[Pacemaker] Only Xen primitives not in groups migrate on failover

[Andrew Beekhof]

On Tue, Apr 27, 2010 at 8:54 PM, Roberto Giordani <r.giordani at libero.it> wrote:
> Hello,
> this mean that if i create a group with a file system + xen the live
> migration doen't work?

Correct.
You'd need to use a cluster filesystem (or some other arrangement that
could be cloned sanely) and colocate the xen instance with that.

>
> Regards,
> Roberto.
> On 04/27/2010 08:41 PM, Andrew Beekhof wrote:
>>
>> On Tue, Apr 27, 2010 at 6:39 PM, Michael Brown<michael at netdirect.ca>
>>  wrote:
>>
>>>
>>> Greetings,
>>>
>>> I've discovered that if I have ocf::hb:Xen resources as primitives, they
>>> migrate to other nodes on failover.
>>>
>>> But if they are members of a group, the domUs stop/start. Am I doing it
>>> wrong?
>>>
>>
>> No.  The semantics of groups prohibit live migration.
>>
>>
>>>
>>> I'd like to use the groups to minimize the amount of config I
>>> need for each VM.
>>>
>>> Here's my current config: http://pastebin.com/LSqWvtEx
>>>
>>> guest1 stops/starts when triggered
>>> guest3 migrates when triggered
>>>
>>> Thanks,
>>>
>>> Michael
>>>
>>> --
>>> Michael Brown               | `One of the main causes of the fall of
>>> Systems Consultant          | the Roman Empire was that, lacking zero,
>>> Net Direct Inc.             | they had no way to indicate successful
>>> ☎: +1 519 883 1172 x5106    | termination of their C programs.' - Firth
>>>
>>>
>>>
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>>
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>
>
>
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