[Pacemaker] group logic in hb_gui

Yan Gao ygao at novell.com
Fri Dec 24 00:49:00 EST 2010


On 12/24/10 04:55, Bart Coninckx wrote:
> On Wednesday 22 December 2010 06:30:36 Yan Gao wrote:
>> On 12/22/10 04:16, Bart Coninckx wrote:
>>> All,
>>>
>>> I recently jumped from the hb_gui version of SLES10 to the one in SLES11.
>>> I noticed that the "colocated" and "ordered" properties of a group
>>> cannot be set anymore. Should I assume that the ordering is now
>>> determined by the order of the shown list (and hence the reason of being
>>> able to shift resources up and down in the list)?
>>
>> Correct.
>>
>>> And is colocation now by default on for resources in a
>>> group or should I now handle both ordering and colocation with
>>> constraints?
>>
>> The "ordered" and "colocated" attributes of a group default to "true".
>>
>> Regards,
>>   Yan
> 
> Hi,
> 
> thx! So if I observe some of my iSCSILogicalUnit resource instances stop and I 
> can't start them, that is not related to the fact that Pacemaker tries to 
> start them on another node? 
It's hard to say without a hb_report.

> The default colocation of the group they belong to
> should prevent that?
The default colocation of a group prevent its members from running on
different nodes.

Regards,
  Yan
-- 
Yan Gao <ygao at novell.com>
Software Engineer
China Server Team, OPS Engineering, Novell, Inc.




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