Tom Parker <[email protected]> writes:

> On 09/17/2013 04:18 AM, Lars Marowsky-Bree wrote:
>
>> On 2013-09-16T16:36:38, Tom Parker <[email protected]> wrote:
>>
>>> It definitely leads to data corruption and I think has to do with the
>>> way that the locking is not working properly on my lvm partitions. 
>>
>> Well, not really an LVM issue. The RA thinks the guest is gone, the
>> cluster reacts and schedules it to be started (perhaps elsewhere); and
>> then the hypervisor starts it locally again *too*.
>
> I mean the locking of the LVs.  I should not be able to mount the same
> LV in two places.  I know I can lock each LV exclusive to a node but I
> am not sure how to tell the RA to do that for me.

CLVM can provide exclusive activation, but that would make live
migration impossible.
-- 
Feri.
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