Hi, I have also projected a similar solution but I got stuck in an Important question: How do you ensure redundancy for the POP3 access? If users have configured in the pop3: mail.domain.com and that address becomes unavailable. How do you ensure that if a POP3 server goes down another replaces without any downtime?
Thanks! On 3 December 2011 22:46, Casey Price <[email protected]> wrote: > Just wanted to post a quick update in regards to the QMT ISP Array I've > been working on setting up for the past while. I initially followed Jake's > video and got some tips from both and him and Schubes regarding a few > questions I had...anyways, I've actually setup my back-end DB servers > several times now, each time trying something a little bit different, and > I'm liking the latest incarnation. > > Decided I'd venture into the unknown and try out a "cluster-aware" file > system instead of using ext3/4 for my mailstore. Ended up checking out > OCFS2, and I've liked what I've seen so far. Also decided to try out NFS4 > (which didn't come without some initial issues, but alas its working). So I > have 2 Cent 5.7 boxes running OCFS2 over DRBD8.3, which is then exported > over NFS4 on both boxes, then I'm using heartbeat to control the IP address > assignment. > > The vpopmail & roundcubemail DB's are being replicated between the two, > and I've setup a test front-end machine which accesses those databases and > mounts the NFS4 export (which contains my qmail config, squirrelmail data, > and I'm working on getting the rcm stuff on there as well). I'm just > working on tightening the firewall a bit, then they should be ready to take > down to the data center and get hooked up and begin testing. > > Well that's about it. I'm thinking if all goes well with testing I may do > a little write up for the wiki in case any other have any interest in > setting up a similar system. Thanks again for everyone that's answered my > incredibly long emails and never-ending questions :-) > > -- > Casey Price > > Smile Global Technical Support > Submit or check trouble tickets http://billing.smileglobal.com > www.smileglobal.com > > Follow us on Twitter <https://twitter.com/#%21/SmileInternet> > Like us on Facebook <https://www.facebook.com/smileglobal> >
