On Tue, Aug 21, 2012 at 8:49 AM, Dimitri Maziuk <[email protected]> wrote: > On 08/20/2012 05:01 PM, Yount, William D wrote: >> I am trying to set up an Active/Active cluster. I have an > Active/Passive cluster up and running. > > I don't remember seeing a clear explanation of when, where, and why > you'd actually want an active/active cluster. I never needed one myself, > so can't really help you there. > >> I don't understand how it could be called an Active/Active cluster >> if you aren't allowed to run the IP address on two servers at once. > > You are not allowed to run the IP address on two servers at once, full > stop. Complain to Rob Kahn and Vint Cerf.
Thats not strictly true. But you do need some fun iptables rules to ensure requests only make it through to a single machine (eg. by using a hash function to sort requests into 1 of N "buckets"). Its a poor-mans load balancer. IPaddr2 has such functionality. _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
