[Pacemaker] Multi State Resources
Dejan Muhamedagic
dejanmm at fastmail.fm
Tue Dec 30 10:27:33 UTC 2008
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.
>> 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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