Access control method and apparatus for a raid storage device
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United States of America Patent
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Issued Date -
Apr 1, 2004
app pub date -
Dec 4, 2002
filing date -
Sep 27, 2002
priority date (Note) -
Abandoned
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Abstract
An access control method and apparatus for a RAID storage device that includes a data hard disk and a backup hard disk are disclosed herein. In response to a write command, data associated with the write command is written onto the data hard disk and the backup hard disk concurrently. Moreover, in response to a read command, data corresponding to the read command is read from the data hard disk, and the data read from the data hard disk is written concurrently onto the backup hard disk.
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