Request sense data, Request sense data 12, Cdb fields – HP C737990900 User Manual
Page 129

Commands 129
Co
m
m
an
ds
CDB Fields:
Request Sense Data
The following diagram shows the format of the data returned for the
REQUEST
SENSE
command following the reporting of
CHECK CONDITION
by the drive:
Logical Unit
Number
This field is ignored.
Allocation
Length
0
No data is transferred to the host.
>0 The maximum amount of sense data in bytes that should be transferred to the host. The
drive returns up to Allocation Length bytes of data; any extra sense data is lost.
7
6
5
4
3
2
1
0
0
Valid
Error Code
1
Segment Number (0)
2
Mark
EOM
ILI
Rsvd(0)
Sense Key
3
(MSB)
Information Bytes
6
(LSB)
7
Additional Sense Length (0Eh)
8
(MSB)
Command Specific Information Bytes
11
(LSB)
12
Additional Sense Code
13
Additional Sense Code Qualifier
14
Field Replaceable Unit Code
15
SKSV
C/D
Reserved (0)
BPV
Bit Pointer
16
(MSB)
Field Pointer/Drive Error Code
17
(LSB)
18–20
Reserved (0)
21
Reserved (0)
CLN
Reserved (0)