Sense Key Codes

Sense Key

Name

Description

00h

NO SENSE

Indicates that there is no specific sense key information to be reported for the designated device. This would be the case for a successful command.

01h

RECOVERED ERROR

Indicates that the last command completed successfully with some recovery action performed

Read operations - An ECC correction or retry was done.
Write operations - Not enough blocks were sent to the device to meet the minimum track length (300 blocks).

02h

NOT READY

Indicates that the device addressed cannot be accessed. Operator intervention may be required to correct this condition.

03h

MEDIUM ERROR

Indicates that the command terminated with a non-recovered error condition that was probably caused by a flaw in the medium or an error in the recorded data.

04h

HARDWARE ERROR

Indicates that the device has detected a hardware failure (e.g. controller or device failure, parity error, etc) while performing the command or during a self-test.

05h

ILLEGAL REQUEST

Indicates that there was an illegal parameter in the Command Descriptor Block or in the additional parameters supplied as data for some commands (e.g. MODE SELECT)

06h

UNIT ATTENTION

Indicates that either the disc or the drive operating parameters may have been changed (by a MODE SELECT command from another initiator or reset) since the last command was issued by this initiator.

08h

BLANK CHECK

Indicates that the drive encountered blank medium or format-defined end of data indication while reading or the drive encountered a non-blank medium while writing.

0Bh

ABORTED COMMAND

Indicates that the device aborted the command. The host may be able to recover by trying the command again.

0Dh

VOLUME OVERFLOW

Indicates that the device has reached the end-of-volume during a write or read operation.