Method for recovering data in a tape drive system

Details Method for recovering data in a tape drive system Method for recovering data in a tape drive system

2006-05-24

2010-10-05

Baderman, Scott T (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S002000

Reexamination Certificate

active

07810008

ABSTRACT:
A method is disclosed. The method includes performing a first read operation at a tape drive, determining if a minimum number of data bytes have been recovered in the first read operation to perform error correcting codes (ECC), performing a second read operation if the minimum number of data bytes to perform ECC have not been recovered, determining if a minimum number of data bytes have been recovered in the second read operation to perform ECC, combining the recovered data bytes from the first read operation and the second read operation to form combined recovered data bytes, determining if a minimum number of data bytes are included in the combined recovered data bytes to perform ECC and performing ECC if the minimum number of data bytes are included in the combined recovered data bytes.

REFERENCES:
patent: 5331476 (1994-07-01), Fry et al.
patent: 6286698 (2001-09-01), Hague et al.
patent: 6643084 (2003-11-01), Andrew et al.

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