16.5 Diagnosing Cluster Problems

To help Novell Technical Support diagnose your cluster problems, some or all of the following information might be requested:

  • Cluster statistics. A report created by the cluster statistics gathering tool.

  • Cluster configuration. An HTML report created by the Action > Run Report option on the Clusters > My Clusters page of the Clusters plug-in to iManager.

  • SAN configuration:

    • Host bus adapter, hub or switch type

    • Device driver name and revision

    • Storage controller type

    • Storage controller firmware revision

  • SBD configuration - Single or mirrored partition?

  • LAN configuration:

    • Network interface card, hub, or switch type

    • Device driver name and revision

    • Dedicated heartbeat or shared public LAN?

  • Server configuration:

    • Type, memory, and number of CPUs

    • Software revisions and patches

    • List of RPMs

    • /opt/novell/ncs/bin/ldncs file

  • LAN packet trace

  • Console log files

  • Abend log files

  • Server coredump files

  • Observable Coincidences? For example:

    • Are poison pills experienced at the same time of day as scheduled maintenance activities?

    • Are server inventory or health checks, virus scans, backups, or periodic eDirectory activity?