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Backup control apparatus and method of data processing system

  • US 5,522,037 A
  • Filed: 05/25/1994
  • Issued: 05/28/1996
  • Est. Priority Date: 09/20/1993
  • Status: Expired due to Term
First Claim
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1. A backup control apparatus of a data processing system for performing an automatic backup process, comprising:

  • a backup target medium to store processing data;

    a backup destination medium to store data copied from said backup target medium;

    environment defining means for defining a backup operation environment;

    control information managing means for registering and managing the backup operation environment defined by said environment defining means, the managed backup operation environment defining backup starting conditions;

    backup instructing means for instructing the start of the automatic backup process; and

    backup processing means for selecting and executing one ofa whole backup process for copying all the data stored in the backup target medium to said backup destination medium as backup data, anda differential backup process for extracting data which was updated in the backup target medium and copying said updated data to said backup destination medium as backup data,the backup processing means selecting and executing one of the whole backup process and the differential backup process each time the backup starting conditions are satisfied when said backup instructing means instructs the start of an automatic backup process.

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