Saf-Te Command Implementation; Inquiry Command - Sun Microsystems StorEdge D2 Array Best Practices Manual

6
C H A P T E R

SAF-TE Command Implementation

SCSI Accessed Fault-Tolerant Enclosures (SAF-TE) support six SCSI commands
including WRITE BUFFER, READ BUFFER, INQUIRY, TEST UNIT READY, SEND
DIAGNOSTIC, and REQUEST SENSE. These commands are detailed in the following
sections:
Section 6.1, "Inquiry command" on page 6-1
Section 6.2, "SAF-TE Read Buffer Commands" on page 6-3
Section 6.3, "SAF-TE Write Buffer Commands" on page 6-9
6.1

Inquiry command

The host uses the
enclosure. The table below shows the response data format from the
command.
TABLE 6-1
Byte
0
1
2
command to request parameter information from the
INQUIRY
I
Data
NQUIRY
Bit Description
7-5 Peripheral Qualifier
4-0 Peripheral Qualifier
7-0 00h
7-3 0
INQUIRY
Returned Value/ Notes
000b if LUN 0 (the only valid) is
selected
011 if LUN 0 is not selected
03h (SCSI Processor Device) if
LUN 0 (the only valid LUN) is
selected 1Fh (No device type) if
LUN 0 is not selected
Returns 00h
0
6-1