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Appendix C Automatic Drive Cleaning

Supervising the Drive Cleaning Operation

106 Quantum|ATL P3000 Series User’s Guide

If the host attempts to move a cartridge to a cleaning cartridge’s

home location while the cleaning cartridge is being used in a

cleaning operation, the Move Medium command fails, a check

condition is set in the returned status byte and a subsequent

Request Sense returns a Cleaning Cartridge Installed status (SK=5

ASC=30 ASCQ=03). The cleaning cartridge’s original location is

not available until either the library determines that the cleaning

cartridge’s location is empty (with an Initialize Element Status) or

the library moves the cleaning cartridge to a different storage

element.

Supervising the Drive Cleaning Operation

When a cleaning cartridge is placed into a drive, the drive loads

the cartridge and initiates the cleaning operation. The library is still

available to service host-initiated commands during the drive

cleaning operation.

If the host attempts to move a cartridge into the drive that is being

cleaned, a check condition is set in the returned status byte and a

subsequent Request Sense returns a Cleaning Cartridge Installed

status (SK=5 ASC=30 ASCQ=03).

Upon completion of the cleaning operation, the drive rewinds and

unloads the cleaning cartridge.

If a drive does not complete the cleaning operation and unload the

cleaning cartridge within five minutes, the library classifies the

cartridge as defective.

The library monitors the drive “HANDLE_OK” flag to determine

when the cleaning cartridge has been unloaded.

Note:

Unsuccessful drive cleaning operations may not rewind

and unload the cartridge, especially if it is a data

cartridge incorrectly labeled as a cleaning cartridge.

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Quantum P3000 Guide de l'utilisateur Page 126