[Xen-users] Xen cannot acquire a running lock.

[Benjamin Weaver <benjamin.weaver@xxxxxxxxxxxxx>]

On a box running Debian Squeeze and Xen 4.0, I want to implement file 
locking so as to prevent any node of a Xen cluster from starting the 
same VM twice. I have configured OCFS2 and have the cluster running.
But when attempt to create a VM with locking turned on, I get an error:

Error: The VM is locked and appears to be running on host unknown. The 
vm is never created.
if look at xm log, I see that this message is thrown because Xen cannot 
acquire the lock. The error reads, something like
failed to acquire a running_lock. Status = 32512

This seems to indicate Xen is looking for a file it cannot find.

What is the problem? Do I have to configure OCFS2 locking permissions, 
or use the OCFS2 Distributed Lock Manager?
Thanks in advance!


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