Ken Rossman said: > I was wondering if anyone on this list had successfully built and run a > "cluster" of two or more machines that could hand off the responsibility > of being the main mail server (sendmail, and possibly qpopper added in > for certain clients) back and forth as needed. > > This does not have to be an automatic switchover, but I am looking for a > "neat" way to do this. I would think this would involve hostname > aliasing and switching perhaps - maybe even some kind of round robin DNS > setup (???) although I suppose I have to worry about where the central > mail spool lives too. > > Anyone done anything like this, and/or have any thoughts about it they > would be willing to share? > > tnx, > Ken Look into DRBD, http://www.drbd.org, and Heartbeat, http://www.linux-ha.org, both open source projects. DRBD will replicate a partition in real-time, kind of like a RAID 1 set up over the network. Heartbeat will provide you with the automatic switchover in case the primary server goes down. The current issue of Linux Magazine, http://www.linux-mag.com/, highlights both of these this month. Chris -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
