Quantum lto 4 Betriebsanweisung

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Chapter 4  Theory
Data Compression
LTO-4 Half-Height Tape Drive User’s Guide
30
Software data compression should never be used because the built-in 
intelligent data compression of the LTO-4 Half-Height Tape Drive is 
much more efficient than software data compression.
The LTO-4 Half-Height Tape Drive uses a derivative of ALDC-2 lossless 
data compression that includes additional control codes for intelligent 
data compression.