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Method for detecting write failures using the disk write cache Disclosure Number: IPCOM000061956D
Original Publication Date: 2005-Feb-17
Included in the Prior Art Database: 2005-Feb-17

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There are several reasons a write failure would not be detected by the disk drive. These can include medium defects, off-track writes, or head bounce. One solution is to use the cache on the disk drive to do internal readback checks during idle time, regardless of whether drive caching is turned on or off.