[Linux-HA] forced failover, node score

[Andrew Beekhof]

On 2/10/07, Anton Lewur <alewur at web.de> wrote:
> Hello,
>
> let's assume following example
>
> A 2 node cluster, myNode_A myNode_B, heartbeat version 2.0.8.
>
> is the following calculation the equivalent for the example configuration below?

seems correct

>
>
> (MyNode_A - MyNode_B + default_resource_stickiness) / abs(default_resource_failure_stickiness)
>
> (100 - 0 + 500) / abs(-200)
>
> 600 / 200
>
> 3
>
>
> I've insert following configs via cibadmin to an empty CIB:
> <crm_config>
>   <cluster_property_set id="cib-bootstrap-options">
>     <attributes>
>       <nvpair id="cib-bootstrap-options-default_resource_stickiness" name="default_resource_stickiness" value="500"/>
>       <nvpair id="cib-bootstrap-options-default_resource_failure_stickiness" name="default_resource_failure_stickiness" value="-200"/>
>     </attributes>
>   </cluster_property_set>
> </crm_config>
>
> <resources>
>   <group id="myResourceGroup-rg">
>     <primitive id="MyResource-IPaddr-rs" class="ocf" type="IPaddr" provider="heartbeat">
>       <instance_attributes id="id-ip_instance_attributes">
>         <attributes>
>           <nvpair id="id-vnpair_ip" name="ip" value="192.168.1.5"/>
>         </attributes>
>       </instance_attributes>
>     </primitive>
>     <primitive id="MyResource-Appl-rs" class="ocf" type="MyResource" provider="MyProvider">
>       <operations>
>         <op name="stop" timeout="90s" id="id-rs-MyResource_stop"/>
>         <op name="start" timeout="90s" id="id-rs-MyResource_start"/>
>         <op name="monitor" interval="20s" timeout="5s" id="id-rs-MyResource_monitor"/>
>       </operations>
>     </primitive>
>   </group>
> <resources>
>
> <constraints>
>   <rsc_location rsc="myResourceGroup-rg" id="run_myResourceGroup-rg">
>     <rule score="100" id="pref_run_myResourceGroup-rg">
>       <expression attribute="#uname" operation="eq" value="myNode_A" type="string" id="expr_pref_run_myResourceGroup-rg"/>
>     </rule>
>   </rsc_location>
> <constraints>
>
> Thanks and regards,
> Anton.
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