User's Manual

DLT2000 SCSI Interface
8-18 DLT2000/DLT2700 Cartridge Tape Subsystem
when Allocation Length bytes have been transferred, or when all available Inquiry data
has been transferred to the initiator, whichever is less.
8.4.4.1 Drive Inquiry Response
The DLT2000 passes back the following information in response to an INQUIRY
command on the drive LUN:
Bit
7 6 5 4 3 2 1 0
0
Peripheral Qualifier Peripheral Device Type
1
RMB Device Type Modifier
2
ISO Version ECMA Version ANSI-Approved Version
3
Anec TrmIOP Reserved Response Data Format
4
Additional Length (33h)
Byte 5
Reserved
6
Reserved
7
RelAdr WBus32 WBus16 Sync Linke
d
RSVD CmdQue SftRe
8-15
Vendor ID = “Quantum “
16-31
Product ID = “DLT2000 “
32-35
Product Revision Level = “hhss”
36-55
Vendor Unique bytes
Figure 8-5 INQUIRY Response Data
Peripheral Qualifier
The tape drive returns one of the following values in this field:
• 000b - The indicated Peripheral Device Type is connected to the logical unit.
• 001b - The indicated Peripheral Device Type is not connected to the logical unit;
however, the tape drive is capable of supporting the indicated Peripheral Device
Type at the specified logical unit.
• 011b - The target is not capable of supporting a physical device on this logical unit.
For this case, the Peripheral Device Type will be set to 1Fh.
Peripheral Device Type
On the tape drive LUN, this field is set to 01h, indicating a sequential access device. On
the Medium Changer LUN, this field is set to 08h. All other LUNs will return 1FH.