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USB
Universal serial bus.
utilities
Utility programs.
utility programs
A computer program in general support of the processes of a computer. A diagnostic program is an
example.
V
vary
To change the status of a device, as from online to offline, or offline to online. This action makes the
device available to systems or other using devices.
VCR
Volume control region.
VOLSER
Volume serial number.
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 that is contained within the tape drive that requires nonvolatile storage that is used
by functional areas of the drive, and information that is required for Manufacturing, RAS, and
Engineering.
VSARS
Volume statistical analysis and reporting system.
This information about media (volumes) is written into cartridge memory (CM) inside the tape
cartridge. Contrast with HSARS for hardware.
VTS
Virtual tape server.
W
WAN
Wide area network.
In a comparison of geographic breadth, a WAN is larger than a LAN or a MAN.
WEEE
European Union's Waste Electrical and Electronic Equipment standards directive.
word
A character string that is convenient for some purpose to consider as an entity.
worldwide cartridge identifier (WWCID)
A permanent identifier that is associated with a specific tape cartridge, typically stored on the tape
itself and the nonvolatile cartridge memory.
worldwide identifier (WWID)
An identifier that uniquely identifies a hardware component, such as the port and node of a drive.
worldwide node name
Consists of a set of eight pairs of hexadecimal numbers that are assigned to a unique card or device,
as provided by the IEEE.
This name is the storage area network (SAN) equivalent to the media access control (MAC) address of
an Ethernet network.
WORM
Write-once read-many.
318 IBM 3592 TS1140, TS1150, TS1155, and TS1160 Tape Drives: Maintenance Information
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