SCSI Commands: 21BLOG SENSE
Page
75
Each event is 82 bytes in length, including the four-byte parameter header, as
shown below.
Bits
Byte
7 6 5 4 3 2 1 0
0 (MSB)
1
PARAMETER CODE
(LSB)
2
DU
(0)
DS
(1)
TSD
(0)
ETC
(0)
TMC
(00b)
LBIN
(1)
LP
(0)
3
PARAMETER LENGTH
(4Eh)
4 (MSB)
7
POWER ON HOURS
(LSB)
8 (MSB)
11
TAPE MOTION HOURS
(LSB)
12 Reserved
13
SENSE KEY
14
ASC
15
ASCQ
16
37
Reserved
38 (MSB)
39
MESSAGE CODE
(LSB)
40 (MSB)
43
REPEAT COUNT
(LSB)
44 (MSB)
47
THREAD COUNT
(LSB)
48 (MSB)
51
TOTAL DATA SETS
(LSB)
52 (MSB)
55
TIMESTAMP
(LSB)
56
63
FIRMWARE VERSION
64
71
CARTRIDGE MANUFACTURER
72
81
CARTRIDGE SERIAL NUMBER
Multi-byte numeric fields are in big-endian format. Each field records the specified
data at the time the event occurred. If the repeat count is one or more, then the
parameter indicates that the specified event occurred multiple times in succession
without any other event type in between, and the fields contain the values
corresponding to the most recent occurrence of the event.
Field Bytes
Description
Power On Hours
4
The number of hours that the drive had been powered on since
manufacture when the event occurred.
Tape Motion
Hours
4
The number of hours of hours of tape motion across the head since
manufacture when the event occurred.
Sense Key
1
The Sense Key value reported for the event.
ASC
1
The Additional Sense Code reported for the event.
ASCQ
1
The Additional Sense Code Qualifier reported for the event.
Содержание LTO 4
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