Compaq ProLiant 6400R Compaq Parallel Database Cluster Model PDC/O1000 for Ora - 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.

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Troubleshooting
7-11
■
Make sure that the TNSNames.ora file is properly configured on client
and cluster nodes as defined by the Oracle Net8 Config Assistant utility.
■
Make sure that the Oracle TNSListener is running on the cluster nodes.
From the
Services
screen, verify that Oracle TNSListener is started.
■
Make sure that the Oracle Listener files are set up on the cluster nodes
by using the Oracle TNSPing utility.
■
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:
■
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.
■
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.
■
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.