Hot backups

Jerry Haltom jhaltom at
Fri Nov 14 10:07:26 EST 2003

But if one can just reconstruct the indexes, what damnage can be done by
just copying them? What critical information do they hold?

On Fri, 2003-11-14 at 08:54, Rob Siemborski wrote:
> On Fri, 14 Nov 2003, Simon Matter wrote:
> > Would be nice to have something like a 'cyrus_freeze' command. Maybe there
> > is a way to do this with SIGSTOP/SIGCONT?
> At this point, you might as well just kill the server, since you won't be
> able to do almost anything for the duration of the snapshot.
> In practice, undumping the mailbox list is probably a good idea, but not
> strictly necessary (atleast with skiplist).  If a mailbox winds up out of
> sync with its indexes, when you restore it you can just reconstruct the
> mailbox and all will be well (if you have to reconstruct the entire
> mailstore, obviously this will take some time).
> -Rob
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
> Research Systems Programmer * /usr/contributed Gatekeeper
Jerry Haltom <jhaltom at>
Feedback Plus, Inc.

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