Quantum DLT 4700, Руководство по эксплуатации продукта

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DLT4000 SCSI Interface
8-18 DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem
8.4.4.1 Drive Inquiry Response
The DLT4000 drive 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
Rsvd MChngr Reserved
7
RelAdr WBus32 WBus16 Sync Linked RSVD CmdQue SftRe
8-15
Vendor ID = “Quantum “*
16-31
Product ID = “DLT4000 “
32-35
Product Revision Level = “hhss”
36-55 Vendor Unique bytes
*Applies to code version V25 and future updates, but does not apply to code version
V20 or earlier code versions.
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.