[Pacemaker] strage monitor behaivour

Serge Dubrouski sergeyfd at gmail.com
Tue Jun 7 15:47:17 UTC 2011 

On Tue, Jun 7, 2011 at 9:39 AM, Dejan Muhamedagic <dejanmm at fastmail.fm>wrote:

> Hi,
>
> On Tue, Jun 07, 2011 at 08:45:07AM -0600, Serge Dubrouski wrote:
> > 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.
>
> This is not so. A resource agents should be able to figure out if
> there's no software installed and then return NOT_INSTALLED or
> NOT_RUNNING.
>

That changes exit code but doesn't change the requirements to have that
software installed and able to report that it's down.


> Thanks,
>
> Dejan
>
> > 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
>
>
> _______________________________________________
> 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.
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