On Wed, Feb 10, 2010 at 4:31 PM, F M <dist-l...@lexum.umontreal.ca> wrote:
> Hello, > I need to upgrade a Xen cluster using RH servers from 5.3 to 5.4. > > It is a 3 nodes cluster (+qdisk) and 1 luci server for management. > > All VM are in a GFS2 FS in /home/domU/FQDN folders. > > Each FQDN folder contains : > -The xen config file > -the VM FQDN.img file > > I read about some issues with rgmanager from 5.4 (unable to create VM > config files that were not in /etc/xen). This bug has been fixed in > rgmanager-2.0.52-1.el5_4.1 > Can I safely apply the update without modifying any config made with 5.3 ? > Do I need to tweak the cluster.conf between 5.3 and 5.4 ? > I had to add use_virsh="0" in cluster.conf to start vm as a cluster service. Like this: <vm autostart="1" domain="fd1" exclusive="0" hypervisor="xen" max_restarts="0" migrate="live" name="abc.domain.com" path="/guests" recovery="restart" restart_expire_time="0" use_virsh="0"/> Thanks Paras > Also, > Is it better to upgrade the luci server before the nodes ? > > I am also curious about the nodes, what is the best practice : moving VM , > removing the node from the cluster, upgrading and then reboot, see if > everything is fine and go for the next one after that ? Can I stay with a > mix of 5.3 and 5.4 for several days ? > > Regards, > > F > > -- > Linux-cluster mailing list > Linux-cluster@redhat.com > https://www.redhat.com/mailman/listinfo/linux-cluster >
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