Commands 47
Commands
Inquiry Data Fields
Peripheral Qualifier 000b
011b
There is a device on the logical unit selected, so the LUN field in the identify
message was 0.
The LUN field in the identify message has specified an unsupported logical unit.
This means any LUN other than 0.
Peripheral Device
Type
01h
08h
1Fh
Sequential Access Device
Medium Changer Device
No Device (the Peripheral Qualifier will be 011b in this case)
RMB 1 The Removable Medium bit is one, indicating that the tape can be removed.
Device-Type Modifier 0 This is a six-bit user defined code, set to zero.
Version Number 3 The Version Number is always set to 3, indicating that the drive complies to
ANSI X3.301:1997
AERC 0 This field is zero, indicating that Asynchronous Event Reporting Capability is not
supported.
NACA 0 The Normal ACA flag is 0, indicating that it is not supported.
HiSup 0 The Hierarchical Support flag is 0, indicating that the hierarchical addressing
model is not supported.
Response Data
Format
2 This field has the value 2, indicating that the Inquiry Data format complies with the
ANSI version of SCSI-2.
Additional Length The length in bytes of the length of the rest of the Inquiry data.
5Bh There are 91 (5Bh) more bytes of Inquiry data.
BQue Basic Queuing flag
0 The flag is zero for SCSI drives. Together with the CmdQue flag being zero this
indicates that the device does not support tagged tasks for this logical unit.
1 The flag is 1 for Fibre Channel drive, indicating the basic queuing is supported.
EncSvr The Enclosure Services flag is zero to indicate that the tape drive does not support
Enclosure Services command.
MultiP 0 The drive has a single port and does not implement multi-port requirements.
1 The drives has multiple ports.
MChngr The Medium Changer bit:
0
1
The drive is not embedded within or attached to a medium transport element.
The drive is embedded within or attached to a medium transport element.
Adr16 The 16-Bit Address flag is set according to whether the hardware supports this bus
feature. The flag is only valid for parallel SCSI and is clear for all other low level
interfaces.
RelAdr 0 Relative Addressing is not supported.
