Re: Cyrus IMAP cluster

2005-12-29 Thread Mathieu Arnold
+-Le 29/12/2005 14:52 -0500, Dave McMurtrie a dit : | Nikola Milutinovic wrote: | |> |> Are we talking about cyrus murder? I'll definitely take a look. | | He's actually talking about the replication code that David Carter wrote. | Murder only offers scalability, and does not give you any type

Re: Cyrus IMAP cluster

2005-12-29 Thread Nikola Milutinovic
Igor Brezac wrote: On Wed, 28 Dec 2005, Nikola Milutinovic wrote: Hello all. How would one go about building a Cyrus cluster? Suppose you wanted to make two servers a failover IMAP cluster. The way I imagine it, the MTA can forward messages to two servers. Problem is, deleting from one se

Re: Cyrus IMAP cluster

2005-12-29 Thread Dave McMurtrie
Nikola Milutinovic wrote: Are we talking about cyrus murder? I'll definitely take a look. He's actually talking about the replication code that David Carter wrote. Murder only offers scalability, and does not give you any type of replication of the backend mailstore. Thanks, Dave C

Re: Cyrus IMAP cluster

2005-12-29 Thread Sven Mueller
Nikola Milutinovic schrieb: > How would one go about building a Cyrus cluster? > > Suppose you wanted to make two servers a failover IMAP cluster. The way > I imagine it, the MTA can forward messages to two servers. Problem is, > deleting from one server will not reflect on the other. I'd like to

Re: Cyrus IMAP cluster

2005-12-28 Thread Igor Brezac
On Wed, 28 Dec 2005, Nikola Milutinovic wrote: Hello all. How would one go about building a Cyrus cluster? Suppose you wanted to make two servers a failover IMAP cluster. The way I imagine it, the MTA can forward messages to two servers. Problem is, deleting from one server will not reflect

Re: cyrus-IMAP cluster

2005-01-11 Thread Paolo Negri
I don't know if in your case a cluster is the better solution. If i should evolve my cyrus configuration i would evaluate aggregator http://asg.web.cmu.edu/cyrus/ag.html as first possibility. It's a solution conceptually in the middle between perdition and a cluster. One point of strenght of ag

Re: cyrus-IMAP cluster

2005-01-10 Thread Lee
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