Dell PowerVault LTO User Manual page 67

cartridge.
See tape cartridge.
cartridge door.
On a tape cartridge, the hinged barrier that can be opened to access, or closed to protect, the
magnetic tape within the cartridge.
cartridge memory.
See LTO cartridge memory.
Celsius (C).
Having a thermostatic scale on which the interval between the freezing point and the boiling point of
water is divided into 100 degrees, with 0 degrees representing the freezing point and 100 degrees
representing the boiling point.
cleaning cartridge.
A tape cartridge that is used to clean the heads of a tape drive. Contrast with data cartridge.
clockwise.
In the direction that the hands of a clock rotate, as viewed from the front.
compression.
The process of eliminating gaps, empty fields, redundancies, and unnecessary data to shorten the
length of records or blocks.
configure.
To describe to a server the devices, optional features, and programs installed on the system.
counterclockwise.
In a direction opposite to that in which the hands of a clock rotate, as viewed from the front.
current.
The quantity of charge per unit of time. Current is measured in amperes.
cycle power.
To apply and remove electrical power to a device within a short time span.
D
data.
Any representations such as characters or analog quantities to which meaning is, or might be,
assigned.
data cartridge.
A tape cartridge dedicated to storing data. Contrast with cleaning cartridge.
data compression.
See compression.
data transfer rate.
The average number of bits, characters, or blocks per unit of time that pass between corresponding
equipment in a data transmission system. The rate is expressed in bits, characters, or blocks per
second, minute, or hour.
DC.
See direct current.
degauss
To make a magnetic tape nonmagnetic by exposing the tape to electrical coils which carry currents
that neutralize the magnetism of the tape.
device.
Any hardware component or peripheral, such as a tape drive or tape library, that can receive and send
data.
device driver.
A file that contains the firmware that is needed to use an attached device.
Glossary 61