ATTO Technology Diamond Storage Array VT-Class User Manual

Page 29

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18

In-band CLI

to an initiator that specifies an incorrect Buffer
ID, Mode, Length or Buffer Offset. The Mode is

always Data (0x2), the Buffer ID is always 0 and
the Buffer Offset is always 0.

Exhibit 4.1-2 The SCSI command process: reserve the Diamond-VT, send the command, release the Diamond-VT.

Initiator/Host

Diamond-VT

Goal: reserve the Diamond-VT for an in-band CLI command

SCSI cdb: Reserve LUN 0

=>

<=

SCSI success

Goal: retrieve the Diamond-VT temperature via in-band CLI

1. Issue the command:

SCSI cdb: WriteBuffer LUN 0, bid=’AA’, “get Temperature\n”

=>

places “Temperature=28C\n\r” into
the read-data buffer

<=

SCSI success

2. Retrieve the results:

SCSI cdb: ReadBuffer LUN 0, bid=’AA’

=>

<=

Returns “Temperature=28C\n\r” from
the read-data buffer

<=

SCSI success

Goal: release the Diamond-VT for other in-band users

SCSI cdb: Release LUN 0

=>

<=

SCSI success

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