[Pacemaker] [Question]About "sequential" designation of resource_set.
Andrew Beekhof
andrew at beekhof.net
Mon Apr 8 01:35:33 EDT 2013
On 08/04/2013, at 2:52 PM, renayama19661014 at ybb.ne.jp wrote:
> Hi Andrew,
>
> Thank you for comments.
>
>>> Using ordering_set and colocation_set, is it impossible to perform movement same as "ordered=false" of the group resource?
>>
>> Yes, because they're not the same thing.
>>
>> Setting "sequential=false" is not at all like setting "ordered=false".
>> Setting "ordered=false" is the equivalent of _removing_ <rsc_order id="test-order"> completely.
>
> Which next case does your answer correspond to?
I was answering Case 4 as thats where I saw the '?'.
However it equally applies to all cases.
If you do not want ordering, do not define an ordering constraint.
>
> Case 1) Cannot replace "ordered=false" of group with "sequential". Therefore, the "ordered" attribute of the group resource continues being supported from now on.
>
> Case 2) It works in the same way if I exclude rsc_order id="test-order" like the next setting. (rsc_colocation sequential="false", remove rsc_order id="test-order".)
>
> (snip)
> <resources>
> <group id="testGroup01">
> <primitive class="ocf" type="Dummy" provider="heartbeat" id="vip-master">
> <operations>
> (snip)
> <primitive class="ocf" type="Dummy" provider="heartbeat" id="vip-rep">
> <operations>
> </group>
> (snip)
> <constraints>
> <rsc_colocation id="test-colocation">
> <resource_set sequential="false" id="test-colocation-resource_set">
> <resource_ref id="vip-master"/>
> <resource_ref id="vip-rep"/>
> </resource_set>
> </rsc_colocation>
> </constraints>
> (snip)
>
> Case 3) There is a method to set ordered="false" of group elsewhere.
>
> Best Regards,
> Hideo Yamauchi.
>
>
>
> --- On Mon, 2013/4/8, Andrew Beekhof <andrew at beekhof.net> wrote:
>
>>
>> On 22/03/2013, at 3:17 PM, renayama19661014 at ybb.ne.jp wrote:
>>
>>> Hi Andrew,
>>>
>>> Thank you for comments.
>>>
>>> We demand time and the same movement that appointed ordered=false of the group resource.
>>>
>>> * Case 0 - group : orderded=false
>>> * At the time of orderded=false, it takes start of vip-rep. ------------> We demand!!
>>> {{{
>>> (snip)
>>> <resources>
>>> <group id="testGroup01">
>>> <meta_attributes id="master-group-meta_attributes">
>>> <nvpair id="master-group-meta_attributes-ordered" name="ordered" value="false"/>
>>> </meta_attributes>
>>> <primitive class="ocf" type="Dummy1" provider="heartbeat" id="vip-master">
>>> <operations>
>>> <op id="op-Dummy01-start" interval="0" name="start" timeout="60s" on-fail="restart"/>
>>> <op id="op-Dummy01-monitor" interval="10" name="monitor" timeout="60s" on-fail="restart"/>
>>> <op id="op-Dummy01-stop" interval="0" name="stop" timeout="60s" on-fail="block"/>
>>> </operations>
>>> </primitive>
>>> <primitive class="ocf" type="Dummy2" provider="heartbeat" id="vip-rep">
>>> <operations>
>>> <op id="op-Dummy02-start" interval="0" name="start" timeout="60s" on-fail="restart"/>
>>> <op id="op-Dummy02-monitor" interval="10" name="monitor" timeout="60s" on-fail="restart"/>
>>> <op id="op-Dummy02-stop" interval="0" name="stop" timeout="60s" on-fail="block"/>
>>> </operations>
>>> </primitive>
>>> </group>
>>> </resources>
>>> (snip)
>>> [root at rh64-heartbeat1 ~]# grep "Initiating action" /var/log/ha-log
>>> Mar 22 21:45:01 rh64-heartbeat1 crmd: [2625]: info: te_rsc_command: Initiating action 2: probe_complete probe_complete on rh64-heartbeat1 (local) - no waiting
>>> Mar 22 21:46:36 rh64-heartbeat1 crmd: [2625]: info: te_rsc_command: Initiating action 4: monitor vip-master_monitor_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:46:36 rh64-heartbeat1 crmd: [2625]: info: te_rsc_command: Initiating action 5: monitor vip-rep_monitor_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:46:36 rh64-heartbeat1 crmd: [2625]: info: te_rsc_command: Initiating action 3: probe_complete probe_complete on rh64-heartbeat1 (local) - no waiting
>>> Mar 22 21:46:36 rh64-heartbeat1 crmd: [2625]: info: te_rsc_command: Initiating action 6: start vip-master_start_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:46:36 rh64-heartbeat1 crmd: [2625]: info: te_rsc_command: Initiating action 8: start vip-rep_start_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:46:37 rh64-heartbeat1 crmd: [2625]: info: te_rsc_command: Initiating action 1: stop vip-master_stop_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:46:37 rh64-heartbeat1 crmd: [2625]: info: te_rsc_command: Initiating action 5: stop vip-rep_stop_0 on rh64-heartbeat1 (local)
>>> }}}
>>>
>>>
>>> I tried an all combination of ordering_set and colocation_set.
>>> However, start of vip-rep was not carried out by all combinations.
>>> * I do not do the "ordered=false" designation of the group resource.
>>>
>>> * Case 1 : true/true
>>> {{{
>>> (snip)
>>> <resources>
>>> <group id="testGroup01">
>>> <primitive class="ocf" type="Dummy1" provider="heartbeat" id="vip-master">
>>> <operations>
>>> (snip)
>>> <constraints>
>>> <rsc_colocation id="test-colocation">
>>> <resource_set sequential="true" id="test-colocation-resource_set">
>>> <resource_ref id="vip-master"/>
>>> <resource_ref id="vip-rep"/>
>>> </resource_set>
>>> </rsc_colocation>
>>> <rsc_order id="test-order">
>>> <resource_set sequential="true" id="test-order-resource_set">
>>> <resource_ref id="vip-master"/>
>>> <resource_ref id="vip-rep"/>
>>> </resource_set>
>>> </rsc_order>
>>> </constraints>
>>>
>>>
>>> [root at rh64-heartbeat1 ~]# grep "Initiating action" /var/log/ha-log
>>> Mar 22 21:30:26 rh64-heartbeat1 crmd: [2076]: info: te_rsc_command: Initiating action 2: probe_complete probe_complete on rh64-heartbeat1 (local) - no waiting
>>> Mar 22 21:33:36 rh64-heartbeat1 crmd: [2076]: info: te_rsc_command: Initiating action 8: monitor vip-master_monitor_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:33:36 rh64-heartbeat1 crmd: [2076]: info: te_rsc_command: Initiating action 9: monitor vip-rep_monitor_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:33:36 rh64-heartbeat1 crmd: [2076]: info: te_rsc_command: Initiating action 7: probe_complete probe_complete on rh64-heartbeat1 (local) - no waiting
>>> Mar 22 21:33:36 rh64-heartbeat1 crmd: [2076]: info: te_rsc_command: Initiating action 10: start vip-master_start_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:33:36 rh64-heartbeat1 crmd: [2076]: info: te_rsc_command: Initiating action 1: stop vip-master_stop_0 on rh64-heartbeat1 (local)
>>> }}}
>>> * Case 2 : true/false
>>> {{{
>>> (snip)
>>> <resources>
>>> <group id="testGroup01">
>>> <primitive class="ocf" type="Dummy1" provider="heartbeat" id="vip-master">
>>> <operations>
>>> (snip)
>>> <constraints>
>>> <rsc_colocation id="test-colocation">
>>> <resource_set sequential="true" id="test-colocation-resource_set">
>>> <resource_ref id="vip-master"/>
>>> <resource_ref id="vip-rep"/>
>>> </resource_set>
>>> </rsc_colocation>
>>> <rsc_order id="test-order">
>>> <resource_set sequential="false" id="test-order-resource_set">
>>> <resource_ref id="vip-master"/>
>>> <resource_ref id="vip-rep"/>
>>> </resource_set>
>>> </rsc_order>
>>> </constraints>
>>>
>>>
>>> [root at rh64-heartbeat1 ~]# grep "Initiating action" /var/log/ha-log
>>> Mar 22 21:36:38 rh64-heartbeat1 crmd: [2222]: info: te_rsc_command: Initiating action 2: probe_complete probe_complete on rh64-heartbeat1 (local) - no waiting
>>> Mar 22 21:36:49 rh64-heartbeat1 crmd: [2222]: info: te_rsc_command: Initiating action 8: monitor vip-master_monitor_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:36:49 rh64-heartbeat1 crmd: [2222]: info: te_rsc_command: Initiating action 9: monitor vip-rep_monitor_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:36:49 rh64-heartbeat1 crmd: [2222]: info: te_rsc_command: Initiating action 7: probe_complete probe_complete on rh64-heartbeat1 (local) - no waiting
>>> Mar 22 21:36:49 rh64-heartbeat1 crmd: [2222]: info: te_rsc_command: Initiating action 10: start vip-master_start_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:36:50 rh64-heartbeat1 crmd: [2222]: info: te_rsc_command: Initiating action 1: stop vip-master_stop_0 on rh64-heartbeat1 (local)
>>>
>>> }}}
>>> * Cse 3 : false/true
>>> {{{
>>> (snip)
>>> <resources>
>>> <group id="testGroup01">
>>> <primitive class="ocf" type="Dummy1" provider="heartbeat" id="vip-master">
>>> <operations>
>>> (snip)
>>> <constraints>
>>> <rsc_colocation id="test-colocation">
>>> <resource_set sequential="false" id="test-colocation-resource_set">
>>> <resource_ref id="vip-master"/>
>>> <resource_ref id="vip-rep"/>
>>> </resource_set>
>>> </rsc_colocation>
>>> <rsc_order id="test-order">
>>> <resource_set sequential="true" id="test-order-resource_set">
>>> <resource_ref id="vip-master"/>
>>> <resource_ref id="vip-rep"/>
>>> </resource_set>
>>> </rsc_order>
>>> </constraints>
>>>
>>> [root at rh64-heartbeat1 ~]# grep "Initiating action" /var/log/ha-log
>>> Mar 22 21:38:51 rh64-heartbeat1 crmd: [2358]: info: te_rsc_command: Initiating action 2: probe_complete probe_complete on rh64-heartbeat1 (local) - no waiting
>>> Mar 22 21:39:07 rh64-heartbeat1 crmd: [2358]: info: te_rsc_command: Initiating action 8: monitor vip-master_monitor_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:39:07 rh64-heartbeat1 crmd: [2358]: info: te_rsc_command: Initiating action 9: monitor vip-rep_monitor_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:39:07 rh64-heartbeat1 crmd: [2358]: info: te_rsc_command: Initiating action 7: probe_complete probe_complete on rh64-heartbeat1 (local) - no waiting
>>> Mar 22 21:39:07 rh64-heartbeat1 crmd: [2358]: info: te_rsc_command: Initiating action 10: start vip-master_start_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:39:07 rh64-heartbeat1 crmd: [2358]: info: te_rsc_command: Initiating action 1: stop vip-master_stop_0 on rh64-heartbeat1 (local)
>>>
>>> }}}
>>> * Case 4 : false/false
>>> {{{
>>> (snip)
>>> <resources>
>>> <group id="testGroup01">
>>> <primitive class="ocf" type="Dummy1" provider="heartbeat" id="vip-master">
>>> <operations>
>>> (snip)
>>> <constraints>
>>> <rsc_colocation id="test-colocation">
>>> <resource_set sequential="false" id="test-colocation-resource_set">
>>> <resource_ref id="vip-master"/>
>>> <resource_ref id="vip-rep"/>
>>> </resource_set>
>>> </rsc_colocation>
>>> <rsc_order id="test-order">
>>> <resource_set sequential="false" id="test-order-resource_set">
>>> <resource_ref id="vip-master"/>
>>> <resource_ref id="vip-rep"/> </resource_set>
>>> </rsc_order>
>>> </constraints>
>>>
>>> [root at rh64-heartbeat1 ~]# grep "Initiating action" /var/log/ha-log
>>> Mar 22 21:41:11 rh64-heartbeat1 crmd: [2491]: info: te_rsc_command: Initiating action 2: probe_complete probe_complete on rh64-heartbeat1 (local) - no waiting
>>> Mar 22 21:42:16 rh64-heartbeat1 crmd: [2491]: info: te_rsc_command: Initiating action 8: monitor vip-master_monitor_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:42:16 rh64-heartbeat1 crmd: [2491]: info: te_rsc_command: Initiating action 9: monitor vip-rep_monitor_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:42:16 rh64-heartbeat1 crmd: [2491]: info: te_rsc_command: Initiating action 7: probe_complete probe_complete on rh64-heartbeat1 (local) - no waiting
>>> Mar 22 21:42:16 rh64-heartbeat1 crmd: [2491]: info: te_rsc_command: Initiating action 10: start vip-master_start_0 on rh64-heartbeat1 (local)
>>> Mar 22 21:42:16 rh64-heartbeat1 crmd: [2491]: info: te_rsc_command: Initiating action 1: stop vip-master_stop_0 on rh64-heartbeat1 (local)
>>>
>>> }}}
>>>
>>> Using ordering_set and colocation_set, is it impossible to perform movement same as "ordered=false" of the group resource?
>>
>> Yes, because they're not the same thing.
>>
>> Setting "sequential=false" is not at all like setting "ordered=false".
>> Setting "ordered=false" is the equivalent of _removing_ <rsc_order id="test-order"> completely.
>>
>>>
>>> Best Reagards,
>>> 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
>>
>>
>
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>
> Project Home: http://www.clusterlabs.org
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> Bugs: http://bugs.clusterlabs.org
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