cyrus-IMAP cluster

Lee lee at
Mon Jan 10 21:47:19 EST 2005

We use drbd and heartbeat on the backend mail servers (active/passive, 
data is real time replicated from active->passive). Has worked very 
reliably for several years, however it is not the most clean solution. 
I've heard / read bad things about GFS based shared storage (cyrus wiki 
actually has a section on it).

Apple just released their Xsan product though, seems like it might be a 
good solution.


On Jan 10, 2005, at 8:09 PM, Chad A. Prey wrote:

> I am wondering if any of you out there are running cyrus in a cluster?
> If so, how did you do it? and how would you do it if you had to do it
> all over again?
> We are currently using cyrus with perdition which works fine, however,
> ideally the situation would be that a user could connect to either IMAP
> server though a load-balancer with the /var/spool/imap folders shared
> between both machines on a Fibre channel disk array.
> We only have 1200 users but they are heavy, abusive users. Our current
> cyrus build is on WBEL (like RHEL) 2.4 kernel. I am especially keen to
> hear from those that have actually done this.
> -- 
>>     Chad A. Prey    <
> Sr. Systems Administrator
> Salk Institute for Biological Studies
> cell - (858)967-1051
> phone - (858) 453-4100 x 1930
> ---
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