Tandberg Data VXA-320 (VXA-3) User Manual

Page 59

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O

CTOBER

2006

VXA-320 T

APE

D

RIVE

45

SCSI C

OMMAND

P

ROTOCOL

RECEIVE

DIAGNOSTIC

RESULTS

1Ch

Reports the results of the tests requested by a previous SEND

DIAGNOSTIC command.

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

DIAGNOSTICS

1Dh

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

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.

Table 6-6 SCSI command set (continued)

Command

Operation

Code

Description

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