Oracle StorageTek T9840 User Manual page 102

block
A collection of contiguous records recorded as a unit. Interblock gaps separate blocks,
and each block can contain one or more records.
buffer
A routine or storage that compensates for a difference in the rate of data flow, or the
time of occurrence of events when transferring data from one device to another.
burst
In data communication, a sequence of signals counted as one unit in accordance with
a specific criterion or measure. (A)
C
capacity
Total amount of User Data stored on one data cartridge in 8-bit bytes. Synonymous
with "User Capacity" or "Native Capacity". This is the capacity that the user sees
after the ECC/Format/ERP and other overhead has been assessed (no compression).
capacity, raw
Total amount of data stored on one data cartridge in 8-bit bytes before any ECC/
Format/ERP and other overhead has been assessed (no compression).
capacity, user
Total amount of data stored on one data cartridge in 8-bit bytes that is sent by the
host computer. This is the capacity that the user sees after the ECC/Format/ERP and
other overhead has been assessed (no compression).
cartridge
A storage device that consists of magnetic tape on a supply reel in a protective
housing.
cartridge scratch loader
A device that attaches to a tape drive to automatically load and unload tape
cartridges into and out of the drive.
cleaning cartridge
A data cartridge that contains special material to clean the tape path in a transport or
drive.
compress
To save space by eliminating gaps, empty fields, redundancy, or unnecessary data to
shorten the length of records or files. (IBM)
condition
One of a set of specified values that a data item can assume. (IBM)
conditioning time
The amount of time to prepare a tape cartridge for use in a T9840 Tape Drive.
configuration
The manner in which the hardware and software of an information processing system
is organized and interconnected. (T)
connector
An electrical or optical part that joins two or more other parts.
102 T9840 URM
December 2012