Sense Data Basic Information; Expanded Sense Data Format; Sense Key Inherent Information - Fujitsu MAP3147 Scsi Logical Interface Specifications

Sense Data Error Recovery Methods
Bit
Byte
0
1
2
3
4
5
6
7
8
9
10
Basic
Information 11
12
13
14
15
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
Valid
0 0 ILI
MSB
X '28' (Additional Sense Data Length)
MSB
Command Inherent Information
SKSV

Sense Key Inherent Information

0 0 0
Detailed Information
Figure 5.1

Expanded sense data format

4 3
X '70' or X '71' (Error Code)
X'00'
0
Information
Sense Code
Sub-sense Code
X'00'
0 IDD SCSI ID
CDB Operation Code
2 1 0
Sense Key
LSB
LSB
C141-E167