Method and apparatus for identifying and repairing mismatched data
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United States of America Patent
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Feb 27, 2001
Grant Date -
N/A
app pub date -
Dec 31, 1997
filing date -
Dec 31, 1997
priority date (Note) -
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Abstract
Method and apparatus are disclosed for resolving data coherence problems (or mismatched data caused by a failure to update data) in a storage system that includes redundant information. The data may be stored as CKD records or fixed size blocks. The method and apparatus may identify data coherence problems by comparing fields for which the correct value is known in advance, by comparing fields between more than one copy of corresponding data units and through other disclosed techniques.
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