Check category: Availability

Check description: Validate that the node ID values between LLT and Oracle Clusterware are the same.

Check procedure:

• Retrieves the node ID values from the llthosts file.

Check recommendation: It is recommended that the node ID values between Low Latency Transport (LLT) and Oracle Clusterware should be same.

Check category: Availability

Check description: Checks whether all GAB ports are configured on the system.

Check procedure:

• Identifies all the GAB ports that are configured on the system.

Check recommendation: It is recommended that you configure all the GAB ports in the system.

Check category: Availability

Check description: Verifies whether I/O fencing is properly configured for cluster.

Check procedure:

• Determines the fencing mode using the 'vxfenadm' command and verifies whether fencing mode is set to either SCSI-3 or SYBASE or CPS or customized.

Check recommendation: Either I/O fencing is not running on the system or fencing mode is not configured properly. It is recommended to configure I/O fencing with fencing mode configured as per product requirements when using SFCFS to avoid VxFS file system corruption.

Check category: Availability

Check description: Checks that packages installed across all the nodes in a cluster are consistent

Check procedure:

• Identifies the packages installed on all the nodess in a cluster.

Check recommendation: Ensure that packages installed on all the nodes in a cluster are consistent and package versions are identical. Inconsistent packages can cause errors in application fail-over.

Check category: Availability

Check description: Checks whether the processors have the same clock cycle frequency across the cluster.

Check procedure:

• Determines the CPU speed of each system in the SFRAC cluster.

Check recommendation: All nodes in a cluster must have identical processors with the same clock cycle frequency.

Check category: Availability

Check description: Checks the quick I/O (QIO) license across all nodes in a single cluster to ensure that each node has the same QIO license feature.

Check procedure:

• Checks whether VxVM Volume Manager, Cluster Server (VCS), and Cluster File System (CFS) packages are installed on the system.

Check recommendation: The QIO/ODM license feature should be consistent across all nodes in the cluster.

Check category: Best practices

Check description: Checks whether the installed Storage Foundation / InfoScale products are at the latest software patch level.

Check procedure:

• Identifies all the Storage Foundation / InfoScale products installed on the system.

Check recommendation: To avoid known risks or issues, it is recommended that you install the latest versions of the Storage Foundation / InfoScale products on the system.