[libvirt-users] Sanlock gives up lock when VM is paused

[Daniel P. Berrange]

On Thu, Jan 31, 2013 at 11:02:15AM -0800, Michael Rodrigues wrote:
> On 1/31/2013 10:40 AM, Daniel P. Berrange wrote:
> >On Thu, Jan 31, 2013 at 10:35:17AM -0800, Michael Rodrigues wrote:
> >>Hi Daniel,
> >>
> >>I thought migration might be the reason, but I'm still not seeing
> >>the behavior you describe with regards to pausing. I saw the
> >>following behavior:
> >>
> >>1. Created VM on node 1
> >>2. Started VM on node 1
> >>3. Migrated VM to node 2, node 1 is now shutdown, node 2 is running
> >>4. I paused node 2
> >>5. I started node 1, no error
> >>6. Paused node 1
> >>7. Unpaused node 2, no err
> >>
> >>I thought maybe the original VM had to be paused first, so I tried
> >>that as well:
> >>
> >>1. Created VM on node 1
> >>2. Started VM on node 1
> >>3. Migrated to node 2, node 1 is now shutdown, node 2 is running
> >>4. I shutdown node 2 instead of pausing
> >>5. I started node 1
> >>6. I paused node 1
> >>7. Started node 2
> >>8. Paused node 2
> >>9. Started node 1
> >Hmm, that isn't supposed to be possible. When you paused node 1
> >in step 6, it was supposed to record the lease version number.
> >When you resume in step 9, the version number should mis-match
> >due to step 7, and thus sandlock ought to have caused an error
> >at step 9. If that didn't happen, then I believe we have a bug
> Should I file a report? I'm not really a developer but I can provide
> whatever information is necessary for a proper report. I don't have
> RHEL or a bugzilla account.

Yes, please do file a bug report including this scenario to
reproduce

Daniel
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