oVirt node-ng update fix

Having problems updating some of your oVirt nodes? Chances are you might have a var_crash volume you need to manually remove and/or ran out of space on your PV/VG if you are running rather small disks on your node.

For a quick fix, SSH into your node and run those:

To upgrade your image, then run

Reboot your node and run an upgrade via the engine webinterface once again to make sure you’re now on the latest release.