Monday, August 18, 2008

Cannot re-create cluster disk resource

A cluster in User Acceptance Testing was required to test Windows 2003 Service Pack 2 and driver updates. For one reason or another some of the disk resources had been deleted but were required.

When attempting to recreate the disk resources, at the end of the New Resource wizard, Disk parameters, the Disk drop down dialog was not populated. Therefore the resource could not be recreated.

This drop down dialog is populated from :

In this case, the disk was still listed under the "signatures" key.

To confirm the disk signature :
1. Locate the disk number from Device Manager. Properties of the disk, volume tab, populate.

2. Use diskpart :
Select disk
Detail disk

The resource can then be manually added from the command line using cluster.exe :

e.g. disk signature 0xA00AB325 and assigned letter K:
cluster . res "Disk F:" /create /group:"Disk Group" /type:"physical disk"
cluster . res "Disk F:" /priv signature=0xA00AB325

The disk could then be brought on line successfully.

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