Filter
Top Products
Sense Data Error Recovery Methods
5 - 2 C141-E167
Bit
Byte
76543210
0 Valid X ‘70’ or X ‘71’ (Error Code)
1 X‘00’
200ILI0 Sense Key
3MSB
4
5 Information
6LSB
7 X ‘28’ (Additional Sense Data Length)
8MSB
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.
(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.
Detailed Information
Basic
Information
Additional
Information