SCSI COMMAND PROTOCOL

Table 6-6SCSI command set (continued)

 

 

 

Command

Operation

Description

 

Code

 

RECEIVE

1Ch

Reports the results of the tests requested by a previous SEND

DIAGNOSTIC

 

DIAGNOSTIC command.

RESULTS

 

 

 

 

 

RELEASE UNIT

17h

Releases the tape drive from exclusive use by the initiator that had

 

 

previously reserved it with a RESERVE UNIT command.

 

 

 

REQUEST SENSE

03h

Requests that the tape drive transfer sense data to the initiator.

 

 

 

RESERVE UNIT

16h

Reserves the tape drive for exclusive use by the initiator that issued

 

 

the command.

 

 

 

REWIND

01h

Causes the tape drive to rewind the tape to the logical beginning of

 

 

partition.

 

 

 

SEND

1Dh

Causes the tape drive to perform certain self-diagnostic tests.

DIAGNOSTICS

 

 

 

 

 

SPACE

11h

Enables the tape drive to perform forward or backward searches

 

 

using logical blocks, filemarks, or setmarks. Also allows spacing to

 

 

end of data (EOD).

 

 

 

TEST UNIT READY

00h

Allows you to determine if the tape drive is ready to accept an

 

 

appropriate medium access command.

 

 

 

VERIFY

13h

Enables the tape drive to verify one or more logical blocks of data on

 

 

the tape.

 

 

 

WRITE

0Ah

Transfers one or more bytes or blocks of data from the initiator to the

 

 

tape drive.

 

 

 

WRITE BUFFER

3Bh

Transfers new microcode from the initiator into the tape drive’s

 

 

EEPROM.

 

 

 

WRITE FILEMARKS

10h

Causes the tape drive to write any data remaining in its buffer, then

 

 

to write one or more filemarks or setmarks to tape.

 

 

 

OCTOBER 2006

VXA-320 TAPE DRIVE

 

 

 

 

 

 

 

 

45

Page 59
Image 59
Tandberg Data VXA-320 (VXA-3) manual Receive

VXA-320 (VXA-3) specifications

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