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

Roberto Giordani r.giordani at libero.it
Tue Apr 27 15:24:55 EDT 2010


Hi Andrew,
probably ther is my mistake.
I'd like to add a second file system mounted on the guest xen, this file 
system is not the main files sytem where run the O.S., but is a file 
system that use the xen machine for file sharing for example.
Is it not possible?

Regards,
Roberto
On 04/27/2010 09:09 PM, Andrew Beekhof wrote:
> 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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>>      
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