Quantum LTO 4, Руководство пользователя

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SCSI Commands: 21BLOG SENSE Page 77
3.9.20 Tape Device Statistics Log Page (3Eh)
The Tape Device Statistics Log Page defines data counters associated with both the
tape drive and the tape cartridge. All drive parameters are persistent across a
power cycle. All media parameter follow the currently loaded tape cartridge. The
parameters shall not be set to zero or changed with the use of a LOG SELECT
command.
Page Code Page Length
3Eh 6Ch
Parameter Description Length
7000h Tape Alert Flags bitmap 8
8000h Drive lifetime media load count 4
8001h Drive lifetime media motion hours 4
8002h Drive media motion hours since last clean 4
8003h Drive periodic cleaning interval in media motion hours 4
8004h Drive lifetime gigabytes written to tape 4
8005h Drive lifetime gigabytes read from tape 4
9000h Media lifetime load count 4
9001h Media lifetime load count threshold 4
9002h Media lifetime wear passes count 4
9003h Media lifetime wear passes count threshold 4
9004h Media lifetime wear hours count 4
9005h Media lifetime wear hours count threshold 4
3.9.21 LOG SENSE Completion Status
Code Message Description
00h Good Status
•
The drive is ready to perform any appropriate command.
•
The requested log page is returned.
•
The tape position is not changed.
02h Check
Condition Use the REQUEST SENSE command to retrieve status information.
Possible Sense Keys are:
Code Message Description
04h Hardware Error Parity error on the SCSI bus or drive
hardware failure.
05h Illegal Request The Command Descriptor Block is invalid.
06h Unit Attention The cartridge was changed, or the drive
was reset prior to this command.