Hi, On Mon, Oct 22, 2007 at 02:45:42PM +0200, Riccardo Perni wrote: > Hello to all, > it is several days that I'm trying to set-up a split-site cluster but > with scarce results. > > Since the two cluster nodes will be several Km away I cannot set up a > reliable communication media between them, so I have to run heartbeat on the > main Ethernet; I hoped that using pingd and an external ping site could > help me to solve the potential conflict that will showup, but probably I'm > not smart enough to solve this problem... Can someone help me? > > Actually I've set up a test using virtual machines > Only one resource is running (a virtual IP using ocf:IPaddr) and only one > constraint copied from linux-ha.org pingd FAQ. > All seems to work right and if I broke the network connectivity of one of > the nodes the resource is runned by the node with woking network; but both > nodes get the "dc" status and when the connectivity is restored I have a > split-brain condition with both nodes running the resource.
Right, because you can't prevent split-brain this way. What you may prevent though is running a resource on the node which lost connectivity. What does exactly happen once the connectivity's restored? Can you post logs for that? > Is it possible > to handle this situation? You may try quorumd. See http://www.linux-ha.org/QuorumServerGuide Thanks, Dejan > Thankyou > Riccardo > > > > > _______________________________________________ > 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
