[pve-devel] does /etc/pve support flock?

[Dietmar Maurer]

> One workaround is to define an 'owner' node. We use that for VM configs.
> That way you only need to hold the global lock when you create or move
> VMs. For other operations it is good enough to acquire a local lock. Only the
> 'owner' can move a VM.

I guess you could also use rgmanager to keep a task running on exactly one node (if you
have a HA setup with fencing).