[Pacemaker] Multi State Resources

Tue Dec 30 08:58:18 UTC 2008

Dejan Muhamedagic escribió:
> Hi,
>
> On Mon, Dec 29, 2008 at 01:13:33PM +0100, Adrian Chapela wrote:
>   
>> Hello,
>>
>> I have one Multi State resource and I want to permit it to start on one 
>> node and then in the other.
>>
>> In normal situation we will have two nodes starting at same time. With 
>> constraints Heartbeat will decide the best node to run all resources.
>>
>> But in another situation, We could have only one node starting. At this 
>> moment we need to start all resources in this node.
>>
>> How can I permit this situation ?
>>     
>
> What's there to permit? I suppose that in this case there will be
> only the master instance of the resource running. Or did I
> misunderstand your question?
>   
No, You understood my question but I can't achieve that with my config 
file and I don't know why.

Do you know some tip ?
> Thanks,
>
> Dejan
>
>   
>> I can't use globally-unique as an option of multi state. One option could 
>> be "ordered" ?
>>
>> I have attached my config file.
>>
>> Could you have a look ?
>>
>> Thank you!
>>     
>
>   
>> <configuration>
>>     <crm_config>
>>       <cluster_property_set id="cib-bootstrap-options">
>>         <nvpair id="cib-bootstrap-options-dc-version" name="dc-version" value="1.0.1-node: b2e38c67d01ed1571259f74f51ee101bdcf54226"/>
>>         <nvpair id="cib-bootstrap-options-default-resource-failure-stickiness" name="default-resource-failure-stickiness" value="-INFINITY"/>
>>         <nvpair id="cib-bootstrap-options-default-resource-stickiness" name="default-resource-stickiness" value="INFINITY"/>
>>         <nvpair id="cib-bootstrap-options-stonith-action" name="stonith-action" value="poweroff"/>
>>         <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="ignore"/>
>>       </cluster_property_set>
>>     </crm_config>
>>     <nodes>
>>       <node id="ea8af0a5-d8f2-41e7-a861-83236d53689f" uname="node1" type="normal"/>
>>       <node id="016a6a9d-898c-4606-aa59-00e64ecaab86" uname="node2" type="normal"/>
>>     </nodes>
>>     <resources>
>>       <master id="MySQL">
>>         <meta_attributes id="MySQL-meta">
>>           <nvpair id="MySQL-meta-1" name="clone_max" value="2"/>
>>           <nvpair id="MySQL-meta-2" name="clone_node_max" value="1"/>
>>           <nvpair id="MySQL-meta-3" name="master_max" value="1"/>
>>           <nvpair id="MySQL-meta-4" name="master_node_max" value="1"/>
>>           <nvpair id="MySQL-meta-6" name="globally-unique" value="false"/>
>>         </meta_attributes>
>>         <primitive id="MySQL-primitive" class="ocf" provider="heartbeat" type="mysql_slave_master">
>>           <operations>
>>             <op id="MySQL-op-1" name="start" interval="0s" timeout="300s"/>
>>             <op id="MySQL-op-2" name="stop" interval="0s" timeout="900s" on-fail="fence"/>
>>             <op id="MySQL-op-3" name="monitor" interval="59s" timeout="60s" role="Master" on-fail="fence"/>
>>             <op id="MySQL-op-4" name="monitor" interval="60s" timeout="60s" role="Slave" on-fail="fence"/>
>>           </operations>
>>         </primitive>
>>       </master>
>>       <group id="IP_Group">
>>         <primitive class="ocf" id="IPaddr-1" provider="heartbeat" type="IPaddr">
>>           <operations>
>>             <op id="IPaddr-1-op-monitor" interval="5s" name="monitor" timeout="5s"/>
>>             <op id="IPaddr-1-op-start" name="start" interval="0s" timeout="5s"/>
>>             <op id="IPaddr-1-op-stop" name="stop" interval="0s" timeout="5s"/>
>>           </operations>
>>           <instance_attributes id="IPaddr-1-ia">
>>             <nvpair id="IPaddr-1-IP" name="ip" value="192.168.18.24"/>
>>             <nvpair id="IPaddr-1-netmask" name="netmask" value="24"/>
>>             <nvpair id="IPaddr-1-gw" name="gw" value="192.168.18.254"/>
>>             <nvpair id="IPaddr-1-nic" name="nic" value="eth0"/>
>>           </instance_attributes>
>>         </primitive>
>>       </group>
>>       <clone id="pingd-clone">
>>         <primitive id="pingd" provider="heartbeat" class="ocf" type="pingd">
>>           <instance_attributes id="pingd-attrs">
>>             <nvpair id="pingd-dampen" name="dampen" value="5s"/>
>>             <nvpair id="pingd-multiplier" name="multiplier" value="1000"/>
>>             <nvpair id="pingd-hosts" name="host_list" value="192.168.18.210 192.168.18.254 192.168.18.253 192.168.18.200 192.168.18.201"/>
>>           </instance_attributes>
>>           <operations>
>>             <op id="pingd-clone-monitor" name="monitor" interval="5s" timeout="20s"/>
>>             <op id="pingd-clone-start" name="start" interval="0" timeout="20s"/>
>>           </operations>
>>         </primitive>
>>       </clone>
>>       <clone id="DoFencing">
>>         <meta_attributes id="DoFencing-meta">
>>           <nvpair id="DoFencing-meta-1" name="clone_max" value="2"/>
>>           <nvpair id="DoFencing-meta-2" name="clone_node_max" value="1"/>
>>         </meta_attributes>
>>         <primitive id="ssh-stonith" class="stonith" type="ssh">
>>           <instance_attributes id="ssh-stonith-attributes">
>>             <nvpair id="ssh-stonith-hostlist" name="hostlist" value="node1_backup node2_backup"/>
>>           </instance_attributes>
>>           <operations>
>>             <op id="DoFencing-monitor" name="monitor" interval="5s" timeout="20s"/>
>>             <op id="DoFencing-start" name="start" interval="0" timeout="20s"/>
>>           </operations>
>>         </primitive>
>>       </clone>
>>     </resources>
>>     <constraints>
>>       <rsc_order id="MySQL-IP_Group" first="MySQL" first-action="promote" then="IP_Group" then-action="start"/>
>>       <rsc_colocation id="IP_Group-with-MySQL" rsc="IP_Group" with-rsc="MySQL" with-rsc-role="Master" score="INFINITY"/>
>>       <rsc_location id="loca_MySQL_node1" rsc="MySQL">
>>         <rule id="rule_loc_MySQL_node1" role="Master" score="100">
>>           <expression id="exp_rule_MySQL_node1" attribute="#uname" operation="eq" value="node1"/>
>>         </rule>
>>       </rsc_location>
>>       <rsc_location id="loca_MySQL_node2" rsc="MySQL">
>>         <rule id="rule_loc_MySQL_node2" role="Master" score="50">
>>           <expression id="exp_rule_MySQL_node2" attribute="#uname" operation="eq" value="node2"/>
>>         </rule>
>>       </rsc_location>
>>       <rsc_location id="mysql-connectivity" rsc="MySQL">
>>         <rule id="mysql-pingd-prefer-rule" score="-INFINITY" role="Master">
>>           <expression id="mysql-pingd-prefer" attribute="pingd" operation="lt" value="1000"/>
>>         </rule>
>>       </rsc_location>
>>     </constraints>
>>   </configuration>
>>     
>
>   
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>>     
>
>
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