[Dovecot] incremental backups of maildir via rsync
Wojciech Puchar
wojtek at wojtek.tensor.gdynia.pl
Mon Jul 16 09:20:18 EEST 2012
> I would like to do incremental backups of the users' maildir
> directories to a dedicated backup host (using "rsync -SHa"
> and rsnapshot).
dont use it.
use rsync -b option. It is MUCH MUCH BETTER.
i use it regularly.
Split your rsync session if you have huge amount of users or rsync would
be taking enormous amount of RAM and have larger chance to fail.
> Problem is: Dovecot bloats the incremental backup by changing
> the file names again and again.
I didn't observe that except when moving from "new" to "cur"
but --detect-renamed fixes it.
>
> Is there some way to tell Dovecot to keep meta information
> separate from the file names?
>
it already do this.
exclude dovecot indexes from backup
PS. rsync backup is what i use regularly. Except none of my servers are
purely mail server.
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