[Dovecot] Backing Up

[Timo Sirainen]

On Thu, 2008-10-30 at 11:00 -0400, Stewart Dean wrote:
> Dave McGuire wrote:
> > On Oct 29, 2008, at 3:42 PM, Scott Silva wrote:
> >>> What is the best way to do a (server-side) backup of all mail in a
> >>> user's mail?
> >>>
> >> I usually just rsync the /home directories to another server. The 
> >> inital sync
> >> can take a while, but it gets faster after there is a base to work from.
> >
> >   ...and it's much less painful if you're using maildir instead of mbox!
> >
> >            -Dave
> >
> I have to wonder.  I have a mailserver that I do a bootable complete 
> image copy of with all files and O/S in two hours to an Ultrium-2 tape, 
> 95 GB.  When I switch to maildir, I will go from some 25,000 mbox files 
> to 2.5 to 3 million files...I can't believe that isn't going to hurt and 
> will force me into incrementals.....

One possibility is to just wait for dbox with multiple-messages-per-file
feature. I can't really say when it'll be ready (or when I'll even start
implementing it), but I know I want to use it myself and some companies
have also recently been asking about it.
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