M2488 PRODUCT GUIDE

TAPE UNIT SCSI COMMANDS

4-3.29.3 SPACE Sense Keys

One of the following sense keys may be returned if a CHECK CONDITION was indicated:

SENSE KEY

CONDITION

 

DESCRIPTION

 

 

 

0h

NO SENSE

1. A filemark was encountered while spacing over blocks.

 

 

2.

Beginning-of-Tape was encountered while spacing backward.

8h

BLANK CHECK

End-of-Data was encountered while spacing forward.

1h

RECOVERED ERROR

1. Recovery was performed when writing buffered data before the

 

 

 

positioning occurred.

 

 

2.

Retries were needed to complete the positioning.

2h

NOT READY

Logical Unit was not ready (tape was not loaded or wasn’t ready).

3h

MEDIUM ERROR

1. Write of buffered data failed due to defective tape.

 

 

2.

End-of-Tape was encountered while spacing forward.

 

 

3.

An attempt was made to write 36-track data on 18-track format-

 

 

 

ted medium.

 

 

4.

The tape length in the cartridge is too long or too short.

4h

HARDWARE ERROR

1. Write of buffered data failed due to a hardware failure.

 

 

2.

The spacing operation was not completed because of a hard-

 

 

 

ware failure.

5h

ILLEGAL REQUEST

1. Reserved bit was found set in the CDB of the SPACE com-

 

 

 

mand.

 

 

2.

Illegal Code field specified for SPACE command.

 

 

3.

The Flag bit was set but the Link bit was not set.

6h

UNIT ATTENTION

Indicates the SPACE command was not performed due to one of

 

 

the following:

 

 

1.

The tape cartridge may have been changed.

 

 

2.

The target has been reset.

 

 

3.

The Mode parameters have been changed by another initiator.

 

 

4.

The version of the microcode has been changed (microcode

 

 

 

downloaded).

 

 

5.

A cartridge was loaded with a tape length that is too long or too

 

 

 

short.

Bh

ABORTED COMMAND

Space command was aborted.

Dh

VOLUME OVERFLOW

Write of buffered data prior to the SPACE operation failed

 

 

because physical End-of-Tape has been reached.

 

 

 

 

April 1997

CG00000-011503 REV. A

4-137

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Image 219
Fujitsu M2488 manual Space Sense Keys, Sense KEY Condition Description