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Oplogging for online recovery in direct connection client server systems

  • US 20060085426A1
  • Filed: 10/14/2004
  • Published: 04/20/2006
  • Est. Priority Date: 10/14/2004
  • Status: Active Grant
First Claim
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1. A computer-based apparatus, comprising:

  • a system supporting simultaneous access by a first client and a second client, said first client and said second client directly attached to the system;

    a oplog generator to generate an oplog storing information about a change in a control structure of the system by said first client; and

    a oplog cleaner process to repair said control structure of the system if said first client fails before completing said change.

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