
> > filesystem/partition into a 800GB one therefore if you have stored data
> > at the end of the drive, then it will be lost, the above should solve
> > that problem.
> 
> just to make it clearer:
> the device file name /dev/mapper/VolGroup00-LogVol00 means you have not been
> very imaginative when choosing VG and LV names, but aside from that, it

That's true, but with only one volg/lv I didn't care much about it.

> represents a plain block device. The filesystem is not and should not be
> aware of how the underlying block device is implemented. Reading
> /dev/mapper/VolGroup00-LogVol00 gives you the concatenation of the raw
> blocks it consists of in ascending order, just like reading /dev/sda1,
> /dev/sda, /dev/fd0 or /dev/sr0 does (/dev/sr0 is likely not writable though)
> - nothing more and nothing less. Meta-information about VG and LVs is
> stored in the PVs outside the data allocated to any LV.

Ok, then 

dd if=/dev/VolGroup00/LogVol00 bs=8192 | gzip -2 -c > backuppc.dump.gz
gzip -dc backuppc.dump.gz | dd of=/dev/fancy-vg-name/fancy-lv-name

should work. I created a file with 
'dd if=/dev/zero of=/var/lib/backuppc/null'
this should help compressing the unused space better.
 
> I agree that you will need at least as much space as your LV takes up if you
> want to copy it. I would add that copying into a file will probably give you
> more trouble than copying to a block device (provided it is large enough).
> There's simply one layer less of arbitrary file size limits you would be
> dealing with.

Yeah, last time I did this on an other system  I was able to use
resize_reiserfs and it worked very well. I've no idea why
resize_reiserfs is now giving me this bitmap error.

Ralf

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Re: [BackupPC-users] How to extract information on duplicate files from BackupPC

[Krsnendu dasa]

You might consider fslint It is designed specifically for this task.

On 15/06/07, Craig Barratt <[EMAIL PROTECTED]> wrote:
> David writes:
>
> > Is there an easy way to extract information on what files BackupPC has found
> > are duplicate? I'd like to eliminate duplicate files on my system, and since
> > BackupPC has already gone to the work of identifying them, I'd like to get
> > some sort of report listing the paths (relative to the original system(s)) 
> > to
> > the duplicated files
> >
> > I've looked in the documentation and searched the mail list archives,
> > but haven't found this. My apologies if this has been covered before;
> > feel free to point me to the appropriate URL if so.
>
> You need to find all the files with same inode.  You can do
> that with find, but that is expensive.
>
> Three years ago Yaroslav Halchenko reported that he had modified
> the linux locate tool to also save the inode in its database.
> That allows very fast lookups via inode (after the fixed overhead
> of crawling the tree to update the locate db).  He posted his
> scripts here:
>
> http://www.onerussian.com/Linux/ilocate/ilocate.phtml
>
> Craig
>
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[BackupPC-users] Automating windows clients installation

[Rodrigo Real]

Hi guys

I am using backuppc with success for at least 3 years, I backup mostly
linux servers, but also have some windows hosts. Some of these
linux machines are through a VPN, using openVPN.

Now I am thinking about backing up some disperse Windows hosts using
the Internet as the network, with the backuppc server in  a safe
place. The idea is that the amount of data on each machine will be
something like 100-200MB.

One of the problems I see are the difficulties related to installing
and configuring OpenVPN on windows, configure the samba shares, and
backuppc. Although this is not a very very hard problem, it is for final
users. 

My idea is to build a sort of installer for this situation, which with
a few questions would do the job. But I don't have any experience with
this kind of thing in the windows world. I believe it could be done
with Inno Setup (http://www.jrsoftware.org/isinfo.php), which seems to
be a nice program, but I never used it.

Do you think it is a good idea to implement this sort of thing? 

The main question seems to be: Is this sort of thing already
available?

Best regards,
Rodrigo




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Re: [BackupPC-users] Automating windows clients installation

[Lemonbit]

Rodrigo Real wrote:


My idea is to build a sort of installer for this situation, which with
a few questions would do the job. But I don't have any experience with
this kind of thing in the windows world. I believe it could be done
with Inno Setup (http://www.jrsoftware.org/isinfo.php), which seems to
be a nice program, but I never used it.


You might also want to check out NSIS [0], the installer created by  
the guys that make Winamp and which is being used by lots of programs.


Nils Breunese.

[0] 




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Re: [BackupPC-users] command line restore problems

[Matt Miller]

Holger Parplies wrote:

> correct. The regular expression used for checking the validity of a share
> name in BackupPC_tarCreate 2.1.1-2sarge2 (which is the closest to 2.1.2-6
> I've come across) does not allow ampersands. That's a bug which is fixed in
> BackupPC 3.0.0 (possibly earlier).
> 
> Change line 128 of BackupPC_tarCreate:
> 
> - if ( $opts{s} !~ /^([\w\s\.\/\$-]+)$/ && $opts{s} ne "*" ) {
> + if ( $opts{s} =~ m{(^|/)\.\.(/|$)} ) {

This worked beautifully! Thanks!


-- 
- Matt Miller -
Solutions for Progress
728 South Broad Street
Philadelphia, PA  19146
215-701-6108 (v)
215-972-8109 (f)


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[BackupPC-users] Cygwin, Rsyncd running slow

[Ski Kacoroski]

Hi,

I am setting up my first rsyncd/cygwin backup of a windows client.  The
client has 60GB of data on it and it currently takes 23 hours for a
full backup (100MB link between the client and the server).  I thought
the problem may the size and number of files with rsync so I split it
into 3 backups of roughly 20GB each and it is still just as slow.

Any ideas on how to speed this up or figure out where the slowdown is
are most appreciated.

cheers,

ski

-- 
"When we try to pick out anything by itself, we find it
 connected to the entire universe"John Muir

Chris "Ski" Kacoroski, [EMAIL PROTECTED], 206-501-9803

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Re: [BackupPC-users] Cygwin, Rsyncd running slow

[nilesh vaghela]

In my case :20 gb of backup is taking around 98 minutes full backup and 45
minutes incremental backup.

What your setting of config.pl.

On 6/15/07, Ski Kacoroski <[EMAIL PROTECTED]> wrote:


Hi,

I am setting up my first rsyncd/cygwin backup of a windows client.  The
client has 60GB of data on it and it currently takes 23 hours for a
full backup (100MB link between the client and the server).  I thought
the problem may the size and number of files with rsync so I split it
into 3 backups of roughly 20GB each and it is still just as slow.

Any ideas on how to speed this up or figure out where the slowdown is
are most appreciated.

cheers,

ski

--
"When we try to pick out anything by itself, we find it
connected to the entire universe"John Muir

Chris "Ski" Kacoroski, [EMAIL PROTECTED], 206-501-9803

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--
Nilesh Vaghela
ElectroMech
Redhat Channel Partner and Training Partner
74, Nalanda Complex, Satellite Rd, Ahmedabad
25, The Emperor, Fatehgunj, Baroda.
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Re: [BackupPC-users] Cygwin, Rsyncd running slow

[Adam Goryachev]

Ski Kacoroski wrote:
> Hi,
>
> I am setting up my first rsyncd/cygwin backup of a windows client.  The
> client has 60GB of data on it and it currently takes 23 hours for a
> full backup (100MB link between the client and the server).  I thought
> the problem may the size and number of files with rsync so I split it
> into 3 backups of roughly 20GB each and it is still just as slow.
>
> Any ideas on how to speed this up or figure out where the slowdown is
> are most appreciated.
>   
One thing I noticed is that my anti-virus program would do a virus scan 
during the initial rsync search to build the list of files, and I assume 
again while it was actually transferring the changed files.
Turning off the AV would significantly decrease the time for rsyncd to 
build the file list.

Regards,
Adam


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Re: [BackupPC-users] Cygwin, Rsyncd running slow

[Jim McNamara]

On two windows machines using rsyncd, the one on the LAN with the backuppc
machine does 44 Gb fulls in 132 minutes, and incrementals (about 200 Mb of
new data per day) takes 30. The other machine is across a VPN, but still
does 25 Gb fulls in 125 minutes, and incrementals (about 6 Gb of new data)
takes 45.

IIRC the initial backup took around 24 hours to do for each machine, but it
has been very smooth sailing since then. I'm 120 backups in, and its been
quick and easy after that first hurdle.

Peace,
Jim

On 6/16/07, Adam Goryachev <[EMAIL PROTECTED]> wrote:


Ski Kacoroski wrote:
> Hi,
>
> I am setting up my first rsyncd/cygwin backup of a windows client.  The
> client has 60GB of data on it and it currently takes 23 hours for a
> full backup (100MB link between the client and the server).  I thought
> the problem may the size and number of files with rsync so I split it
> into 3 backups of roughly 20GB each and it is still just as slow.
>
> Any ideas on how to speed this up or figure out where the slowdown is
> are most appreciated.
>
One thing I noticed is that my anti-virus program would do a virus scan
during the initial rsync search to build the list of files, and I assume
again while it was actually transferring the changed files.
Turning off the AV would significantly decrease the time for rsyncd to
build the file list.

Regards,
Adam


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