Discovering MSCS in HP SIM

Published on Wednesday, January 28, 2009 in ,

Although we figured out the necessary steps to add a Windows 2008 failover cluster to HP SIM (currently version 5.2) in our build environment, for some reason this stopped working after some time.

The necessary steps to add a cluster are described below. At first sight some steps may seem unnecessary, but in the end this has proven to be successful. Skipping some of the steps resulted in nodes being discovered with the name of the cluster and vice versa.

  • Add both nodes

  • Run an identify task on those nodes in SIM

  • Restart the SNMP service on both nodes (it will also restart some HP dependent services)

  • Run an identify task on those nodes in SIM again

  • Add the virtual IP which is used to administer the cluster

  • After performing these steps a HP SIM object should be created which represents the cluster. It should look something like this:

    HP SIM cluster object

    On the other hand, if the call seems to time out and you receive something like this:

    HP SIM Cluster error

    You might need to apply the following registry fix on all your nodes and redo the discovery process:
    Create the key: "CompaqCommonClusterAgent" below HKEY_LOCAL_MACHINE\SOFTWARE\Compaq\

    Create a String (REG_DWORD): “Pathname” with value "%SystemRoot%\\System32\\svrclu.dll" below HKEY_LOCAL_MACHINE\SOFTWARE\Compaq\CompaqCommonClusterAgent

    All credits go to "Karim H" over at HP ITRC forums: HP SIM: Cluster Monitor (ITRC Forums)

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