[Pacemaker] The placement strategy of the group resource does not work well

Gao,Yan ygao at novell.com
Thu Jul 7 12:45:06 UTC 2011


Hi Yuusuke,
Thanks a lot for the report and the patch!

I somewhat prefer simplifying the policy, like the attached patch.

What do you think about it? Could you please give it a try?

Regards,
  Yan


On 06/30/11 16:36, Yuusuke IIDA wrote:
> Hi, Yan
> 
> I wrote a patch for Pacemaker-dev to solve this problem.
> 
> I want you to confirm the patch.
> 
> I want a repository to merge it if there is not a problem.
> 
> Best Regards,
> Yuusuke
> 
> (2011/06/20 16:10), Yuusuke IIDA wrote:
>> Hi, Yan
>>
>> I wanted to scatter transition of the group resource, however failed.
>>
>>   * Initial state
>> Online: [act1 sby1 sby2]
>> Full list of resources:
>>   Resource Group: grp1
>>       rsc1       (ocf::pacemaker:Dummy): Started act1
>>   Resource Group: grp2
>>       rsc2       (ocf::pacemaker:Dummy): Started act1
>>   Resource Group: grp3
>>       rsc3       (ocf::pacemaker:Dummy): Started act1
>>
>>   * When I let you break down in order of grp1 ->  grp2 ->  grp3.
>> Online: [act1 sby1 sby2]
>> Full list of resources:
>>   Resource Group: grp1
>>       rsc1       (ocf::pacemaker:Dummy): Started sby1
>>   Resource Group: grp2
>>       rsc2       (ocf::pacemaker:Dummy): Started sby2
>>   Resource Group: grp3
>>       rsc3       (ocf::pacemaker:Dummy): Started sby1
>>
>>   * When I let you break down in order of grp3 ->  grp2 ->  grp1. (there is a problem)
>> Online: [act1 sby1 sby2]
>> Full list of resources:
>>   Resource Group: grp1
>>       rsc1       (ocf::pacemaker:Dummy): Started sby1
>>   Resource Group: grp2
>>       rsc2       (ocf::pacemaker:Dummy): Started sby1
>>   Resource Group: grp3
>>       rsc3       (ocf::pacemaker:Dummy): Started sby1
>>
>> As for this, will not it be right like primitive resource to be dispersed
>> transition?
>>
>> I attach hb_report when a problem happened.
>>
>> Best Regards,
>> Yuusuke
>>
-- 
Gao,Yan <ygao at suse.com>
Software Engineer
China Server Team, SUSE.
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