Bacula-users

Re: [Bacula-users] How does Bacula know a changed file?

2016-07-19 10:24:53
Subject: Re: [Bacula-users] How does Bacula know a changed file?
From: Josh Fisher <jfisher AT pvct DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Tue, 19 Jul 2016 10:25:00 -0400
On 7/19/2016 9:48 AM, philhu wrote:
> I move my NAS files to a new FreeNAS unit.
>
> I used rsync to move, keeping numeric-ids, perms, owners, groups, etc.  Full 
> everything backup.
>
> Mounted the new nas at exact mountpoints as old unit used.
>
> Plex, pytivo, etc did not see a difference
>
> Bacula, on the other hand, saw something, as it still did what it said was an 
> incremental, not full, but rewrote all files to tape.
>
> What does it key on for changes?  I would rather not need my 48TB of data 
> going out to tape again, taking 20 days
>

The mtime and ctime of the files. Are you using the -t option in rsync 
to preserver timestamps?


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