BackupPC-users

Re: [BackupPC-users] incremental backups taking longer than full

2008-10-31 05:47:31
Subject: Re: [BackupPC-users] incremental backups taking longer than full
From: Omar Llorens Crespo Domínguez <tsomar AT tsolucio DOT com>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Fri, 31 Oct 2008 10:45:39 +0100
Mark Maciolek escribió:
> hi,
>
> Using rsync between two linux servers, the full took 2.5 hours, the 
> incremental backups are taking longer each day.
>
> 2008-10-21 23:00:01 full backup started for directory /
> 2008-10-22 02:32:55 full backup 0 complete, 294903 files, 203401100538 
> bytes, 28 xferErrs (0 bad files, 0 bad shares, 28 other)
> 2008-10-22 23:00:00 incr backup started back to 2008-10-21 23:00:01 
> (backup #0) for directory /
> 2008-10-23 04:59:40 incr backup 1 complete, 541 files, 170443233887 
> bytes, 11 xferErrs (0 bad files, 0 bad shares, 11 other)
> 2008-10-23 23:00:00 incr backup started back to 2008-10-21 23:00:01 
> (backup #0) for directory /
> 2008-10-24 06:41:00 incr backup 2 complete, 889 files, 169752997145 
> bytes, 10 xferErrs (0 bad files, 0 bad shares, 10 other)
> 2008-10-24 23:00:00 incr backup started back to 2008-10-21 23:00:01 
> (backup #0) for directory /
> 2008-10-25 06:41:42 incr backup 3 complete, 1190 files, 170136700321 
> bytes, 1 xferErrs (0 bad files, 0 bad shares, 1 other)
> 2008-10-25 23:00:01 incr backup started back to 2008-10-21 23:00:01 
> (backup #0) for directory /
> 2008-10-26 06:28:34 incr backup 4 complete, 1491 files, 170214964434 
> bytes, 13 xferErrs (0 bad files, 0 bad shares, 13 other)
> 2008-10-26 23:00:01 incr backup started back to 2008-10-21 23:00:01 
> (backup #0) for directory /
> 2008-10-27 06:54:31 incr backup 5 complete, 1826 files, 170294261665 
> bytes, 2 xferErrs (0 bad files, 0 bad shares, 2 other)
> 2008-10-27 23:00:01 incr backup started back to 2008-10-21 23:00:01 
> (backup #0) for directory /
> 2008-10-28 07:01:38 incr backup 6 complete, 2174 files, 170711300863 
> bytes, 14 xferErrs (0 bad files, 0 bad shares, 14 other)
> 2008-10-28 23:12:21 incr backup started back to 2008-10-21 23:00:01 
> (backup #0) for directory /
> 2008-10-29 08:27:44 incr backup 7 complete, 2481 files, 171012691775 
> bytes, 2 xferErrs (0 bad files, 0 bad shares, 2 other)
> 2008-10-29 23:18:49 incr backup started back to 2008-10-21 23:00:01 
> (backup #0) for directory /
>
>
> The command that is running:
>
> incr backup started back to 2008-10-21 23:00:01 (backup #0) for directory /
> Running: /usr/bin/ssh -q -x -l root stella /usr/bin/rsync --server 
> --sender --numeric-ids --perms --owner --group -D --links --hard-links 
> --times --block-size=2048 --recursive . /
> Xfer PIDs are now 1783
> Got remote protocol 28
> Negotiated protocol version 28
> Sent exclude: /tmp
> Sent exclude: /net
> Sent exclude: /sys
> Sent exclude: /proc
> Sent exclude: /dev
> Xfer PIDs are now 1783,1792
>
>
> Any suggestions on what to look for as too why the incremental backups 
> take so much longer than the full?
>
> Mark
>   
Do you have any virtual machine? If you have anyone, the vm ocuped 4gb 
for example and if you modificated anything in the vm , when you make an 
incremental backup , BackupPc copy again the vm's image.
This isn't only for image i referer any file so big , that is modify and 
the backuppc think, it's a new file !!! ooohhh i have to copy!! jeje.

Omar Llorens Crespo Domínguez
JPL TSOLUCIO, S.L
Informatic solutions
www.tsolucio.com
902 886 938
Spain

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