Method and apparatus for performing force unit access writes on a disk
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United States of America Patent
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Mar 24, 2015
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N/A
app pub date -
Jun 30, 2011
filing date -
Jun 30, 2011
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Abstract
A disk drive comprising a rotatable disk, a head actuated over the disk, and a controller is disclosed. The controller is configured to write a first force unit access write data to the cache as part of the cache data, write the first force unit access write data and a first metadata corresponding to the first force unit access write data to the first location by using the head, transmit a first write complete status to a host, and maintain the first force unit access write data in the cache as part of the cache data. The controller is also configured to store write data as part of the cache data. Furthermore, the controller is configured to write the cache data to a third location, and a metadata corresponding to the cache data to the disk.
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