Data storage method and apparatus employing a tape cartridge...

Details Data storage method and apparatus employing a tape cartridge... Data storage method and apparatus employing a tape cartridge...

2005-03-17

2008-10-21

Bragdon, Reginald G. (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S163000, C711S164000

Reexamination Certificate

active

07441075

ABSTRACT:
Data storage apparatus comprises a tape drive and a tape cartridge, the tape cartridge having a data storage tape on which write-once-read-many (WORM) data is stored. The data storage apparatus is controlled by providing a format command to the tape drive commanding a formatting operation that conditions the tape for erasure or overwriting of the WORM data. A format command key is provided with the format command to be compared with a key recorded in the cartridge. The format command is enabled in dependence upon the comparison between the format command key and the recorded key.

REFERENCES:
patent: 6339810 (2002-01-01), Basham et al.
patent: 6775087 (2004-08-01), Chan et al.
patent: 54058012 (1979-05-01), None
patent: 02206062 (1990-08-01), None
patent: WO 97/29484 (1997-08-01), None
GB Search Report dated Jun. 3, 2004.

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