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WORM Function
The AITi1040, AITi1040V, AITi520, AITi520V, AITi260, AITi260V,
AITi130, and AITi130V drives support the WORM function. This section
explains the WORM function.
What is "WORM"?
"WORM" is an acronym for "Write Once Read Many", a function that
allows data to be written to the same place on a tape only once, but permits
that data to be read from the tape for any number of times. The AITi1040,
AITi1040V, AITi520, AITi520V, AITi260, AITi260V, AITi130, and
AITi130V drives support WORM cartridges. When a WORM cartridge is
used with an application that supports the WORM function, data that has
been written to a tape can not be accidentally deleted or overwritten.
A WORM drive operates in the same manner as a non-WORM drive when
used with a non-WORM cartridge (henceforth referred to as "regular
cartridge").
The operation of a WORM drive and a non-WORM drive differs according
to the type of cartridge that is being used.
Tape Drive
Non-WORM drive
WORM drive
WORM Cartridges
WORM cartridges can be distinguished from regular cartridges by their
WORM logo and red shutters.
AIT-5 WORM cartridge: SDX5-400W
AIT-4 WORM cartridge: SDX4-200W
AIT-3 WORM cartridge: SDX3-100W
AIT-2 WORM cartridge: SDX2-50W
Regular Cartridge
(without WORM logo)
Read/Write Enabled
Read/Write Enabled
Cartridge
WORM Cartridge
(with WORM logo)
Waiting for Eject
Read/Append-Write Enabled
Red
WORM logo
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