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42 Zeus

IOPS

3.5-Inch Fibre Channel Solid State Drive

MODE (6) SENSE COMMAND (1Ah)

The MODE SENSE (6) command provides a means for a target to report parameters to the initiator.

It is a complementary to the MODE SELECT (6) command.

A Disable Block Descriptors (DBD) bit of zero indicates that the target may return zero or more block

descriptors in the returned MODE SENSE data, at the target's discretion. A DBD bit of one specifies

that the target shall not return any block descriptors in the returned MODE SENSE data. The page

control (PC) field defines the type of mode parameter values to be returned in the mode pages. The

page code specifies which mode page to return.

Table 21. Mode Sense CDB

Bit

Byte 7 6 5 4 3 2 1 0

Operation Code (1Ah)

Logical Unit Number (RSVD) Reserved DBD Reserved

PC Page Code

Reserved

Allocation Length

5 Control

Table 22. Page Code Field Descriptions

Page Code Description Subclause

00h

Vendor-specific (does not require page format)

01h - 1Fh

See specific device-types

20h - 3Eh

Vendor-specific (page format required)

3Fh

Return all mode pages

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 109 110

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SimpleTech ZeusIOPS Manual Pagina 44