SCSI Commands: 22BMODE SELECT
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3.10.10Protocol-Specific Logical Unit Mode Page (18h)
The Protocol-Specific Logical Unit mode page is implemented for Fibre Channel and
SAS drives. The implementation differs according to the protocol.
3.10.10.1
Fibre Channel Logical Unit Mode Page (18h)
The Fibre Channel Logical Unit mode page contains those parameters that select FCP
logical unit operation options, which only includes the enabling and disabling of precise
delivery checking.
Byte
Bits
7 6 5 4 3 2 1 0
0
PS
SPF (0)
Page Code (18h)
1
Page Length 06h)
2
Reserved
Protocol Identifier (FCP = 0h)
3
Reserved EPDC
4
Reserved
5
Reserved
6
Reserved
7
Reserved
3.10.10.1.1
Fibre Channel Logical Unit Page Field Descriptions
Field
Bytes
Bits
Description
Page Code
0
0-5
18h, indicating the Fibre Channel Logical Unit Control Mode Page.
Page
Length
1
06h, indicating that six parameter bytes follow the Page Length
byte.
Protocol
Identifier
2
0-3
0 = Fibre Channel Protocol for SCSI (FCP)
EPDC
3
0
0 = Disable Precise Delivery Checking
1 = Enable Precise Delivery Checking
Reserved
All reserved bits must be 0.
3.10.10.2
SAS Logical Unit Mode Page (18h)
The SAS Logical Unit mode page The Protocol-Specific Logical Unit mode page (see
SPC-3) contains parameters that affect SSP target port operation on behalf of the
logical unit.
Byte
Bits
7 6 5 4 3 2 1 0
0
PS
SPF (0)
Page Code (18h)
1
Page Length 06h)
2
Reserved
Transport
Layer
Retries
Protocol Identifier (SAS = 6h)
3
Reserved
4
7
Reserved
Содержание LTO 4
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