Tandberg Data SDLT 600 - Manual (Page 114)

B SDLT 600 Product Manual
G-2 March 2004 81-81184-02 REV A01
B
Backup A copy of a file, directory, or volume on a separate storage device
from the original, for the purpose of retrieval in case the original
is accidentally erased, damaged, or destroyed.
Bad Data
Block A block that cannot reliably hold data because of a media flaw or
damaged format markings.
Base Plate An aluminum die casting that acts as the support platform for the
other modules and for the tape drive enclosure. The base plate
includes the precision mounting holes used to install SDLT tape
drives into a server or tape library.
Bezel (Also known as the faceplate.) A plastic panel that extends the
face of a tape drive so that it covers a computer’s drive bay
opening. The internal model of SDLT 600 has two bezels: a
library bezel and an internal bezel.
BIOS Basic Input/Output System. A set of routines that work closely
with the hardware to support the transfer of information between
various elements of the system, such as memory, disks, and
peripheral devices.
Block A sector or group of sectors. SDLT 600 supports block sizes up to
16 MB.
BOM or BOT Beginning of Media or Beginning of Tape. The physical
beginning of the media.
BRC Backward-Read Compatibility. The ability of a current tape drive
product to read data cartridges written on earlier model tape
drives.
Buckling
Mechanism The buckling mechanism engages the tape leaders upon data
cartridge load and disengages them on data cartridge unload.
Buffer An area of RAM reserved for temporary storage of data that is
waiting to be sent to a device. The data is usually on its way to or
from the tape drive or some other peripheral device.
Bus The part of a chip, circuit board, or interface designed to send
and receive data.