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Real-time data protection system and method

DC
  • US 5,799,141 A
  • Filed: 06/09/1995
  • Issued: 08/25/1998
  • Est. Priority Date: 06/09/1995
  • Status: Expired due to Term
First Claim
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1. A data protection system comprising:

  • a. a local computer system containing one or more data files residing in a file system, which are accessed by at least one application program having no data protection code;

    b. a remote computer system for storing back-up copies of at least one of the one or more data files, each of the back-up copies corresponding to one of the one or more data files;

    c. a network connecting the local computer system and the remote computer system;

    d. a mirroring driver that captures change information representing an individual change to a file from a selected subset of the one or more data files by the at least one application program; and

    e. a file system driver on the local computer system that applies the individual chance to one of the one or more data files;

    f. wherein the mirroring driver is attached to the file system driver; and

    g. wherein the change information is transmitted from the local computer system across the network to the remote computer system substantially concurrently with the time the individual change is made on the local computer system.

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