User's Guide

Chapter 2 Emulated Medium Changer SCSI Commands

Request Volume Element Address (B5h)

Quantum DX-Series Software Interface Guide 93

• Element Address

This field indicates the address of the element being reported by that

element descriptor.

• Access

An access bit value of 1 indicates access to the element by a medium

transport element is allowed.

• Except

• When the element is in a normal state, it is set to 0

• When the element is in an abnormal state, it is set to 1

• Information on the abnormal state is available in the Additional

Sense Code and Additional Sense Code Qualifier fields in that

element descriptor. For the meaning of the codes contained in the

two Sense Code fields, see

Request Sense (03h) on page 75.

•Full

•The Full field is set to 1 whenever the element contains a tape

cartridge

• It is set to 0 otherwise

• Additional Sense Code and Additional Sense Code Qualifier

These fields are only valid if the Exception field is set to 1. Currently

the only valid values for these fields indicate

• Element Contents Unknown condition (ASC=80 ASCQ=22)

• Cleaning Cartridge Installed (ASC=30 ASCQ=03)

• Any tape drive error (ASC=8D or ASC=F3)

• SValid

48 - 83

Alternate Volume Tag Information

(Field omitted if AVolTag = 0)

84 - 87

Reserved (00000000h)

Vendor Unique (0000h)

Bit/Byte76543210