Fujitsu MAP3735 Manual Do Utilizador
Sense Data Error Recovery Methods
5 - 2
C141-E167
Bit
Byte
Byte
7
6
5
4
3
2
1
0
0
Valid
X ‘70’ or X ‘71’ (Error Code)
1
X‘00’
2
0
0
ILI
0
Sense Key
3
MSB
4
5
Information
6
LSB
7
X ‘28’ (Additional Sense Data Length)
8
MSB
9
10
Command Inherent Information
11
LSB
12
Sense Code
13
Sub-sense Code
14
X‘00’
15
SKSV
16
Sense Key Inherent Information
17
18
0
0
0
0
IDD SCSI ID
19
CDB Operation Code
20
47
Figure 5.1
Expanded sense data format
5.1.2
Sense data basic information
Bytes 0 to 17 of the sense data are basic information which show the contents of the error that has
occurred. The INIT can know the contents of the error and the key information that is necessary for
recovery processing by analyzing this basic information. Each field and the meanings of bits in the
sense data basic information are explained below.
occurred. The INIT can know the contents of the error and the key information that is necessary for
recovery processing by analyzing this basic information. Each field and the meanings of bits in the
sense data basic information are explained below.
(1)
Valid
When this bit is “1,” it indicates that the values shown in the information field (bytes 3 to 6) are
valid. On the other hand, when this bit is “0”, it indicates that the information field does not contain
valid information.
valid. On the other hand, when this bit is “0”, it indicates that the information field does not contain
valid information.
Detailed Information
Basic
Information
Information
Additional
Information
Information