Compaq ProLiant 8500 Compaq Parallel Database Cluster Model PDC/O1000 for Orac - Page 156
Troubleshooting Shared Storage Problems
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Troubleshooting 7-11 I Make sure that the TNSNames.ora file is properly configured on client and cluster nodes as defined by the Oracle Net8 Config Assistant utility. I Make sure that the Oracle TNSListener is running on the cluster nodes. From the Services screen, verify that Oracle TNSListener is started. I Make sure that the Oracle Listener files are set up on the cluster nodes by using the Oracle TNSPing utility. I Run Object Link Manager from each node to verify correct Oracle partitions and symbolic link associations. Refer to Appendix A, "Diagnosing and Resolving Shared Disk Problems," for detailed guidelines. Troubleshooting Shared Storage Problems This section addresses potential problems arising from the use of RA4000 Arrays or RA4100 Arrays as the shared storage devices for the PDC/O1000. This section does not address RA4000/RA4100 Array problems that are specific to the product itself or to the use of the RA4000/RA4100 Array in a stand-alone server configuration. For those issues, refer to the Compaq StorageWorks RAID Array 4000 User Guide or the Compaq StorageWorks RAID Array 4100 User Guide. Verifying Connectivity to a Non-Redundant Fibre Channel Fabric To ensure that all I/O path connections in a non-redundant Fibre Channel Fabric are intact and functioning, verify the following: I For each non-redundant Fibre Channel Fabric, one Fibre Host Adapter has been installed in the same PCI slot across all servers in the cluster. I Verify that the Fibre Channel cable is installed between the Fibre Host Adapter in each server and its Fibre Channel SAN Switch. Refer to "Cabling the Fibre Host Adapters to the Storage Hub, FC-AL Switch, or Fibre Channel SAN Switch" in Chapter 5, "Installation and Configuration," for cabling guidelines. I Verify that RA4000 Array Controller in each RA4000/RA4100 Array is connected by Fibre Channel cable to its Fibre Channel SAN Switch. Refer to "Cabling the Storage Hub, FC-AL Switch, or Fibre Channel SAN Switch to the RA4000 Array Controllers" in Chapter 5, "Installation and Configuration," for cabling guidelines.