On Wed, Dec 12, 2007 at 05:23:28PM -0000, Rodrigo Pereira wrote: > > > > > On Tue, Dec 11, 2007 at 06:42:59PM -0000, Rodrigo Borges > > Pereira wrote: > > > Hello, > > > > > > I just want to confirm this. From what i've learned so far, > > STONITH is > > > relevant only to avoid data corruption when using shared > > storage. So, > > > is STONITH relevant when i'm using a non-shared setup with > > Heartbeat > > > and XEN VM on top of DRBD? Xen is using file images created > > on top of > > > a ext3 FS on top of DRBD, and there should not be any > > concurrent access. > > > > Here you say yourself that you need STONITH :) > > I guess i shouldn't have used the "should" word :) I think the key fact here > is that i am running the virtual machine on just one node and on top of > DRBD, in any given moment. A concurrency scenario would happen if i'd have > two virtual machines using the same virtual disk file, running each on it's > node, and over DRBD set to primary/primary. Is this something that could > really happen in case of mis-configuration of the cluster and/or lack of > STONITH?
Yes, in case there's a split brain (lack of communication between the two nodes). But I'm not sure I understand your configuration: your cluster consists of two Xen resources, right? Thanks, Dejan > > tks, > rodrigo > > > > > Thanks, > > > > Dejan > > > > > _______________________________________________ > 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
