Owner's Manual

36 Appendix
Last Clean Number of hours since the Last-clean was done.
Clean Required Set to Yes if cleaning-required condition exists.
Replace Cleaning Tape Set to Yes if cleaning tape needs replacement.
Number of Drive Cleans Drive cleaning cycle count.
Number of Tape Cleans Number of cleaning sessions per cartridge.
Power On Hours (POH) Amount of time a tape drive has been turned on.
Tap e Mo ti on H ou rs /
Cylinder on Hours
(COH)
Amount of time the tape drive has been used for
backups and restores.
Load Count Number of times a tape cartridge was loaded. Some drives
increment this value when a tape cartridge is inserted and
some increment this value when a tape drive is unloaded.
Number of Cleans Number of cleaning sessions per cartridge.
Time in COH when
Incompatible media
was last loaded.
Time stamp in COH
Time in POH when the
Over temperature
condition occurred –
returns zeros
Time stamp in POH
Time in POH when the
Power issue condition
occurred
Time stamp in POH
Total Number of
Cleaning
Total number of cleanings that are done using a
cleaning tape.
Time since last
cleaning
Time stamp in hours.
Time in COH of last
emergency eject
Time stamp in COH.
Table A-1. Additional Device Information for Storage Diagnostics
(continued)
Parameter Description