[Pacemaker] Multi State Resources
Adrian Chapela
achapela.rexistros at gmail.com
Tue Dec 30 05:56:56 EST 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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