[libvirt-users] sanlockd, virtlock and GFS2

Franky Van Liedekerke liedekef at telenet.be
Fri May 3 09:07:52 UTC 2013


On 2013-05-03 10:51, Daniel P. Berrange wrote:
> On Fri, May 03, 2013 at 10:39:33AM +0200, Franky Van Liedekerke wrote:
>> Virtlockd
>> =========
>> Since sanlock was not working as expected, I tried virtlockd. This
>> seems to be working well, but: live migration fails because the file
>> on the shared disk (used for locking) is being locked by the
>> original server running the VM. So when trying to do live migration,
>> this fails and leaves the VM paused on the original server. Trying
>> to migrate a paused server then works ok, but that's of course not
>> live migration.
> 
> That would be a bug - the lock is suposed to be released on the
> source & re-acquired on the dest at the switch-over point.
> 
> Daniel

Okay ... anyway to test/debug that? Any gfs2 options to take into 
account? I can recompile virtlockd if wanted ...

Franky




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