User's Guide

Chapter 2 Emulated Medium Changer SCSI Commands
Request Volume Element Address (B5h)
94 Quantum DX-Series Software Interface Guide
• 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 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.
• Alternate Volume Tag Information
If the Volume Tag information was requested in the command block
and Drive Serialization is enabled, the Alternate Volume Tag
Information field is included in the element descriptor and includes
the drive serial number in an ASCII text string. The serial number is
preceded by 4 null characters. For format,
table 58.
Note: For more information on enabling Drive Serialization, see the
Mode Select command, SER bit and the Mode Sense
command, SER bit.