new feature

hi all,

I have lately missed a feature which might could be of interest for others. What I would like to have is an extra dimension in the GUI. At present you are able to see a list of disk on every storage backend as well as a list of every VM running on a given node but I would suggest having an extra dimension which would for each storage backend list every VM with a disk on the given storage.

Reason: When you need to restart a node it could be nice to quickly identify which VM's will be affected by said node restart. This would play nicely together with my storage migrate module.