[Linux-HA] What is the correct way to create the cib.xml?

Dejan Muhamedagic dejanmm at fastmail.fm
Wed Sep 5 06:04:25 MDT 2007


On Wed, Sep 05, 2007 at 02:46:14PM +0300, Maxim Veksler wrote:
> On 9/5/07, Dejan Muhamedagic <dejanmm at fastmail.fm> wrote:
> > On Tue, Sep 04, 2007 at 05:03:07PM -0400, Michael Dengler wrote:
> > > Hi,
> > >
> > > Every day I get a little closer to a stable cluster ;-)
> > >
> > > I'm trying to automate the configuration of a cluster and am having some
> > > unpredictable behavior. I have a script that gets user input for the config
> > > parameters for the cluster, writes that to haresources, runs
> > > haresources2cib.py to create the cib.xml and then replaces the default
> > > values for resource_stickiness with INFINITY and -INFINITY. This is
> > > performed on both nodes.
> > >
> > > The odd behavior is that when heartbeat is started on node1 then
> > > node2....node2 starts all of the resources even though node1 is configured
> > > to be the preferred node.
> > >
> > > If I start heartbeat on node1 and wait for it to start the resources before
> > > starting heartbeat on node2, the resources stay on node1.
> >
> > Sounds like the cluster doesn't apply your constraints. Are you
> > sure that the nodes are spelled correctly? If you attach the
> > logs...
> >
> 
> And the scripts, think it would be interesting for the crowd of this list.

While we're in the CIB scripts department, there have been for
quite some time a few more capabilities in haresources2cib.py
while the documentation had been lacking, but not any more. These
extensions could bring your automatically created CIB a bit
closer to the final version. The URL:

http://linux-ha.org/ClusterInformationBase/Conversion

> > > Here is my cib:
> > >
> > > -------------------------------
> > >
> > > <cib admin_epoch="0" have_quorum="true" generated="true" num_peers="2"
> > > cib_feature_revision="1.3" ccm_transition="2"
> > > dc_uuid="c18c2a51-bf31-4a39-897c-184ae37c8c13" epoch="4" num_updates="58"
> > > cib-last-written="Tue Aug 14 20:48:35 2007">
> > >    <configuration>
> > >      <crm_config>
> > >        <cluster_property_set id="cib-bootstrap-options">
> > >          <attributes>
> > >            <nvpair id="cib-bootstrap-options-symmetric_cluster"
> > > name="symmetric_cluster" value="true"/>
> > >            <nvpair id="cib-bootstrap-options-no_quorum_policy"
> > > name="no_quorum_policy" value="stop"/>
> > >            <nvpair id="cib-bootstrap-options-default_resource_stickiness"
> > > name="default_resource_stickiness" value="INFINITY"/>
> > >            <nvpair
> > > id="cib-bootstrap-options-default_resource_failure_stickiness"
> > > name="default_resource_failure_stickiness" value="-INFINITY"/>
> > >            <nvpair id="cib-bootstrap-options-stonith_enabled"
> > > name="stonith_enabled" value="false"/>
> > >            <nvpair id="cib-bootstrap-options-stonith_action"
> > > name="stonith_action" value="reboot"/>
> > >            <nvpair id="cib-bootstrap-options-stop_orphan_resources"
> > > name="stop_orphan_resources" value="true"/>
> > >            <nvpair id="cib-bootstrap-options-stop_orphan_actions"
> > > name="stop_orphan_actions" value="true"/>
> > >            <nvpair id="cib-bootstrap-options-remove_after_stop"
> > > name="remove_after_stop" value="false"/>
> > >            <nvpair id="cib-bootstrap-options-short_resource_names"
> > > name="short_resource_names" value="true"/>
> > >            <nvpair id="cib-bootstrap-options-transition_idle_timeout"
> > > name="transition_idle_timeout" value="5min"/>
> > >            <nvpair id="cib-bootstrap-options-default_action_timeout"
> > > name="default_action_timeout" value="5s"/>
> > >            <nvpair id="cib-bootstrap-options-is_managed_default"
> > > name="is_managed_default" value="true"/>
> > >          </attributes>
> > >        </cluster_property_set>
> > >      </crm_config>
> > >      <nodes>
> > >        <node id="5236009f-2125-407a-92ea-6e5f615ec564" uname="node1"
> > > type="normal"/>
> > >        <node id="c18c2a51-bf31-4a39-897c-184ae37c8c13" uname="node2"
> > > type="normal"/>
> > >      </nodes>
> > >      <resources>
> > >        <group id="group_1">
> > >          <primitive class="ocf" id="IPaddr_10_123_100_153"
> > > provider="heartbeat" type="IPaddr">
> > >            <operations>
> > >              <op id="IPaddr_10_123_100_153_mon" interval="5s" name="monitor"
> > > timeout="5s"/>
> > >            </operations>
> > >            <instance_attributes id="IPaddr_10_123_100_153_inst_attr">
> > >              <attributes>
> > >                <nvpair id="IPaddr_10_123_100_153_attr_0" name="ip" value="
> > > 10.123.100.153"/>
> > >              </attributes>
> > >            </instance_attributes>
> > >          </primitive>
> > >          <primitive class="lsb" id="httpd_2" provider="heartbeat"
> > > type="httpd">
> > >            <operations>
> > >              <op id="httpd_2_mon" interval="120s" name="monitor"
> > > timeout="60s"/>
> > >            </operations>
> > >          </primitive>
> > >          <primitive class="lsb" id="ha_command_3" provider="heartbeat"
> > > type="ha_command">
> > >            <operations>
> > >              <op id="ha_command_3_mon" interval="120s" name="monitor"
> > > timeout="60s"/>
> > >            </operations>
> > >          </primitive>
> > >        </group>
> > >      </resources>
> > >      <constraints>
> > >        <rsc_location id="rsc_location_group_1" rsc="group_1">
> > >          <rule id="prefered_location_group_1" score="100">
> > >            <expression attribute="#uname"
> > > id="prefered_location_group_1_expr" operation="eq" value="node1"/>
> > >          </rule>
> > >        </rsc_location>
> > >      </constraints>
> > >    </configuration>
> > >  </cib>
> > >
> > > -----------------------------
> > >
> > > Any help is greatly appreciated.
> > >
> > > Thanks
> > >
> > > Mike
> > > _______________________________________________
> > > Linux-HA mailing list
> > > Linux-HA at lists.linux-ha.org
> > > http://lists.linux-ha.org/mailman/listinfo/linux-ha
> > > See also: http://linux-ha.org/ReportingProblems
> > _______________________________________________
> > Linux-HA mailing list
> > Linux-HA at lists.linux-ha.org
> > http://lists.linux-ha.org/mailman/listinfo/linux-ha
> > See also: http://linux-ha.org/ReportingProblems
> >
> 
> 
> -- 
> Cheers,
> Maxim Veksler
> 
> "Free as in Freedom" - Do u GNU ?
> _______________________________________________
> Linux-HA mailing list
> Linux-HA at lists.linux-ha.org
> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> See also: http://linux-ha.org/ReportingProblems



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