[Pacemaker] Multi State Resources

Adrian Chapela achapela.rexistros at gmail.com
Tue Dec 30 10:56:56 UTC 2008 

Dejan Muhamedagic escribió:
> On Tue, Dec 30, 2008 at 10:31:17AM +0100, Adrian Chapela wrote:
>   
>> Dejan Muhamedagic escribi?:
>>     
>>> On Tue, Dec 30, 2008 at 09:58:18AM +0100, Adrian Chapela wrote:
>>>   
>>>       
>>>> Dejan Muhamedagic escribi?:
>>>>     
>>>>         
>>>>> 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 ?
>>>>     
>>>>         
>>> Your config file looks fine to me. The location preference of 50
>>> for node2 is not necessary. Also, did you check that the pingd
>>> attribute is updated in the cib and that its value is >=1000?
>>> Other than that, one can't say what's going on without looking at
>>> the logs.
>>>   
>>>       
>> I thought about it. My first thought was pingd clone is not started, this 
>> could be the problem but It wasn't the problem. I updated this value to 
>> 5000 (the normal value in my configuration) manually and the master/slave 
>> resource didn't start. I thought in another problem.
>>
>> OK, I will send the logs. Which logs you need ? hbreport maybe ?
>>     
>
> hb_report would be the best.
>   

OK, I have uploaded the hb_report.

>   
>>> Thanks,
>>>
>>> Dejan
>>>
>>>   
>>>       
>>>>> 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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>>>>>           
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