It does currently enforce 1 volume at a time, although I have noticed some buggy behaviour with the feature, for example queuing the next volume but never doing it, I haven't debugged these issues though.
Marty On Wednesday, August 14, 2013, Nitin Mehta wrote: > With the current implementation of snapshots for kvm I think its a bug. It > should be creating snapshot of only 1 volume belonging to a vm at a time > > On 14/08/13 5:10 PM, "Sanjeev Neelarapu" > <sanjeev.neelar...@citrix.com<javascript:;> > > > wrote: > > >Hi, > > > >This regarding snapshot process in KVM. Does libvirt allow creating > >snapshots on two disks of a vm at the same time? > >I have deployed a vm with root and data disk. Configured recurring > >snapshot policies on both root disk and data disk and snapshot process > >triggered on both the disks with difference of 1 sec. > >But one of them failed with libvirt exception: > >Failed to manage snapshot: org.libvirt.LibvirtException: Timed out during > >operation: cannot acquire state change lock > > > >Is this expected? If yes could you specify the reason for my > >understanding? > > > >Thanks, > >Sanjeev > >
