Re: Another basic question about Cyrus replication

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On Mon, Sep 13, 2010 at 08:59:01AM +0530, Shuvam Misra wrote:
> Dear all,
> 
> One more question about sync-server and sync-client. Suppose I have two
> active servers, A and B, which contain completely disjoint sets of
> mailboxes. Can both replicate simultaneously to a replica server C? I
> will run sync-server only on C, and sync-client on A and B, pointing them
> both to C.

Sort of - but it's not really recommended.  Running a separate instance of
Cyrus for each replica (with a different set of config files) would be
more compatible with the way it's designed to work.
 
> If this is possible, I can maintain a slow backup server with large
> disks to maintain a backup of a dozen separate active Cyrus servers where
> the user mailboxes are distributed across this dozen.

You'll find the replica still gets a lot of write IO.  If your master copies
are already getting a lot of writes, the replica is going to struggle.

Bron.
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