System and method for performing parity checks in disk storage system
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United States of America Patent
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Sep 19, 2006
Grant Date -
N/A
app pub date -
May 5, 2003
filing date -
May 7, 2002
priority date (Note) -
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Abstract
A system for maintaining cyclic redundancy check ('CRC') protection of XOR'ed data sectors includes a register that is initialized with a non-zero seed value used for generating sector CRC values. The system includes logic for combining CRC values of at least two sectors and storing a result of the combination modified with a non-zero seeded CRC value.
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