On Thursday 27 November 2008 11:07:41 James Cort wrote:
> Silver Salonen wrote:
> > On Thursday 27 November 2008 09:50:14 Proskurin Kirill wrote:
> >> Hello all!
> >>
> >> Soon I will deploy a large email server - it will use maildirs and will 
> >> be about 1Tb of mail with really many small files.
> >>
> >> It is any hints to make a backup via bacula of this?
> >>
> > I think Bacula is quite good for backing up maildirs as they constist of 
> > separate files as e-mail messages. I don't think small files are a 
problem.
> 
> I don't think they're a problem either and I also backup a maildir-based
> mail server.
> 
> However, one thing you may want to be aware of - unless you take
> specific steps to avoid it, the maildirs on tape won't necessarily be in
> a consistent state.  Obviously this won't affect your IMAP server - but
> it does mean that when you restore, metadata like whether or not emails
> have been read or replied to and recently received/sent email won't be a
> perfect snapshot of how the mailserver looked at any given point in time.

And when you have many incrementals in a row while restoring, you end up 
seeing many duplicate messages, that have been deleted or moved during these 
incrementals.

It'll be better in Bacula 3.0, I guess :)

--
Silver

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