Diagnosing And Resolving Shared Disk Problems; Introduction - Compaq 112726-001 - ProLiant - 6500 Administrator's Manual

Diagnosing and Resolving Shared Disk

Introduction

When one or more nodes in a Compaq Parallel Database Cluster Model
PDC/O2000 (referred to here as the PDC/O2000) cannot properly join the
cluster, you need to consider two possible causes:
I
A problem related to the shared disk storage in the cluster's Compaq
StorageWorks RAID Array 4000s (RA4000 Arrays) or Compaq
StorageWorks RAID Array 4100s (RA4100 Arrays) is preventing one or
more nodes from accurately viewing or successfully accessing the
available shared storage resources.
I
A connectivity problem exists either within the cluster interconnect or
the client LAN, preventing one or more nodes from communicating with
the other nodes or preventing a client from communicating with the
cluster.
This appendix describes the procedures you should follow to diagnose and
resolve suspected shared disk problems in a PDC/O2000.
A
Appendix
Problems