On 15/07/2008, at 3:54 PM, Jeremy Chadwick wrote:

We moved all of our production systems off of using dump/restore solely
because of these aspects.  We didn't move to ZFS though; we went with
rsync, which is great, except for the fact that it modifies file atimes
(hope you use Maildir and not classic mbox/mail spools...).

We do something similar, except that we use unison rather than rsync. This tool is a two way rsync, it deals with collisions and replicating files in both directions at once. Very nice. Look for it in the ports tree.

This has some advantages for us since we distribute load across several machines and have a cluster of machines which all replicate to each other. The data is such that collisions are almost never a concern.

Ari Maniatis



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