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Data restoration method and system

  • US 9,778,998 B2
  • Filed: 03/17/2015
  • Issued: 10/03/2017
  • Est. Priority Date: 03/17/2014
  • Status: Active Grant
First Claim
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1. A data restoration method, the method comprising:

  • after a transaction is submitted, saving a generated transaction log to a buffer of a current node;

    registering, at the current node, an address of a buffer of one or more backup nodes, the one or more backup nodes being different than the current node;

    backing up the transaction log to the buffer of the registered address of the one or more backup nodes;

    writing the transaction log backed up in the buffer of the one or more backup nodes into a transaction log file in a disk, wherein the transaction log file in the disk is used for restoring data of the current node; and

    restoring, based on the transaction log file in the disk, lost data of the current node when a data loss event occurs in the current node.

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