2011
04.27

This one is a continuation on yesterday’s post.  Microsoft did post KB2531907 on the net – and that’s a good thing.  I’d recommend this patch becomes a part of your standard build for Windows Server 2008 R2 Service Pack 1 failover clusters.  Test before you deploy.

“Consider the following scenario:

  • You configure a failover cluster that has three or more nodes that are running Windows Server 2008 R2 Service Pack 1 (SP1).
  • You have cluster disks that are configured in groups other than the Available Storage group or that are used for Cluster Shared Volumes (CSV).
  • These disks are online when you run the Validate SCSI Device Vital Product Data (VPD) test or the List Potential Cluster Disks storage validation test.

In this scenario, the Validate SCSI Device Vital Product Data (VPD) test fails. Additionally, you receive an error message that resembles the following:

 

Failed to get SCSI page 83h VPD descriptors for cluster disk <number> from <node name> status 2

The List Potential Cluster Disks storage validation test may display a warning message that resembles the following:

Disk with identifier <value> has a Persistent Reservation on it. The disk might be part of some other cluster. Removing the disk from validation set.

The following hotfix resolves an issue in which the storage test runs on disks that are online and incorrectly not in the Available Storage group.

The error and warning messages that are mentioned in the “Symptoms” section may also occur because of other issues such as storage problems or an incorrect configuration. Therefore, you should investigate other events, check the storage configuration, or contact your storage vendor if this issue still occurs after you install the following hotfix”.

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