Hi, On Thu, Aug 02, 2012 at 12:07:54PM +0200, Ulrich Windl wrote: > Hi! > > Things I've seen with SLES11 SP1 and a two-node cluster was this: > > If only one node is alive, it takes quite some time (about 20 minutes) until > the node becomed new domain controller. Ocassionally even if the second node > comes up, both nodes cannot agree who's DC for quite some while. Nothing will > happen unless there's a DC, and nothing will happen if the cluster has no > quorum.
That definitely deserves a bug report. Thanks, Dejan > Maybe check those. Reading syslog messages may help you to understand what's > going on. I still don't understand all the stuff thst's happening, but after > some time you learn what "just happens". > > BTW: Is there anybody there to explain all the "synapse" and "firing" stuff? > Years ago I was quite good in neurophysiology, but I cannot relate it to > cluster resources ;-) > > Regards, > Ulrich > > >>> "Yount, William D" <[email protected]> schrieb am > >>> 02.08.2012 um > 10:43 in Nachricht > <11893698c5a8c84ea0b5484deb54e375025a983...@dcxprcl018.cnf.prod.cnf.com>: > > Attached is my cib.xml file. > > > > I have a two node DRBD cluster setup in Active/Active. For whatever reason, > > it seems all my resources are attached to Node2. What I mean by that is > > that > > although the resources show that they are collocated, whenever I turn Node2 > > > > off or unplug a cable from Node2, then the cluster goes down. I wait to see > > if they come back up on the other node (although they should already be > > running as it is an Active/Active cluster) but they never do, even after 10 > > minutes. With Node2 off, I can't even ping the collocated IP address. > > However, if I turn off Node1 while Node2 is running, nothing goes down. > > > > I am using the LCMC to give me a graphical overview of the setup and the > > screen seems to indicate that everything is okay. I believe it has to do > > with > > my fencing agent which is pacemaker. I know that even though it is set to > > turn a node off if there is an issue, the node never seems to shutdown. It > > complains that devices are busy and it can't reboot. > > > > I am just hoping someone can take a look at my configuration and see if > > there is anything that stands out. If it is the fencing agent, is there a > > better fencing agent? > > > > > > William > > > > > > > > > _______________________________________________ > 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
