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Cold boot data backup system

  • US 5,713,024 A
  • Filed: 11/08/1995
  • Issued: 01/27/1998
  • Est. Priority Date: 06/10/1994
  • Status: Expired due to Fees
First Claim
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1. A cold boot data backup apparatus for automatically restoring data files stored in a memory of a computer system in response to a failure of said memory, using a backup media that is connected to said computer system which has stored thereon a copy of data files written in said memory, every version of data files changed by said computer system, comprising:

  • means for acquiring data indicative of data file activity on said computer system;

    means, responsive to said acquired data file activity data, for generating data indicative of data files that have been changed by said data file activity;

    means for retrieving only selected data files, identified by said generated data and user-input data file backup identification data, that have been changed by said data file activity from said memory;

    means for storing in their entirety said retrieved data files, exclusive of other data files stored in said memory, on a backup media to produce a time ordered sequence on said backup media of every version of said selected data files;

    means for automatically restoring said memory to include said data files, written in said memory and changed by said computer system, to a state substantially as they were prior to said failure using said backup media, the restoring means performing the functions of;

    (1) automatically copying on a first storage medium the following;

    (a) parameters of the computer system memory;

    (b) a disk cold boot program;

    (c) a resident format command program of the computer system;

    (d) on a backup system identification history; and

    (e) an auto-- exec.bat file; and

    then, after booting up of the computer system using the first storage medium. automatically(2) executing the disk cold boot program wherein execution of the disk cold boot program causes;

    (a) executing of the resident format command program for formatting the memory;

    (b) generating a prompt to insert the backup media into a backup media device; and

    , once the backup media has been inserted.(c) using directory information read from the backup media and the backup system identification history to obtain the data files of the computer system memory at a predetermined point in time;

    (d) using the data files acquired in function (2) (c) to perform a restoration of the memory.

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