[Pacemaker] Service automatically restart after IP moving

[Vadym Chepkov]

On Jul 12, 2012, at 3:18 AM, CHAMLEY Stephane wrote:

> Ah, Thanx you  ! :)
> 
> But it is not working ... : (

I think it's a bug. I saw the same behavior in 1.0.12 as well. I ended up defining independent resources, not clone.
What's interesting though, if you stop ipv_test resource, the monclone will properly stop too, as expected.

Cheers,
Vadym



> I did this test configuration (see below) and then I made a shift in the resouce IP (crm resource migrate).
> Yet the process "ntp" is always the old date..
> 
> CLI conf:
> ++++++++
> node $id="19838a79-4459-4e2d-864e-53b8c103f011" v-testweb02
> node $id="e7fe4f86-081a-4092-9d50-bcfbcfc02ae4" v-testweb01
> primitive ipv_test ocf:heartbeat:IPaddr \
>        params ip="10.10.10.10" cidr_netmask="255.255.255.0" \
>        meta migration-threshold="2" \
>        op monitor interval="10s"
> primitive ntp lsb:ntp \
>        op monitor interval="60s"
> clone monclone ntp \
>        meta target-role="Started"
> order testorder inf: ipv_test monclone
> property $id="cib-bootstrap-options" \
>        dc-version="1.0.9-74392a28b7f31d7ddc86689598bd23114f58978b" \
>        cluster-infrastructure="Heartbeat" \
>        stonith-enabled="false" \
>        no-quorum-policy="ignore" \
>        default-resource-stickiness="1" \
>        last-lrm-refresh="1331635194"
> 
> 
> XML conf:
> +++++++++
> <?xml version="1.0" ?>
> <cib admin_epoch="0" cib-last-written="Thu Jul 12 09:15:43 2012" crm_feature_set="3.0.1" dc-uuid="19838a79-4459-4e2d-864e-53b8c103f011" epoch="111" have-quorum="1" num_updates="1" validate-with="pacemaker-1.0">
>  <configuration>
>    <crm_config>
>      <cluster_property_set id="cib-bootstrap-options">
>        <nvpair id="cib-bootstrap-options-dc-version" name="dc-version" value="1.0.9-74392a28b7f31d7ddc86689598bd23114f58978b"/>
>        <nvpair id="cib-bootstrap-options-cluster-infrastructure" name="cluster-infrastructure" value="Heartbeat"/>
>        <nvpair id="cib-bootstrap-options-stonith-enabled" name="stonith-enabled" value="false"/>
>        <nvpair id="cib-bootstrap-options-no-quorum-policy" name="no-quorum-policy" value="ignore"/>
>        <nvpair id="cib-bootstrap-options-default-resource-stickiness" name="default-resource-stickiness" value="1"/>
>        <nvpair id="cib-bootstrap-options-last-lrm-refresh" name="last-lrm-refresh" value="1331635194"/>
>      </cluster_property_set>
>    </crm_config>
>    <rsc_defaults/>
>    <op_defaults/>
>    <nodes>
>      <node id="19838a79-4459-4e2d-864e-53b8c103f011" type="normal" uname="v-testweb02"/>
>      <node id="e7fe4f86-081a-4092-9d50-bcfbcfc02ae4" type="normal" uname="v-testweb01"/>
>    </nodes>
>    <resources>
>      <primitive class="ocf" id="ipv_test" provider="heartbeat" type="IPaddr">
>        <instance_attributes id="ipv_test-instance_attributes">
>          <nvpair id="ipv_test-instance_attributes-ip" name="ip" value="10.10.10.10"/>
>          <nvpair id="ipv_test-instance_attributes-cidr_netmask" name="cidr_netmask" value="255.255.255.0"/>
>        </instance_attributes>
>        <meta_attributes id="ipv_test-meta_attributes">
>          <nvpair id="ipv_test-meta_attributes-migration-threshold" name="migration-threshold" value="2"/>
>        </meta_attributes>
>        <operations>
>          <op id="ipv_test-monitor-10s" interval="10s" name="monitor"/>
>        </operations>
>      </primitive>
>      <clone id="monclone">
>        <meta_attributes id="monclone-meta_attributes">
>          <nvpair id="monclone-meta_attributes-target-role" name="target-role" value="Started"/>
>        </meta_attributes>
>        <primitive class="lsb" id="ntp" type="ntp">
>          <operations>
>            <op id="ntp-monitor-60s" interval="60s" name="monitor"/>
>          </operations>
>        </primitive>
>      </clone>
>    </resources>
>    <constraints>
>      <rsc_order first="ipv_test" id="testorder" score="INFINITY" then="monclone"/>
>    </constraints>
>  </configuration>
> </cib>
> 
> -----Original Message-----
> From: David Vossel [mailto:dvossel at redhat.com] 
> Sent: mercredi 11 juillet 2012 21:01
> To: The Pacemaker cluster resource manager
> Subject: Re: [Pacemaker] Service automatically restart after IP moving
> 
> 
> 
> ----- Original Message -----
>> From: "CHAMLEY Stephane" <Stephane.CHAMLEY at coe.int>
>> To: "pacemaker at oss.clusterlabs.org" <pacemaker at oss.clusterlabs.org>
>> Sent: Wednesday, July 11, 2012 1:59:58 AM
>> Subject: Re: [Pacemaker] Service automatically restart after IP moving
>> 
>> 
>> 
>> 
>> 
>> Nobody ? :S
> 
> use an order constraint.
> 
> http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/s-resource-ordering.html
> 
> "If the first resource is (re)started while the then resource is running, the then resource will be stopped and restarted."
> 
> So if an ip is stopped and started somewhere else, the 'then' resource should restart.  is that what you were looking for?
> 
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