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Request sense command (03h) (continued) – Quantum 10K II User Manual

Page 244

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SCSI Description

Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives

5–177

REQUEST SENSE Command (03h) (continued)

Table 5–85 Sense Key Information Field Contents

Command

Sense Key

Field Contents

FORMAT UNIT

RECOVERED ERROR

The address of the first bad sector
encountered during the format operation.
This sector, and all other bad sectors found
during a format operation, are
automatically reallocated by the drive.

ILLEGAL REQUEST

The first illegal defect descriptor
encountered in the Defect Descriptor List.

READ(6)(10)

RECOVERED/MEDIUM ERROR

The address of the first bad sector found
during the read (possible only when
PER=1, DTE=0, and DCR=0.). For a
RECOVERED ERROR, the last Logical Block
Address in the error is returned; for a
MEDIUM ERROR the first Logical Block
Address is returned.

READ LONG

RECOVERED/MEDIUM ERROR

READ(6)(10) error recovery qualifiers apply.
The information field echoes this
command's Logical Block Address field.

ILLEGAL REQUEST

The transfer length residue (requested,
minus correct length) if the transfer length
is wrong. Note: ILI will be set.

REASSIGN BLOCKS

HARDWARE ERROR

The address of the first logical sector is not
reassigned (the drive ran out of spare
sectors).

ILLEGAL REQUEST

The first illegal defect descriptor
encountered in the Defect Descriptor List.

SEEK(6)(10)

ILLEGAL REQUEST

The first invalid sector address detected by
the command.

VERIFY

RECOVERED/MEDIUM ERROR

WRITE(6)(10) error recovery qualifiers
apply. Contains the Logical Block Address
that may have failed the write or verify
(compare) operation. For a RECOVERED
ERROR, the last Logical Block Address in
the error is returned; for a MEDIUM ERROR
the first Logical Block Address is returned.

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