System Description
1-9
Compression
All drives used in the Library use the Adaptive Lossless Data Compression (ALDC data
compression algorithm developed by IBM).
Capacity
The Library with its 20-cartridge magazine offers the formatted capacities listed in Table 1-5.
NOTE:
Capacities are based on 19 storage slots.
Table 1-2
Tape Capacities
Native Capacity Per Cartridge
Per Cartridge Compressed
(2:1)
Full Magazine Compressed
(2:1)
35 GB
70 GB
1,330 GB (665 native)
50 GB
100 GB
1,900 GB (950 native)
Media Life
The media manufacturer rates the media used in the Library at over 30,000 end-to-end passes
and specifies a shelf life of at least 30 years.