Method for storing and retrieving information on a magnetic stor

Details Method for storing and retrieving information on a magnetic stor Method for storing and retrieving information on a magnetic stor

1995-08-07

1998-02-10

Black, Thomas G.

395611, G06F 1730

Patent

active

057179514

ABSTRACT:
A method for storing and retrieving information on a magnetic storage medium, such as magnetic tape, organizes files into data blocks of variable encoded block sizes. The encoded block sizes indicate file boundaries of files, intrablock data organization and/or interblock data organization to facilitate data retrieval. For example, if encoded block sizes indicate file boundaries, then filemarks are not needed to separate files from each other. During an encoding process, data blocks are assigned corresponding data formats and block sizes are preferably quantized to equal distinctive integer multiples of an encoding constant. Decoding is accomplished by performing a modulo function on the quantized block size to identify corresponding data formats assigned to the data blocks. One practical application of the method of storage and retrieval is recovery of a corrupt or a missing file directory, which references files stored on the magnetic storage medium.

REFERENCES:
patent: 4969055 (1990-11-01), Oberjatzas et al.
patent: 4972417 (1990-11-01), Sako et al.
patent: 5113512 (1992-05-01), Miki et al.
patent: 5274772 (1993-12-01), Dunn et al.
patent: 5327535 (1994-07-01), Ogata et al.
patent: 5335119 (1994-08-01), Shih et al.
patent: 5384666 (1995-01-01), Kanota et al.
patent: 5384673 (1995-01-01), Yoshioka et al.
patent: 5414570 (1995-05-01), Fry et al.
patent: 5485606 (1996-01-01), Midgdey et al.

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