On Wed, 2007-12-12 at 19:23 +0100, Paolo Marini wrote: > I reiterate the request for help hoping someone has undergone (and > hopefully solved) the same issues. > > I am building up a cluster of XEN Guests with root file system residing > on a file on an GFS filesystem (iscsi actually). > > Each cluster node mounts an GFS file system residing on an iscsi device. > > For performance reasons, both the iscsi device and the physical nodes > (part also of a cluster) use two gigabit ethernet with bonding and LACP. > For the physical machines, I had to insert a sleep 30 on the > /etc/init.d/iscsi script before the iscsi login, in order to wait for > the bond interface to come up, otherwise the iscsi devices are not seen > and no gfs mount is possible. > > Then, going to the cluster of XEN Guests, they work fine, I am able to > migrate each one to a different physical node without problems on the guest. > > When I reboot or fence one of the guests, the guest cluster breaks, e.g. > the quorum is dissolved and I have to fence ALL the nodes and reboot > them in order for the cluster to restart. How many guests - and what are you using for fencing ? > Does it have to do with the xen bridge going up and down for a time > longer than the heartbeat timeout ? Not sure - it shouldn't be that big of a deal. If you think that's the problem try adding: <totem token="30000"/> to the vm cluster's cluster.conf -- Lon -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
