nssbackup-team team mailing list archive

[Anton <feenstra@xxxxxxxxx>]

On 15/09/10 19:01, dik23 wrote:
> I have just come over from nssbackup and am using the nss ppa for
> sbackup.
>
> I have 26 inc daily snapshots (full are only done once a month). The
> final of the 26 was done using sbackup today.
>
> Surely I should have "once per week from last month" and the majority of
> the 26 should have been purged.

(ns)sbackup does not purge incremental backups (in the latest version). 
It does not make much sense for storage space, since incrementals 
typically are quite small. But more importantly, you lose consistency; 
if you purge several incremental backups and leave later ones you cannot 
restore files that were only in the purged backups and not the later 
ones. So, incrementals are only purged if the latest full backup before 
them gets purged.

Hope this clarifies things.

Anton.

-- 
Old backups are not deleted (log purge)
https://bugs.launchpad.net/bugs/71698
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