Am 21.10.2011 15:27, schrieb Miles Fidelman: > Hi Folks, > > I'm about to rebuild a server farm, and I'm thinking about alternate > approaches to high-availability for our mail services. > > Right now, I just run a collection of services (including mail) on a > virtual machine, on top of a disk farm, with auto-failover to a > hot-spare backup on a 2nd machine. With the addition of a few more > machines into the rack, I'm thinking about dis-aggregating several > services, and wondering about service-specific high-availability > strategies. > > Can anybody point me to examples, howtos, or what have you on building a > high-availability mail cluster - I'm running Postfix, Amavisd, > Spammassassin, ClamAV (plus Sympa for list management, and UW IMAP - but > those aren't technically part of the mail processing). I'm specifically > looking for approaches to redundant storage of mail ques, failover > models, recovery from failure, and so forth. > > Thanks much, > > Miles Fidelman > >
i am using ha-loadbalancers, drbd-ocfs2 storage with dovecot clamav spamassassin postfix mysql on linux ubuntu lucid up to 5000 maildir mailboxes 2 lbs, 2 mail/imap/pop3servers, 1 central logging and backupserver nfs/syslog but thats only one choice, there are a lot of choices left which would work too -- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria
