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Re: [Linux-cluster] clurgmgrd : <notice> relocating a service to better node



Hi Digimer,


cman_tool version
6.2.0 config 3

RPM versions -

cman-2.0.115-34.el5
rgmanager-2.0.52-6.el5

I am on RHEL 5.5

The configuration is like this -

Cluster of 2 nodes. Each node is IBM Blade hosted in chassis. Private network within chassis is used for heartbeat across cluster nodes and other cluster service consist of IP resource and my own server which listens on this IP resource.

cluster.conf file -

<?xml version="1.0"?>
<cluster alias="PCluster" config_version="3" name="PCluster">
  <clusternodes>
    <clusternode name="my_blade2.my_domain" nodeid="2" votes="1">
      <fence>
        <method name="1">
          <device blade="2" missing_as_off="1" name="BladeCenterFencing"/>
        </method>
      </fence>
    </clusternode>
    <clusternode name="my_blade1.my_domain" nodeid="1" votes="1">
      <fence>
        <method name="1">
          <device blade="1" missing_as_off="1" name="BladeCenterFencing"/>
        </method>
      </fence>
    </clusternode>
  </clusternodes>
  <cman expected_votes="1" two_node="1"/>
  <fencedevices>
    <fencedevice agent="fence_bladecenter" ipaddr="XXXXX" login="USERID" name="BladeCenterFencing" passwd="XXXXX"/>
  </fencedevices>
  <rm>
    <resources>
      <script file="/localhome/parvez/my_ha" name="my_HaAgent"/>
      <ip address="192.168.11.171" monitor_link="1"/>
      <ip address="192.168.11.175" monitor_link="1"/>
      <ip address="192.168.11.176" monitor_link="1"/>
    </resources>
    <failoverdomains>
      <failoverdomain name="my_domain" nofailback="1" ordered="1" restricted="1">
        <failoverdomainnode name="my_blade2.my_domain" priority="2"/>
        <failoverdomainnode name="my_blade1.my_domain" priority="1"/>
      </failoverdomain>
    </failoverdomains>
    <service autostart="0" domain="my_domain" name="my_proc" recovery="relocate">
      <script ref="my_HaAgent"/>
      <ip ref="192.168.11.175"/>
    </service>
  </rm>
  <fence_daemon clean_start="1" post_fail_delay="0" post_join_delay="0"/>
</cluster>

On Wed, Apr 11, 2012 at 11:51 AM, Digimer <lists alteeve ca> wrote:
On 04/11/2012 02:14 AM, Parvez Shaikh wrote:
> Hi,
>
> When I start or enable a service (that was previously disabled) on a a
> cluster node, I see message saying clurmgrd relocating service to
> "better" node.
>
> I am not understanding why. I can relocate service back to a node where
> I see above message and it runs fine there.
>
> What does "better" node could mean? Better in what sense as hardware and
> software configurations of both cluster nodes is same. What situation
> could possibly trigger this?
>
> Thanks,
> Parvez

What version of the cluster software are you using? What is the
configuration? To get help, you need to share more details. :)

--
Digimer
Papers and Projects: https://alteeve.com


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