[Pacemaker] strage monitor behaivour

Dejan Muhamedagic dejanmm at fastmail.fm
Tue Jun 7 15:39:45 UTC 2011 

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.

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

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