[Pacemaker] strage monitor behaivour

ruslan usifov ruslan.usifov at gmail.com
Tue Jun 7 11:04:05 EDT 2011 

Hm, drbd RA for example work perfectly if drbd isn't installed on node. Also
i found that probe error dissapear when i add "implementation" parameter to
target and lun RA.

PS: great thanks for your explanations

2011/6/7 Serge Dubrouski <sergeyfd at gmail.com>

> No, RA acts like it should. It can't find necessary software and returns
> OCF_NOT_CONFIGURED, all RAs act this way. You have to install all software
> used in you cluster on all nodes even if you are not actually planning to
> run that software on some of them.
>
>
> On Tue, Jun 7, 2011 at 8:02 AM, ruslan usifov <ruslan.usifov at gmail.com>wrote:
>
>> Thanks fo replay i undestend already this moment. Now i think that this is
>> problem of ocf:heartbeat:iSCSITarget RA, which return unproperly return
>> code, when no any iscssi target software installed
>>
>> 2011/6/7 Serge Dubrouski <sergeyfd at gmail.com>
>>
>>> This questions pops up over and over again. Pacemaker has to make sure
>>> that your resources aren't up anywhere in the cluster before start them up
>>> on designated nodes. That means that it has to be able to run status/monitor
>>> operations for all configured resources on all configured nodes. You can't
>>> just add a 3rd quorum node into cluster you have to make sure that all RAs
>>> that you use can run on that 3rd node properly.
>>>
>>> On Tue, Jun 7, 2011 at 1:58 AM, ruslan usifov <ruslan.usifov at gmail.com>wrote:
>>>
>>>> Hello
>>>>
>>>> I have 3 node cluster (in future we add another one node) with follow
>>>> configuration:
>>>>
>>>> crm(live)configure# show
>>>> node drbd1
>>>> node drbd2
>>>> node drbd3
>>>> primitive drbd_web ocf:linbit:drbd \
>>>>         params drbd_resource="web" \
>>>>         op monitor interval="10s" timeout="60s"
>>>> primitive drbd_web-U ocf:linbit:drbd \
>>>>         params drbd_resource="web-U" \
>>>>         op monitor interval="10s" timeout="60s"
>>>> primitive iscsi_ip_web ocf:heartbeat:IPaddr2 \
>>>>         params ip="192.168.19.91" nic="eth1:1" cidr_netmask="24"
>>>> primitive iscsi_web_target ocf:heartbeat:iSCSITarget \
>>>>         params iqn="iqn.2010-06.playrix.local:san.web" \
>>>>         op monitor interval="10s" timeout="30s"
>>>> primitive iscsi_web_target_lun0 ocf:heartbeat:iSCSILogicalUnit \
>>>>         params lun="0" path="/dev/drbd10"
>>>> target_iqn="iqn.2010-06.playrix.local:san.web"
>>>> group iscsi_web iscsi_ip_web iscsi_web_target iscsi_web_target_lun0
>>>> ms ms_drbd_web drbd_web \
>>>>         meta master-max="1" master-node-max="1" clone-max="2"
>>>> clone-node-max="1" notify="true" globally-unique="false"
>>>> target-role="Started" is-managed="true"
>>>> ms ms_drbd_web-U drbd_web-U \
>>>>         meta master-max="1" master-node-max="1" clone-max="1"
>>>> clone-node-max="1" notify="true" is-managed="true" globally-unique="false"
>>>> location ms_drbd_web-U_on_drbd1_or_drbd2 ms_drbd_web-U \
>>>>         rule $id="ms_drbd_web-U_on_drbd1_or_drbd2-rule" -inf: #uname ne
>>>> drbd1 and #uname ne drbd2
>>>> location ms_drbd_web_on_drbd1_or_drbd2 ms_drbd_web \
>>>>         rule $id="ms_drbd_web_on_drbd1_or_drbd2-rule" -inf: #uname ne
>>>> drbd1 and #uname ne drbd2
>>>> colocation drbd_web-U_on_drbd_web inf: ms_drbd_web-U:Master
>>>> ms_drbd_web:Master
>>>> colocation iscsi_ip_web_on_drbd_web inf: iscsi_ip_web ms_drbd_web:Master
>>>> colocation iscsi_web_on_drbd_web-U inf: iscsi_web ms_drbd_web-U:Master
>>>> order iscsi_web_after_ms_drbd_web-U inf: ms_drbd_web-U:start iscsi_web
>>>> order ms_drbd_web-U_after_iscsi_ip_web inf: iscsi_ip_web:start
>>>> ms_drbd_web-U:start
>>>> order ms_drbd_web-U_before_ms_drbd_web inf: ms_drbd_web:promote
>>>> iscsi_ip_web:start
>>>> property $id="cib-bootstrap-options" \
>>>>         dc-version="1.0.11-db98485d06ed3fe0fe236509f023e1bd4a5566f1" \
>>>>         cluster-infrastructure="openais" \
>>>>         expected-quorum-votes="3" \
>>>>         stonith-enabled="false" \
>>>>         last-lrm-refresh="1307432239" \
>>>>         symmetric-cluster="true"
>>>>
>>>>
>>>>
>>>> In this configuration i want that all resources ran only on drbd1 and
>>>> drb2 nodes. And as i understand wit location constraint i should reach this
>>>> objective. And all resource mast run on drbd1 and drbb2 nodes. But i got
>>>> follow error:
>>>>
>>>> Failed actions:
>>>>     iscsi_web_target_monitor_0 (node=drbd3, call=5, rc=6,
>>>> status=complete): not configured
>>>>     iscsi_web_target_lun0_monitor_0 (node=drbd3, call=6, rc=6,
>>>> status=complete): not configured
>>>>
>>>>
>>>>
>>>> And i confused why drbd3? There is nothing must run o monitored. Please
>>>> if it is possible explain this behavior
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>>>>
>>>>
>>>
>>>
>>> --
>>> Serge Dubrouski.
>>>
>>> _______________________________________________
>>> 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>>>
>>>
>>
>> _______________________________________________
>> 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>>
>>
>
>
> --
> Serge Dubrouski.
>
> _______________________________________________
> 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>
>
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