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INFORMATION PROCESSING APPARATUS, CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM

  • US 20130227224A1
  • Filed: 08/29/2012
  • Published: 08/29/2013
  • Est. Priority Date: 02/29/2012
  • Status: Active Grant
First Claim
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1. An information processing apparatus comprising:

  • a plurality of nodes that each comprise a storage device; and

    an interconnect that connects between the plurality of nodes,wherein at least one node of the plurality of nodes comprises;

    a detecting unit that detects a correctable error in data stored in a shared memory area included in a storage device of the one node or other node, the shared memory area being an area to which the one node and the other node access, and the correctable error being (i) an error which occurs more than a predetermined number of times within a predetermined time period or (ii) an error which occurs at a single location in the shared memory area;

    a prevention control unit that, when the detecting unit detects the correctable error, performs control to prevent the one node and the other node from accessing the shared memory area;

    a recovering unit that recovers the data stored in the shared memory area in a memory area different from the shared memory area;

    a notifying unit that notifies information about the different memory area to the other node; and

    a resumption control unit that performs control to resume the access to the recovered data from the one node and the other node.

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