Bacula-users

Re: [Bacula-users] differential backups with xfs/x86-64?

2012-01-11 06:12:45
Subject: Re: [Bacula-users] differential backups with xfs/x86-64?
From: Martin Simmons <martin AT lispworks DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Wed, 11 Jan 2012 11:10:41 GMT
>>>>> On Wed, 11 Jan 2012 10:02:00 +0100, "IEM  said:
> 
> On 2012-01-10 14:19, Bruno Friedmann wrote:
> >
> > If the filesystem xfs is not mounted with the noatime option, check to have 
> > noatime option in the bacula job.
> > so it will not change each file during the full backup, then creating a new 
> > fool backup for the incremental.
> 
> that is a very good point.
> # cat /proc/mounts
> /dev/vda /Net/data xfs rw,relatime,attr2,nobarrier,noquota 0 0
> 
> so the xfs-attribute "noatime" is not set (thought "relatime" is).
> and the the bacula fileset misses the "noatime=yes" as well.
> 
> i will add "noatime=yes" to the fileset and see whether this helps....

This should make no difference -- incremental backup is based on ctime and
mtime, not atime.

Please post your fileset definition.

Also, what is the output of

stat /path/to/some/file

where /path/to/some/file is a file that you didn't expect to see in the
incremental backup?

__Martin

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