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vxfentsthdw fails when prior registration key exists on disk

If you attempt to use the vxfentsthdw utility to test a disk that has a registration key already set, it will fail. If you suspect a key exists on the disk you plan to test, use the vxfenadm -g command to display it.

 To display a key on a disk

Enter:

# vxfenadm -g diskname

• If the disk is not SCSI-3 compliant, an error is returned indicating:

  Inappropriate ioctl for device.

• If you have a SCSI-3 compliant disk and no key exists, then the output resembles:

  Reading SCSI Registration Keys...

  Device Name: diskname

  Total Number Of Keys: 0

  No keys ...

  Proceed to test the disk using the vxfentsthdw utility. See Testing the disks using the vxfentsthdw script.

• If keys exist, you must remove them before you test the disk. Refer to "Removing Existing Keys From Disks" in the next section.