[Pacemaker] [Question]About "sequential" designation of resource_set.

Fri Mar 22 01:54:31 UTC 2013

On Fri, Mar 22, 2013 at 12:34 PM,  <renayama19661014 at ybb.ne.jp> wrote:
> Hi Andrew,
>
> Thank your for comments.
>
>> > > You use the resource sets _instead_ of a group.
>> > > If you want group.ordered=false, then use a colocation set (with
>> > > sequential=true).
>>
>> In "colocation", I used "resource_set".
>> However, a result did not include the change.
>> Will this result be a mistake of my setting?
>>
>> Case 1) sequential=false
>> (snip)
>>     <constraints>
>>       <rsc_colocation id="test-colocation" score="INFINITY">
>>         <resource_set sequential="false" id="test-colocation-resource_set">
>>           <resource_ref id="vip-master"/>
>>           <resource_ref id="vip-rep"/>
>>         </resource_set>
>>       </rsc_colocation>
>>     </constraints>
>>
>> What are trying to achieve with this?  It doesn't do anything because there is nothing to collocate master or rep with.
>> The only value here is to show that rep would not be stopped when master is.
>
> However, you made next reply.
> I used colocation_set in substitution for ordered=false.
>
>>>You use the resource sets _instead_ of a group.
>>>If you want group.ordered=false, then use a colocation set (with
>>>sequential=true).
>>>If you want group.colocated=false, then use an ordering set (with
>>>sequential=true).
>
> After all is it right that the substitute for ordered=false of group sets order_set?

Sorry, I'm not sure I understand the question.

>
> Best Regards,
> Hideo Yamauchi.
>
>
>
> --- On Fri, 2013/3/22, Andrew Beekhof <andrew at beekhof.net> wrote:
>
>>
>>
>> On Thursday, March 7, 2013,   wrote:
>> Hi Andrew,
>>
>> > > You use the resource sets _instead_ of a group.
>> > > If you want group.ordered=false, then use a colocation set (with
>> > > sequential=true).
>>
>> In "colocation", I used "resource_set".
>> However, a result did not include the change.
>> Will this result be a mistake of my setting?
>>
>> Case 1) sequential=false
>> (snip)
>>     <constraints>
>>       <rsc_colocation id="test-colocation" score="INFINITY">
>>         <resource_set sequential="false" id="test-colocation-resource_set">
>>           <resource_ref id="vip-master"/>
>>           <resource_ref id="vip-rep"/>
>>         </resource_set>
>>       </rsc_colocation>
>>     </constraints>
>>
>> What are trying to achieve with this?  It doesn't do anything because there is nothing to collocate master or rep with.
>> The only value here is to show that rep would not be stopped when master is.
>>  (sip)
>> [root at rh63-heartbeat2 ~]# grep "Initiating action" /var/log/ha-log
>> Mar  8 00:20:52 rh63-heartbeat2 crmd: [22372]: info: te_rsc_command: Initiating action 2: probe_complete probe_complete on rh63-heartbeat1 - no waiting
>> Mar  8 00:20:52 rh63-heartbeat2 crmd: [22372]: info: te_rsc_command: Initiating action 3: probe_complete probe_complete on rh63-heartbeat2 (local) - no waiting
>> Mar  8 00:20:55 rh63-heartbeat2 crmd: [22372]: info: te_rsc_command: Initiating action 4: monitor vip-master_monitor_0 on rh63-heartbeat1
>> Mar  8 00:20:55 rh63-heartbeat2 crmd: [22372]: info: te_rsc_command: Initiating action 7: monitor vip-master_monitor_0 on rh63-heartbeat2 (local)
>> Mar  8 00:20:55 rh63-heartbeat2 crmd: [22372]: info: te_rsc_command: Initiating action 5: monitor vip-rep_monitor_0 on rh63-heartbeat1
>> Mar  8 00:20:55 rh63-heartbeat2 crmd: [22372]: info: te_rsc_command: Initiating action 8: monitor vip-rep_monitor_0 on rh63-heartbeat2 (local)
>> Mar  8 00:20:55 rh63-heartbeat2 crmd: [22372]: info: te_rsc_command: Initiating action 6: probe_complete probe_complete on rh63-heartbeat2 (local) - no waiting
>> Mar  8 00:20:56 rh63-heartbeat2 crmd: [22372]: info: te_rsc_command: Initiating action 3: probe_complete probe_complete on rh63-heartbeat1 - no waiting
>> Mar  8 00:20:56 rh63-heartbeat2 crmd: [22372]: info: te_rsc_command: Initiating action 5: start vip-master_start_0 on rh63-heartbeat1
>> Mar  8 00:20:58 rh63-heartbeat2 crmd: [22372]: info: te_rsc_command: Initiating action 1: stop vip-master_stop_0 on rh63-heartbeat1
>>
>>
>> Case 2) sequential=true
>> (snip)
>>     <constraints>
>>       <rsc_colocation id="test-colocation" score="INFINITY">
>>         <resource_set sequential="true" id="test-colocation-resource_set">
>>           <resource_ref id="vip-master"/>
>>           <resource_ref id="vip-rep"/>
>>         </resource_set>
>>       </rsc_colocation>
>>     </constraints>
>> (snip)
>> [root at rh63-heartbeat2 ~]# grep "Initiating action" /var/log/ha-log
>> Mar  7 23:54:44 rh63-heartbeat2 crmd: [22224]: info: te_rsc_command: Initiating action 2: probe_complete probe_complete on rh63-heartbeat1 - no waiting
>> Mar  7 23:54:44 rh63-heartbeat2 crmd: [22224]: info: te_rsc_command: Initiating action 3: probe_complete probe_complete on rh63-heartbeat2 (local) - no waiting
>> Mar  7 23:54:48 rh63-heartbeat2 crmd: [22224]: info: te_rsc_command: Initiating action 4: monitor vip-master_monitor_0 on rh63-heartbeat1
>> Mar  7 23:54:48 rh63-heartbeat2 crmd: [22224]: info: te_rsc_command: Initiating action 7: monitor vip-master_monitor_0 on rh63-heartbeat2 (local)
>> Mar  7 23:54:48 rh63-heartbeat2 crmd: [22224]: info: te_rsc_command: Initiating action 5: monitor vip-rep_monitor_0 on rh63-heartbeat1
>> Mar  7 23:54:48 rh63-heartbeat2 crmd: [22224]: info: te_rsc_command: Initiating action 8: monitor vip-rep_monitor_0 on rh63-heartbeat2 (local)
>> Mar  7 23:54:48 rh63-heartbeat2 crmd: [22224]: info: te_rsc_command: Initiating action 6: probe_complete probe_complete on rh63-heartbeat2 (local) - no waiting
>> Mar  7 23:54:49 rh63-heartbeat2 crmd: [22224]: info: te_rsc_command: Initiating action 3: probe_complete probe_complete on rh63-heartbeat1 - no waiting
>> Mar  7 23:54:49 rh63-heartbeat2 crmd: [22224]: info: te_rsc_command: Initiating action 5: start vip-master_start_0 on rh63-heartbeat1
>> Mar  7 23:54:51 rh63-heartbeat2 crmd: [22224]: info: te_rsc_command: Initiating action 1: stop vip-master_stop_0 on rh63-heartbeat1
>>
>>
>>
>> You set target-role=stopped for master but rep did not stop?
>> If so that is certainly a bug.
>>
>> Best Regards,
>> Hideo Yamauchi.
>>
>>
>> _______________________________________________
>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>
>> Project Home: http://www.clusterlabs.org
>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> Bugs: http://bugs.clusterlabs.org
>>
>
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org