Sense Data Basic Information; Figure 5.1 Expanded Sense Data Format - Fujitsu MAX3073NC - SCSI,80, Dell DC961,Hard Drive Scsi Logical Interface Specifications

Sense Data Error Recovery Methods
Bit
Byte
0 Valid
1
2
3 MSB
4
5
6
7
8 MSB
9
10
Basic
11
Information
12
13
14
15 SKSV
16
17
18
19
20
Additional
Information
47
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.
(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.
5-2
7 6 5
X '70' or X '71' (Error Code)
0 0 ILI
X '28' (Additional Sense Data Length)
Command Inherent Information
Additional Sense Code
Additional Sense Code Qualifier
Sense Key Inherent Information
0 0 0
CDB Operation Code
Detailed Information
Figure 5.1 Expanded sense data format
4 3 2
X'00'
0 Sense Key
Information
X'00'
0 IDD SCSI ID
1 0
LSB
LSB
C141-C010