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SET DEVICE IDENTIFIER Command (A4h) SDLT 600 SCSI Interface Guide

4-238 January 2005 81-81200-02 REV A01

The SET DEVICE IDENTIFIER parameter list contains the identifier to be set by the drive.

Figure 4-128. SET DEVICE IDENTIFIER Parameter List — Data Format

Table 4-139. SET DEVICE IDENTIFIER Command Descriptor Block — Field Descriptions

Field Name Description

Service Action Must be set to 06h. Any other value causes the drive to return CHECK

CONDITION status with Sense Key set to ILLEGAL REQUEST.

Parameter List

Length

Specifies the length in bytes of the Identifier that is transferred from the

application client to the SDLT tape drive. The maximum value for this field

is 64 bytes. A Parameter List Length of 0 indicates that no data is to be

transferred and that subsequent REPORT DEVICE IDENTIFIER

commands return an Identifier length of 0.

If the parameter list length exceeds 64 bytes, the drive returns CHECK

CONDITION status with Sense Key set to ILLEGAL REQUEST and

Additional Sense Code set to INVALID FIELD IN CDB.

Bit

Byte

7 6 5 4 3 2 1 0

0 – n Identifier

Table 4-140. SET DEVICE IDENTIFIER Parameter List — Field Description

Field

Name

Description

Identifier The Identifier field is a vendor-specific value. This value is returned by all

subsequent REPORT DEVICE IDENTIFIER commands, until replaced by

another valid SET DEVICE IDENTIFIER command.

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