Hi, On Thu, Nov 26, 2009 at 02:37:10PM +0100, Lars Johansen wrote: > Hi, > > I have a 2 cluster setup running heartbeat 2.1.3. > > Im running a active/passive setup, where I have mysql in master<-> master > replication, stored on each nodes filesystem, and I have a DRBD drive with > NFS. > > Pulling cables, shuttding down server etc. works very well.. the "alive" > server takes over.. > > However Ive tried to simulate a "server freeze" by create a forkbomb on the > active server, after doing that, I cannot log in with ssh, access nfs or > mysql, ping works, and I guess since the kernel responds, heartbeat wont > switch over.
It's not the kernel, but the heartbeat process which sends messages. The only difference to other processes is that it runs at the highest priority, so it may be possible to have heartbeats, but no services... > How can I setup heartbeat so it detects if a server is frozen? ... What about resource monitoring? If the node is overwhelmed, as you say it is, then some monitors should timeout or fail, right? Thanks, Dejan > > Greetings, > > LArs > _______________________________________________ > 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
