[Pacemaker] Error when managing network with ping/pingd.

[Andrew Beekhof]

On 30/08/2013, at 5:32 PM, Francis SOUYRI <francis.souyri at apec.fr> wrote:

> Hello Andrew,
> 
> Sorry I do not understand your comment after "Please don't do this.", What I need to do ?

Cut off relevant parts of the config and replace them with "....".


> 
> For my test system I have a cluster with 2 nodes and 4 resources group (named, dhcpd, named2, samba) with each group an ip resource, drbd resource, filesystem resource, start application resource (not on this test server).
> For each group I have a constraint to assignate named/dhcpd to noeud1 and named2/samba to noeud2
> 
> <rsc_location id="location-named-noeud1.apec.fr-50" node="noeud1.apec.fr" rsc="named" score="50"/>
>     <rsc_location id="location-dhcpd-noeud1.apec.fr-50" node="noeud1.apec.fr" rsc="dhcpd" score="50"/>
>     <rsc_location id="location-named2-noeud1.apec.fr-50" node="noeud1.apec.fr" rsc="named2" score="50"/>
>     <rsc_location id="location-samba-noeud1.apec.fr-50" node="noeud1.apec.fr" rsc="samba" score="50"/>
> 
> I created a ping resource to "monitor" the network and when the network failed on one node I want the resources to migrate to other node.
> 
> Best Regards.
> 
> Francis
> 
> On 08/30/2013 05:26 AM, Andrew Beekhof wrote:
>> 
>> On 29/08/2013, at 5:36 PM, Francis SOUYRI <francis.souyri at apec.fr> wrote:
>> 
>>> Hello,
>>> 
>>> I have a corosync/pacemaker with 2 nodes and 2 nets by nodes, 192.168.1.0/24 for cluster access, 10.1.1.0/24 for drbd in bond, both used by corosync.
>>> I try to used ocf:pacemaker:ping to monitor the 192.168.1.0/24 I have the configuration below, but when I remove the cable of the noeud1 the named group resource do not migrate to noeud2.
>>> 
>>> When I used these command "crm_attribute -G -t status -N  -n pingd" I have this.
>> 
>> Invalid command.  -N requires an argument.
>> 
>>> 
>>> Could not map uname=-n to a UUID: The object/attribute does not exist
>>> scope=status   value=(null)
>>> Error performing operation: cib object missing
>>> 
>>> ##### CONFIG
>>> ...
>>>      <clone id="ping-gateway-clone">
>>>        <meta_attributes id="ping-gateway-clone-meta">
>>>          <nvpair id="ping-gateway-interleave" name="interleave" value="true"/>
>>>        </meta_attributes>
>>>        <primitive class="ocf" id="ping-gateway" provider="pacemaker" type="ping">
>>>          <instance_attributes id="ping-gateway-instance_attributes">
>>>            <nvpair id="ping-gateway-instance_attributes-host_list" name="host_list" value="192.168.1.1"/>
>>>            <nvpair id="ping-gateway-instance_attributes-multiplier" name="multiplier" value="100"/>
>>>          </instance_attributes>
>>>        </primitive>
>>>      </clone>
>>>    </resources>
>>>    <constraints>
>>>      <rsc_location id="location-named-noeud1.apec.fr-50" node="noeud1.apec.fr" rsc="named" score="50"/>
>>>      <rsc_location id="location-dhcpd-noeud1.apec.fr-50" node="noeud1.apec.fr" rsc="dhcpd" score="50"/>
>>>      <rsc_location id="location-named2-noeud1.apec.fr-50" node="noeud1.apec.fr" rsc="named2" score="50"/>
>>>      <rsc_location id="location-samba-noeud1.apec.fr-50" node="noeud1.apec.fr" rsc="samba" score="50"/>
>>>      <rsc_location id="pingnamed" rsc="named">
>>>        <rule id="pingnamed-rule" score-attribute="pingd">
>>>          <expression attribute="pingd" id="pingnamed-expression" operation="defined"/>
>>>        </rule>
>>>      </rsc_location>
>>>    </constraints>
>>>    <rsc_defaults>
>>>      <meta_attributes id="rsc_defaults-options">
>>>        <nvpair id="rsc_defaults-options-resource-stickiness" name="resource-stickiness" value="100"/>
>>>      </meta_attributes>
>>>    </rsc_defaults>
>>> ....
>> 
>> Please don't do this.
>> 
>> The contents of "...." might not seem relevant to you, but I assure you they are.  Particularly in this case.
>> 
>> 
>>> ##### END CONFIG
>>> 
>>> Best regards.
>>> 
>>> Francis
>>> 
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>>> 
>>> Project Home: http://www.clusterlabs.org
>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>> Bugs: http://bugs.clusterlabs.org
>> 
> 
> 
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> 
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