Hi, On Tue, 2013-11-26 at 14:29 +0200, Vladimir Melnik wrote: > On Tue, Nov 26, 2013 at 12:15:31PM +0000, Steven Whitehouse wrote: > > Well the logs appear to suggest that one of the nodes at least has been > > fenced at some stage. > > I have to admit that fencing hasn't been enabled in this cluster, 90% of > jobs on these 2 nodes are working with other storage that is accessible > by NFS. So it wouldn't be okay to reboot a node due to any problems with > GFS2. > In which case, get fencing configured first. Otherwise the first time there is a problem, you risk data corruption. There is a very good reason that fencing is required. It sounds like your overall config needs a bit of a rethink, Steve. > > > It seems that it has happened due to some traffic congestion. > > Do you have separate networks for cluster traffic and other traffic? > > That will help to prevent this kind of thing. Also you can use tc to > > ensure that the cluster traffic will always get through. > > Oh, yes, I'm going to use a separate physical NICs for interaction with > that storage, but it hasn't been implemented yet. > > Thank you. > -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster