uhmmm, I do not know about that. I am using RHEL 5 cluster and basically I use it for HA but currently I have no cable connecting each of the 2 hosts. They are aware of each other via the network.
Thanks, Néstor :-) On Wed, Sep 30, 2009 at 6:10 AM, Jakob Curdes <[email protected]> wrote: > Néstor schrieb: > > We have a host HA for our web server and we are planning on putting the > back > > up server > > on another building. > > > > Is it true that you can not have an HA with host on separate subnets? > > > The problem is not the subnets, the main problem is that you need *at > least* two separate network connections (or a serial line cable) between > the hosts. > This is absolutely necessary to avoid "split-brain" scenarios - if the > only link fails, both servers will happily declare themselves active. So > if you have several physical cables between the buildings, you should > have no problems. > > hth, j.curdes > > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems > _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
