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Bug#605474: upgrade-reports: Lenny->Squeeze upgrade side-effects on backup2l



reassign 605474 backup2l 1.5-3
kthxbye

Reassigning to backup2l, hopefully its maintainer can help you
investigate the issue.

On Tue, Nov 30, 2010 at 14:36:00 +0100, David Kuehling wrote:

> Package: upgrade-reports
> Severity: normal
> 
> After upgrading to Squeeze, backup2l created a level-2 backup that
> contains /all/ files to backup, instead of just the few files that
> actually changed.  So something in the new version of backup2l (or bash,
> or find or ls?) messes with the algorithm that backup2l employs to check
> for whether files have changed (date/time/size?).
> 
> After the one oversized backup, following differential backups have a
> usually small size, so the problem is only visible when backup2l creates
> a differential backup against a backup that was created with lenny.  So
> actually I'm seeing the problem twice: once for the level-2 backup that
> diffed against the previous level-2 backup created with lenny.  Then a
> week later when Squeeze creates a new level-1 backup against the earlier
> level-1 backup also created by lenny.
> 
> Quite a lot of wasted disk space + bandwidth.
> 
> -- System Information:
> Debian Release: squeeze/sid
>   APT prefers testing
>   APT policy: (500, 'testing')
> Architecture: i386 (i686)
> 
> Kernel: Linux 2.6.32-5-686 (SMP w/1 CPU core)
> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> 
Cheers,
Julien

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