[Dovecot] Issues with SIS and Backups - was Re: v2.1.0 status

[Timo Sirainen]

On 13.2.2012, at 9.49, Jan-Frode Myklebust wrote:

> On Sun, Feb 12, 2012 at 05:58:20PM +0200, Timo Sirainen wrote:
>> 
>> doveadm backup -u user at domain backup:
>> 
>> And it would output the user's messages to stdout (or to some file). So it would be similar to e.g. PostgreSQL's pg_dump.
> 
> So only full backups, no incremental backups?

I know people are doing incremental backups with PostgreSQL, so it should be possible with Dovecot too. I'm not sure about the details yet tough.

> Then what's the benefit over just copying the files (of a snapshot)?

If SIS is enabled, it's a little difficult to restore specific user's mails from a filesystem based backup.