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Custom Reports Using Data Collectors

Risk Assessment Checklist Report for

Product: Storage Foundation Cluster File System HA

Platform: AIX

Product version: 4.x

Product component: High Availability

Check category: All

Summary

GAB ports' availability

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.
  • Checks whether the number of GAB ports configured is equal to eight.


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



Verify I/O fencing for cluster

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.


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Understanding I/O Fencing
I/O Fencing for SFCFS

Package Consistency

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.
  • Verifies that the package installed and its version are consistent across all the nodes in the 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.



Quick I/O (QIO) in a cluster

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.
  • Verifies whether the QIO/ODM license feature is consistent across all nodes in the cluster.


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


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Mount failures
Mount failures in SFCFS

VCS application agent

Check category: Availability


Check description: Checks for the presence of VCS application agents in the system.


Check procedure:

  • Identifies the VCS application agents that are configured and installed.
  • Verifies whether the VCS application agents have correct versions.


Check recommendation: It is recommended that you install the missing VCS application agents listed in the output details.



VCS replication agent

Check category: Availability


Check description: Checks for the presence of VCS replication agents on the system.


Check procedure:

  • Identifies the VCS replication agents that are configured and installed.
  • Verifies whether the VCS replication agents have correct versions.


Check recommendation: It is recommended that you install the missing VCS replication agents listed in the output details.



Verify software patch level

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.
  • Verifies whether the installed products have the latest software versions that are available for download.


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.



 
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