User's Guide

Chapter 2 Emulated Medium Changer SCSI Commands
Read Element Status (B8h)
Quantum DX-Series Software Interface Guide 61
• Element Address
This field indicates the address of the element being reported by that
element descriptor.
• 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
•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 one.
• SValid, Invert, and Source Storage Element Address
This field, and the invert bit information value of 0 indicates these
fields are not valid (
table 44).
• Primary Volume Tag Information
If the Volume Tag information was requested in the command block
(VolTag=1), the Primary Volume Tag Information field is included
in the element descriptor. This field contains the information read
from the tape cartridge bar code label; its format is shown in
table 43.
12 - 47
Primary Volume Tag Information
(Field omitted if PVolTag = 0)
48 - 51
Reserved (00000000h)
52
Vendor Unique (0000h)
53
Bit/Byte76543210