User's Guide

Chapter 2 Emulated Medium Changer SCSI Commands
Request Volume Element Address (B5h)
Quantum DX-Series Software Interface Guide 89
•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)
• Operation Medium Removal Requested (ASC=5A ASCQ=01).
• SValid
•The SValid bit is set to 1 if information in the Source Storage
Element Address field is valid
• If information is unknown (due to a door open or power-on
condition) the SValid bit is set to 0
•Invert
The Invert field is not supported and is set to 0.
• Source Storage Element Address
The Source Storage Element Address represents the address of the
last storage element that held the cartridge. The SValid field indicates
whether or not this information is valid.
• Primary Volume Tag Information
If the Volume Tag information was requested in the command block,
the Primary Volume Tag Information field is included in the element
descriptor. For format, see
table 57.
The layout of an element descriptor for an element of the Import/Export
element type is illustrated in
table 60.