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Method for performing a RAID stripe write operation using a drive XOR command set

  • US 5,742,752 A
  • Filed: 12/29/1995
  • Issued: 04/21/1998
  • Est. Priority Date: 12/29/1995
  • Status: Expired due to Term
First Claim
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1. In a RAID controller for controlling a RAID storage subsystem having at least one disk array comprising a plurality of XOR command set enabled disk drives, a method operable within said RAID controller for performing a stripe write of data to said disk array, said method comprising the steps of:

  • initiating write operations to all disk drives which contain data in the stripe to be written; and

    initiating, responsive to completion of said write operations, an XOR command set rebuild command to the disk drive containing parity information in the stripe.

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