Am 21.10.2011 18:10, schrieb Robert Schetterer: > 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
i just forgot, you may host this on vm machines too > > > but thats only one choice, there are a lot of choices left > which would work too i just forgot, you may host this on vm machines too -- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria
