SCSI Commands: 22BMODE SELECT
Page
96
Field
Bytes
Bits
Description
RR_TOV UNITS
6
0-3
Units, in seconds, of theSequence Initiative Resource Recovery
Timeout Value field.
000b = No timer is specified. The value in RR_TOV
SEQ_INT
is
ignored and the drive default value of 2000msec is used.
001b = 0.001s
011b = 0.1s
101b = 10s
All other values are reserved.
RR_TOV
SEQ_INT
7
Sequence Initiative Resource Recovery Timeout Value
(RR_TOV
SEQ_INT
) in the units specified by the RR_TOV Units
field. Default value is 20.
Reserved
All reserved bits must be 0.
3.10.11.2
Protocol-Specific Port Mode Page (19h) for SAS – Short Format
The mode page policy for the Protocol-Specific Logical Unit mode page short format
subpage applies to the single target port.
Byte
Bits
7 6 5 4 3 2 1 0
0
PS
SPF (0)
Page Code (19h)
1
Page Length (06h)
2
Reserved
Ready
LED
Meaning
Protocol Identifier (SAS = 6h)
3
Reserved
4
(MSB)
5
I_T Nexus Loss Time
(LSB)
6
(MSB)
7
Initiator Response Timeout
(LSB)
3.10.11.2.1
SAS Port Page Field Descriptions
Field
Bytes
Bits
Description
Page Code
0
0-5
19h, indicating a Port Control Mode Page.
SPF
0
6
Sub Page Format.
0 = page_0 Mode Page format
1 = Sub_page format
Parameters
Saveable
0 7
Page
Length
1
06h, indicating that six parameter bytes follow the Page Length
byte.
Protocol
Identifier
2
0-3
6 = Serial attached SCSI
Ready LED
Meaning
2
4
Not implemented, set to 0.
I_T Nexus
Loss Time
4-5 The time in milliseconds that the drive retries connection requests to
the initiator port that are rejected with responses indicating the
initiator port may no longer be present. The default is 2000.
0FFFFh – retry forever
0001h-0FFFEh – time in milliseconds
0000h – The default value of 2000 will be used.
Содержание LTO 4
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