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 <a.capo...@consulthink.it> > >> 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 ------------------------------------------------------------------------------ Minimize network downtime and maximize team effectiveness. Reduce network management and security costs.Learn how to hire the most talented Cisco Certified professionals. Visit the Employer Resources Portal http://www.cisco.com/web/learning/employer_resources/index.html _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
