Disk drive returning dummy data to a host when reading an unwritten data sector

A disk drive is disclosed comprising a disk and a head actuated over the disk. The disk comprises a plurality of tracks, wherein each track comprises a plurality of data sectors. A read command is received from a host to read data from a target data sector. When it is determined that the target data...

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Bibliographic Details
Main Authors Boyle, William B, Tsai, Chun Sei
Format Patent
LanguageEnglish
Published 14.12.2010
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Summary:A disk drive is disclosed comprising a disk and a head actuated over the disk. The disk comprises a plurality of tracks, wherein each track comprises a plurality of data sectors. A read command is received from a host to read data from a target data sector. When it is determined that the target data sector has not been written by the host, dummy data is returned to the host.