Hi, On Thu, Nov 27, 2008 at 10:45:30AM +0100, Luis Motta Campos wrote: > Nagaraja, Madhukar (Madhukar) wrote: > > Hello luis motta campos, > > > > Well I did not completely misunderstand. > > And your response cleared my understanding. > > > > Basically, I want all the eth interfaces to be part of the ha > > clustering. Bcos we the need the same ip addresses on both the active > > and passive one, I mean when the passive becomes active, the ip address > > of the active has to be used by passive. > > > > I will do more investigations and back with more querries :-) > > I can be mistaken, but I believe that there must be constant > communication between the nodes of the cluster, or the CRM will declare > the non-communicating nodes dead.
Right. > It means that there must be an IP address fixed on every host in the > cluster, or you should use heartbeat over a serial interface (which I am > not sure stills supported). Serial is sort-of supported, because if your configuration gets large the serial may have problems keeping up with the amount of data. > My implementation have different nodes of the cluster in different data > centres, to increase reliability. It also implies that there's no serial > communication between them, and everything depends on IP. I have several > different networks attached to the host, and am researching a way to > assure that heartbeat can use any of the cables in any of the networks > to send and receive heartbeat signal. Communication between nodes is essential. The more resilient it is the better. Thanks, Dejan > I hope that this gives you more insights. > > Regards > -- > Luis Motta Campos is a software engineer, > Perl Programmer, foodie and photographer. > _______________________________________________ > Linux-HA mailing list > Linux-HA@lists.linux-ha.org > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
