high-availability again

[Amos]

Ben Carter wrote:
> Actually, the important code change for any active/active cluster 
> configuration is to make sure the stage./ files used during LMTP 
> delivery have unique filenames across the cluster.
> 
> There are some other setup differences related to this same issue such 
> as symlinking /var/imap/proc, /var/imap/socket, and if you care 
> /var/imap/log to local filesystem space on each cluster node.  You could 
> make these filenames unique across the cluster with code changes if you 
> want to make the code changes for these also.
> 
> We added a "clusternode" parameter to imapd.conf to accomplish this for 
> the LMTP stage./ files.
> 
> Otherwise, it just worked.
> 
> Ben
> 

So y'all are doing active/active? What version of Cyrus?

Amos

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