User's Guide

Appendix C Automatic Drive Cleaning
Monitoring the Drives
122 Quantum P4000 and P7000 Libraries User’s Guide
A cleaning cartridge that is defective will have its number of uses set to
20, and the library will move it to the load port.
When a cleaning cartridge is exported from the library, all record of that
cleaning cartridge is deleted.
Element Status
Information
3
The presence of cleaning cartridges results in the reporting of additional
status information in response to host-initiated Read Element Status
commands. This additional information is only present in automatic
cleaning mode and is suppressed in host-initiated cleaning mode. The
additional information may consist of the Except bit being set and the
Additional Sense Code and Additional Sense Code Qualifier values being
filled-in as well as possible changes to the Access bit (described below).
A storage element that contains a cleaning cartridge that is not used up
has the Access bit set to 1, the Except bit set to 1, and the status set to
Cleaning Cartridge Installed (ASC=30 ASCQ=03).
A storage element that contains a cleaning cartridge that is used up has
the Access bit set to 1, the Except bit set to 1, and the status set to
Operator Medium Removal Request (ASC=5A ASCQ=01).
A storage element that is empty but is the home location for a cleaning
cartridge that is currently being used in a cleaning operation has the
Access bit set to 0, the Except bit set to 1 and the status set to Cleaning
Cartridge Installed (ASC=30 ASCQ=03).
A data transfer element that is currently being cleaned as part of an
automatic cleaning operation has the Access bit set to 0, the Except bit set
to 1, and the status set to Cleaning Cartridge Installed (ASC=30
ASCQ=03).
Monitoring the Drives 3
In host-initiated cleaning mode, the host is responsible for monitoring the
drives to determine when a drive needs to be cleaned.
In automatic cleaning mode, the library monitors the drives to determine
when a drive needs to be cleaned.