[pve-devel] UUID for VM's and disks

[Dietmar Maurer]

> The use of VMID's for disks is becoming an issue for us with Ceph.  We
> cannot have multiple PVE clusters sharing the same pool on Ceph as
> there will be duplicate VMID's across the clusters that will result in
> a clash of RBD names on Ceph.  I am sure this would be an issue with
> iSCSI+ZFS as well.

The suggestion is to use different pools.


> Using UUID's for VM's would have benefits when using an external
> application to manage multiple PVE clusters.

Why? What application do you talk about exactly?