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PVR (tape only). The descriptive name of the PVR used to control this drive. This field is only
meaningful for tape drives.
Administrative State. This field allows you to modify the state of the drive. The options are:
• Locked - Makes the drive unavailable for HPSS requests.
• Unlocked - Makes the drive available for HPSS requests.
• Mark Repaired - Tells the PVL to clear any error status for the drive. This can be useful if you
think a problem has been fixed, but the PVL is unaware of it. This does not do anything, in
hardware or software, to fix a problem; it only clears error indicators.
Operational State. Indicates the drive’s ability to handle HPSS requests. Possible values for this field
are:
• Enabled - The drive is available for HPSS requests.
• Disabled - The drive is unavailable for HPSS requests; possibly caused by setting the “Locked”
Administrative State (see above) or if an error occurred when mounting or dismounting a
cartridge on the drive.
• Broken - This value will appear only when the PVL is in the midst of shutting itself down because
of a fatal error.
• Unknown - The state of the device is not known to SSM; this is usually caused by the PVL being
down or disconnected from SSM.
Usage State. Indicates the state of the PVL’s control over the drive. Possible values for this field are:
• Active - The drive is in use.
• Idle - The drive is not in use.
• Busy – The drive is busy.
• Unknown – The state is not known to SSM.
Drive State. The current state of the drive as reported by the PVL. Possible values for this field:
• Clear - The drive has been created, but the associated Mover and PVR (if tape) haven't
successfully been notified.
• In Use - A volume is currently mounted or in the process of being mounted on the drive.
• Free - The drive is unoccupied.
• Dismount Pending - The drive is in the process of dismounting a volume.
• Deleted – The drive has been deleted (metadata no longer exists).
Drive Flag. This field describes possible actions that the PVL needs to perform for the drive. Possible
flags are:
• Clear - Nothing needs to be done.
• Modified - Set by SSM when the drive has been modified. It was added for a future feature;
currently unsupported.
HPSS Management Guide November 2009
Release 7.3 (Revision 1.0) 217