×

Efficient computer file backup system and method

  • US 20040236803A1
  • Filed: 02/19/2004
  • Published: 11/25/2004
  • Est. Priority Date: 08/20/2001
  • Status: Active Grant
First Claim
Patent Images

1. A method for deciding whether a specific file on a target computer should be backed up to a central storage system, said method comprising the steps of:

  • computing a specific hashing key from the content of said specific file;

    verifying if said specific hashing key is already present in a local, wherein, for each computer file on said target computer which has been previously backed up, said local database comprises a record including;

    a file hashing key computed from said computer file; and

    a local file path in said target computer where said computer file should be restored, said file path being associated with said file hashing key;

    if said specific hashing key is not present in said local database, backing up said specific file by performing the steps of;

    A. creating a backup file which is a duplicate of said specific file;

    B. renaming said backup file to said specific hashing key;

    C. storing said renamed backup file in said central storage system; and

    D. storing in said local database a new record including said specific hashing key and a specific path in said target computer where said specific file should be restored; and

    if said specific hashing key is present in said local database not backing up said specific file in said central storage system;

View all claims
  • 8 Assignments
Timeline View
Assignment View
    ×
    ×