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4.1 Control/Sense Commands
c. Device unique information
This VPD information reports the HDD unique information. The format
of this VPD information is shown in Table 4.10.
Table 4.10 VPD information: device unique information (1/2)
Bit
Byte
7 6 5 4 3 2 1 0
0 Qualifier Device Type Code
1 X'83' (Page Code)
2 X'00'
3 X'48' (Page Length)
Logical unit identifier
4 PROTOCOL IDENTIFIER (0h) CODE SET (1h)
5
PIV
('0b')
Reserved
('0'b)
Association
('00b')
Identifier type (3h)
6 Reserved (X'00')
7 Identifier length (X'08')
8 (MSB)
/ IDENTIFIER for the logical unit
15 (LSB)
Target port identifier
16 PROTOCOL IDENTIFIER (6h) CODE SET (1h)
17
PIV
('1b')
Reserved
('0'b)
Association
('01b')
Identifier type (3h)
18 Reserved (X'00')
19 Identifier length (X'08')
20 (MSB)
/ IDENTIFIER for the target port (i.e. the SAS address)
27 (LSB)
Relative target port identifier
28 PROTOCOL IDENTIFIER (6h) CODE SET (1h)
29
PIV
('1b')
Reserved
('0'b)
Association
('01b')
Identifier type (4h)
30 Reserved
C141-C013 147