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SCSI Commands

Quantum DLT 4000 Tape Drive 5-143

REQUEST SENSE Command (03h) (continued)

Table 5–68 Supported ASC / ASCQ in Hex (continued)

Sense Key ASC ASCQ Description

0Bh 2F 00 Commands Cleared by Another Initiator

COMMAND 43 00 Message Error

ABORTED 44 80 Unexpected Selection Interrupt

44 82 Command Complete Sequence Failure

44 83 SCSI Chip, Gross Error/ Illegal – Command Status

44 84 Unexpected/Unexplained Residue Count in Transfer

44 87 Disconnect Sequence Failed

44 89 Command Cleared from Queue Without Other

45 00 Select/Reselect Failure

47 00 SCSI Parity Error

48 00 IDE Message Error

49 00 Invalid Message Error

4B 00 Data Phase Error

4E 00 Overlapped Commands Attempted

83 00 Can not Retry Read/Write Data Transfer

0Dh VOLUME OVERFLOW (No Additional Sense Code or Sense Code Qualifier)

0Eh MISCOMPARE (No Additional Sense Code or Sense Code Qualifier)

* = Medium Changer specific command.

Filemark, End of Medium (EOM), and Incorrect Length Indicator (ILI) Bits

Filemark (byte 2, bit 7), EOM (byte 2, bit 6), and ILI (byte 2, bit 5) are names

of fields in the SCSI-2 REQUEST SENSE command. Any of these bits may be set

to a 1 even though the Additional Sense Code (ASC) / Additional Sense Code

Qualifier (ASCQ) bits have a value of 0.

For example:

? Filemark, EOM, ILI bit may be set to 1 with No Sense key (00h) and ASC /

ASCQ = 00 00.

? Filemark, EOM, ILI bit may be set to 1 with Recovered Error (01h) and ASC

/ ASCQ = 00 00.

? Filemark, BOM, ILI bit may be set to 1 with Medium Error (03h) and ASC /

ASCQ = 00 00.

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Quantum DLT 4000 Manual Página 243