Hello Alberto
Where are stored your bacula volumes ? If you use a location under one of the
trees: /etc /root or /opt, you would back up your own volumes, which could
explain this.
And then, the previous advice (list files jobid=xxx) is still valid. You might
also want to execute an SQL query to your catalog to request file names and
sizes.
George.
> Message du 05/04/13 08:04
> De : "Alberto Caporro"
> A : "bacula-users"
> Copie à :
> Objet : Re: [Bacula-users] Strange issue with backup size
>
> Hi Radosław, I had another run this night with the "sparse = yes"
> option turned on, but it doesn't seem to have solved the issue; backup
> size is still 145G.
>
> My configuration is as follows, do you see anything suspicious?
>
> Thanks,
> Alberto
>
>
> JobDefs {
> Name = "DefaultJob"
> Type = Backup
> Level = Incremental
> Schedule = "WeeklyCycle"
> Storage = File
> Messages = Standard
> Pool = File
> Write Bootstrap = "/var/lib/bacula/%c.bsr"
> Accurate = yes
> }
>
> Job {
> Name = "BackupMailserver"
> JobDefs = "DefaultJob"
> FileSet="FileServer"
> ClientRunBeforeJob = "/etc/init.d/zimbra stop"
> ClientRunAfterJob = "/etc/init.d/zimbra start"
> Priority = 20
> Client = mail-fd
> }
>
> FileSet {
> Name = "FileServer"
> Include {
> Options {
> signature = SHA1
> sparse = yes
> }
> File = /etc
> File = /opt
> File = /root
> }
> }
>
>
> ---
> Alberto Caporro
> Director of Security Services - Consulthink Srl
> Via dell'Archivio di Stato, 15
> 00144 Rome, Italy
> http://www.consulthink.it
> M. +39 335 1217 394
> F. +39 06 4549 2454
>
> GPG key fingerprint
> 46B5 2D38 2D48 3EFA 5C12 B86B 157D 80BA 2EAD DF41
> On 4 Apr 2013, at 10:40, Alberto Caporro wrote:
>
> > Bingo! You saved my day, I'd never have thought of this :-)
> >
> > I have a very large (80G) sparse file in the /opt directory, I'm going
> > to take advantage of the "sparse = yes" feature.
> >
> > Thanks again,
> > Alberto
> >
> >
> > ---
> > Alberto Caporro
> > Director of Security Services - Consulthink Srl
> > Via dell'Archivio di Stato, 15
> > 00144 Rome, Italy
> > http://www.consulthink.it
> > M. +39 335 1217 394
> > F. +39 06 4549 2454
> >
> > GPG key fingerprint
> > 46B5 2D38 2D48 3EFA 5C12 B86B 157D 80BA 2EAD DF41
> > On 4 Apr 2013, at 10:20, Radosław Korzeniewski wrote:
> >
> >> Hello,
> >>
> >> 2013/4/4 Alberto Caporro
> >>
> >>> Hi everybody,
> >>>
> >>> I've just completed a Bacula deployment within our infrastructure
> >>> and run
> >>> through the first backups; while all of them have completed without
> >>> any
> >>> error, one of the jobs gave results that I find puzzling.
> >>>
> >>> I backed up our mail server, which is hosted in a virtual machine
> >>> with two
> >>> virtual disks sized at 20G and 200G respectively. I'm only backing
> >>> up
> >>> relevant files (/etc, /root and /opt) and measured on the server
> >>> itself,
> >>> the total size amounts to slightly more than 56G.
> >>>
> >>> The backup job ends with a total size of 145G, which is clearly
> >>> wrong; the
> >>> total number of backed up files is however correct, standing at
> >>> 400k+.
> >>>
> >>> Check what files were backuped with "list files jobid=xx" bconsole
> >>> command
> >> and compare it with list of expected files. It is very plausible that
> >> you
> >> have more files on backup then expected. In this case you have to
> >> tune your
> >> FileSet definition.
> >>
> >> Another case could be a sparse files. If you have a very large sparse
> >> file
> >> (or files) i.e. 10GB file which allocated only a few MB on disk then
> >> Bacula
> >> will backup 10GB instead of a few MB. To avoid this you should add
> >> "sparse
> >> = yes" option to the FileSet definition. Then Bacula will try to
> >> detect a
> >> sparse space (all zeros) and do not backup this data but an
> >> information
> >> about sparse block only (a few bytes). Bacula sparse detection handle
> >> 64kB
> >> blocks only (a whole 64kB block has to be all zeros to mark it as a
> >> sparse
> >> block).
> >>
> >> best regards
> >> --
> >> Radosław Korzeniewski
> >> rados...@korzeniewski.net
>
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