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Error recovery

  • US 7,032,123 B2
  • Filed: 10/19/2001
  • Issued: 04/18/2006
  • Est. Priority Date: 10/19/2001
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • detecting an error in data stored in a directory cache in a system;

    determining if the detected error is correctable;

    while the system is in operation;

    making at least a portion of the directory cache unavailable to one or more resources in the system in response to determining that the error is uncorrectable, wherein making at least the portion of the directory cache unavailable comprises generating a cache miss in response to a request to access the directory cache;

    testing the at least a portion of the directory cache while the at least a portion of the directory cache is offline based on determining that the error is uncorrectable;

    servicing the at least a portion of the directory cache in response to testing the directory cache; and

    dynamically allowing access to the at least a portion of the directory cache in response to servicing the at least a portion of the directory cache.

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