TAPE UNIT SCSI COMMANDS

M2488 PRODUCT GUIDE

4-3.16.2 READ BUFFER Sense Keys

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

SENSE KEY

CONDITION

 

DESCRIPTION

 

 

 

1h

RECOVERED ERROR

1. Recovery was performed when synchronizing buffered write

 

 

 

data to tape.

 

 

2.

Recovery was performed when transferring data to the initiator.

3h

MEDIUM ERROR

1. Synchronization of buffered write data prior to the read opera-

 

 

 

tion failed due to defective tape.

 

 

2.

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

 

 

 

ted medium.

4h

HARDWARE ERROR

1. Synchronization of buffered write data failed due to a hardware

 

 

 

failure.

 

 

2.

Transfer of Read Buffer data to initiator failed due to hardware

 

 

 

failure.

 

 

3.

Read Buffer set to Mode 2 has the Allocation Length set > or <

 

 

 

the Allocation Length of the prior WRITE BUFFER command.

5h

ILLEGAL REQUEST

1. Reserved bit was found set in the CDB of the READ BUFFER

 

 

 

command.

 

 

2.

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

 

 

3.

An invalid value was encountered in a CDB field.

6h

UNIT ATTENTION

Indicates the READ BUFFER 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

READ BUFFER command was aborted.

 

 

 

 

4-74

CG00000-011503 REV. A

April 1997

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Fujitsu M2488 manual Read Buffer Sense Keys, Sense KEY Condition Description