Quantum SuperLoader 3 User Manual page 204

Quantum superloader 3: user guide
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SuperLoader 3 Autoloader User's Guide
The reel of tape contained within the DLTtape cartridge.
supply reel
DLTtape IV, for example, contains 1,800 feet (548.64 m) of tape.
The side of the tape that is coated with the magnetic material for
surface
recording data.
sustained transfer rate
mode. for example, the DLT 7000 has a sustained transfer rate of
5 MB in native mode, and up to 10 MB at 2:1 compression.
system manufacturers
systems.
Symmetric Phase Recording (SPR)
with the DLT 7000 that writes data at alternating angles in a
herringbone pattern thereby eliminating the need for guard
bands between data tracks, and providing higher data density.
Tracks per Inch. A DLT 7000 tape drive, for example, writes data
TPI
a density of 416 tpi, or 208 tracks across the width of the half-inch
DLTtape media.
The reel inside every DLT tape drive onto which DLTtape
take-up reel
media is wound. The in-the-drive take-up reel enables DLT tape
systems to operate using a single-reel cartridge and thereby pack
more tape and data into every cartridge.
The path through which tape moves from the cartridge, past
tape path
the read/write head, and onto the take-up reel. The patented
DLT drive head guide assembly provides a gentle and solid path
that ensures tracking accuracy and long tape life.
A UNIX operating system command that stands for "create tape
tar
archives" and/or extract files.
Transmission Control Protocol/Internet Protocol. A
TCP/IP
communications protocol which ensures that the total amount of
bytes sent is received correctly, and also provides the routing
information.
A type of coating allowing very thin layers of magnetic material
thin film
used on tape drive read/write heads. Media with thin film
surfaces can store greater amounts of data.
A linear or angled pattern of data written on a tape surface. DLT
track
tape drives write information on multiple tracks simultaneously.
track-to-track seek time
move to an adjacent track.
The data transfer rate of a tape drive in native
Makers of computer systems and tape library
A recording technique introduced
The time required for the read/write heads to
Glossary
186

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