[libvirt] Bug 526913 - libvirt does not lock disk files

[Daniel P. Berrange]

On Fri, Mar 19, 2010 at 04:21:43PM -0400, Ric Foster wrote:
> 
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=526913
> 
> Will this bug get fixed?  I had hoped the using CLVM would keep the
> guest disk image from getting corrupted if a running guest was
> inadvertently started on another cluster node. 

There is a plan for fixing this, but I've not had time to write up the 
proposal for the mailing list, nor work on implementation.  We don't
want to hardcode a simple fcntl() style locking, since some of our users
have needs for other locking mechanisms (libdlm, and Disk Paxos)


Daniel
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