Re: unable to open mailbox
On Tue, 12 Jan 2010 21:21:54 -0500
Rob Owens <rowens@ptd.net> wrote:
> On Tue, Jan 12, 2010 at 08:12:05PM -0500, Celejar wrote:
> > On Tue, 12 Jan 2010 20:05:15 -0500
> > Rob Owens <rowens@ptd.net> wrote:
> >
> > ...
> >
> > > Another benefit of maildir is if you use a backup program that does file
> > > pooling (like BackupPC). Anytime an mbox changes, that's a new file to
> > > backup (and usually a big one). With maildir, only the new messages
> > > have to be backed up.
> >
> > But note that rsync based backup solutions do differential file backup,
> > so only the changed / added portion of the mbox has to be copied and
> > then merged, which mitigates this problem.
> >
> Yes, rsync will only transfer the changes. But if you are trying to
> keep a history of backups (the last 7 daily backups, the last 10 weekly
> backups, etc) then you use much more storage if you have mbox. Each
> daily backup will hold the complete mbox. Whereas with maildir each
> daily backup would only require the additional messages to be stored
> (since the rest of the messages are presumably stored in the previous
> daily backup).
Fair enough. I actually use MH (and rdiff-backup as well as rsnapshot,
two rsync based backup solutions).
Celejar
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