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Chapter 4 SCSI Commands
INQUIRY Command (12h)
DLT-S4 Interface Reference Guide
46
Logical Unit NAA Identifier
4
Figure 13
shows the format of the
Logical Unit NAA Identifier
.
Figure 13 Logical Unit NAA
Identifier — Data Format
Table 23 Logical Unit NAA
Identifier — Field Descriptions
Bit
Byte
7
6
5
4
3
2
1
0
0
Protocol Identifier (0)
Code Set (1)
1
PIV (0)
Reserved
Association (0)
Identifier Type (3h)
2
Reserved
3
Identifier Length (08h)
4 — 11
(MSB)
NAA Identifier (binary)
(LSB)
Field
Description
Protocol Identifier
Set to 0.
Code Set
Set to 1h, indicating binary data.
PIV
Set to 0, indicating that the value returned in the Protocol Identifier field
should be ignored.
Association
Set to 0, indicating that the Identifier is associated with the logical unit.
Identifier Type
Set to 3h indicating this identifier is of the NAA type.
Identifier Length
Specifies the length in bytes of the Identifier field. If the Allocation Length
field of the CDB is too small to transfer the entire identifier, the Identifier
Length value is not adjusted to reflect the truncation.
NAA Identifier
Contains the Name Address Authority (NAA) identifier for the logical unit.