Quantum DLT 2000 Handbook page 190

Advanced Servo Positioning (ASP). This closed-loop positioning
system allows increased data density by continually adjusting the
position of the tape drive's read/write head to achieve the strongest
signal strength.
Allocation. The process of assigning particular areas of the media
to particular data or instructions.
Archiving. The removal of data from the computer system on to
secondary storage media that is safely stored away. The DLTtape
system is an excellent choice for archiving due to its 30-year shelf life.
Automation. Refers to tape stackers, autoloaders, libraries used in
data backup, archiving, hierarchical storage management, and near
on-line storage. A system that generally has storage for multiple
tape cartridges, a robotic cartridge-handling system, an electronic
control system, software, and one or more tape drives.
Autoloader. A system that uses a robotic mechanism to
automatically load and unload tape cartridges into a single tape
drive. Used to provide unattended data backup and file restoration.
Average Seek Time. The average time it takes for the read/write
head to move to a specific location. To compute the average seek
time, divide the time it takes to complete a large number of
random seeks by the number of seeks performed.
B
BOT. Acronym for beginning of tape. Indicated on a DLTtape
cartridge by a small hole in the leader portion of the tape.
BPI. Acronym for bits per inch. A measure of how densely
information is packed on a storage medium.
G.2 GLOSSARY