On Thu, May 11, 2006 at 08:44:06PM +1000, Karl Latiss wrote:
On Wed, 2006-05-10 at 19:29 -0500, Shayne Hardesty wrote:
How do you guys back up your maildir?
I've had great success with rsync and hard link based backup.
I've customised my own solution based on the scripts found at http://www.mikerubel.org/computers/rsync_snapshots/
Same here, I referred to this just yesterday in the "Recommended FS" thread.
One note : Shayne is also guarding against file disappearance where the client is responsible somehow, which in my experience is much more frequent.
For IMAP the rsync backup means getting back all mail until last backup, except for some percentage of deleted ones, which isn't bad but not quite perfect.
For POP the rsync backup means telling the client "you can get back things you had received but not popped at midnight every day", which isn't very useful.
Ideal protection is copying incoming mail as it arrives (in addition to the periodic backup), and that's an MTA problem.
HTH