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Error-handling for write-distribute command in raid mirroring

  • US 8,583,853 B1
  • Filed: 07/17/2012
  • Issued: 11/12/2013
  • Est. Priority Date: 05/22/2009
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a processor;

    a group of data storage mediums, andan I/O controller configured to;

    receive, from the processor, a write-distribute command that includes a single copy of data and instructions to write instances of the data to multiple storage locations within the group of data storage mediums;

    write instances of the data to the multiple storage locations according to the instructions; and

    for each individual location of the multiple storage locations;

    transmit a write complete message to the processor after writing an instance of the data to the individual location is complete,wherein the write complete message for a particular individual location is a write error message if writing the instance of the data to the particular location has an error.

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