* Bill Moran <[EMAIL PROTECTED]> [20040622 00:57]: wrote: > Matthew Seaman <[EMAIL PROTECTED]> wrote: > > > On Mon, Jun 21, 2004 at 05:25:20PM -0400, Bill Moran wrote: > > > > > The return can be significant. The company I am doing this for provides IMAP > > > mail services for business. If a filesystem crashes and service is down for a > > > while, we can easily lose clients. If we had some sort of failover, we'd be > > > able to just switch the IP on the backup machine and life would be good. > > > > > > "long way to go" is what I'm trying to establish. I was hoping to find > > > something workable without reinventing the wheel. For example, Postgresql can > > > do real-time replication between two Postgresql servers using Slony. If I can > > > find an IMAP server that will keep the mail folders in PostgreSQL, I've got my > > > failover system ... tada! > > > > http://wiki.dovecot.org/moin.cgi/DovecotPostgresql > > Unfortunately, this only keeps the user database in Postgresql, but not the > mailboxes themselves. We already have the equivalent of this using LDAP, and > I'm in the process of setting up a slave LDAP server for redundancy. > > It's the mailboxes themselves that are difficult to get. Best we've got right > now is backing up the Cyrus mail folders using rsync ... but this is very time- > consuming, and (thus) only done once a day. In order for it to be done right, > Cyrus has to be shut down while it's backing up.
Hello Bill and everyone, I know it is already August. I did not read this list all this time, leave alone the thread! But anyway, Bill says they use LDAP, yes? How about this solution: # High Availability Mail server http://bsdvault.net/sections.php?op=viewarticle&artid=99 http://bsdvault.net/sections.php?op=viewarticle&artid=100 Looks like what Bill wanted, no? -Wash http://www.netmeister.org/news/learn2quote.html -- +======================================================================+ |\ _,,,---,,_ | Odhiambo Washington <[EMAIL PROTECTED]> Zzz /,`.-'`' -. ;-;;,_ | Wananchi Online Ltd. www.wananchi.com |,4- ) )-,_. ,\ ( `'-'| Tel: +254 20 313985-9 +254 20 313922 '---''(_/--' `-'\_) | GSM: +254 722 743223 +254 733 744121 +======================================================================+ The trouble with being poor is that it takes up all your time. _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
