>> I live migrate the VM's to the node that is staying up, then >> back > again when the reboot is complete. > > 2 questunes here , > - what happen if the reboot is at night(self reboot of the > server) iv seen it happen > and nobody there to do the migration ? the all thing breaks ? You can use things like cluster suite or ultra monkey to auto migrate, or restart vm's in the case of a crash or reboot, but this is off-topic. > - what do you mean migrating ? > as i understand kvm migration is move images from a server to > another with the same storage so the storage is the same anyway . The instance of the running VM is relocated to another server using the same storage, yes. > also migration will need to use the gluster mount point anyway so > we stay with the running server only while the other still > offline Yes, works for me ;) > The all things looks very uncomftable or am i wrong ? > I thought maybbe there is a way to work this without bothering > KVM etc.. :) and just let it work , kind of laisy with this > things :) Sounds like you're looking for a cluster frame work, outside the scope of glusterfs, which is just a FS. Jeff.