volume. A certain portion of data, together with its
data carrier, that can be handled conveniently as a unit.
VPD. Vital product data. The information contained
within the tape drive that requires nonvolatile storage
used by functional areas of the drive, and information
required for manufacturing, RAS, and engineering.
W
word. A character string that is convenient for some
purpose to consider as an entity.
World Wide Node Name (WWNN). In a fibre channel
connected library, the Drive ID as listed in the Web
User Interface.
Write. Write command.
WT. world trade.
X
XR. External register.
XRA. External register address register.
I-8 Dell PowerVault TL2000 Tape Library and TL4000 Tape Library User's Guide