Inquiry Standard Data: Invalid LUN (DLT Control Port Only)

The following tape library-specific parameters apply to this request:
  • CmdDt: B'0'
  • EVPD (Enable Vital Product Data): B'0'
  • Page Code: X'00'
  • Allocation Length: X'24' (36) bytes available

Table 1 shows the standard inquiry data that is returned (character fields are in ASCII) for a LUN that is not associated with an installed device. For more detail, go to the section about default SCSI ID and Loop ID (AL_PA) assignments for the tape library.

Table 1. Standard Inquiry Data Returned for a LUN Not Associated with an Installed Device
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Peripheral Qualifier (B'011') Peripheral Device Type (X'1F')
1 RMB (B'0') Reserved
2 ISO/IEC Version (B'00') ECMA Version (B'000') ANSI Approved Version (B'011')
3 AERC (B'0') Obsolete (B'0') NormACA (B'0') HiSupport (B'0') Response Data Format (B'0010')
4 Additional Length (n-4) (X'1F' or 31 bytes)
5 SCCS (B'0') Reserved
6 BQue (B'0') EncServ (B'0') BarC (B'1') MultiP (B'0') MChngr (B'0') AckReqQ (B'0') Addr32 (B'0') Addr16
7 RelAdr (B'0') WBus32 (B'0') WBus16 Sync Linked (B'0') TranDis (B'0') ComQue (B'0') SftRe (B'0')
8-15 Manufacturer ('IBM     ') (in ASCII)
16-31 Device Type and Model Number
32-35 Product Revision Level
  • Device Type and Model Number: ASCII blanks are returned.
  • Product Revision Level: ASCII blanks are returned.