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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.

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 385 386

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