Backup control apparatus and method of data processing system

Details Backup control apparatus and method of data processing system Backup control apparatus and method of data processing system

1994-05-25

1996-05-28

Canney, Vincent P.

Boots, shoes, and leggings

3642682, 364268, G06F 1100

Patent

active

055220371

ABSTRACT:
The number of present updating data is detected from an updating bit map of a backup target medium. When it is equal to or larger than a reference value, a whole backup is executed. When it is smaller than the reference value, a differential backup is executed. After the backup was obtained, a copy coupling is executed and a merge process to reduce the number of media is performed. By eliminating the unnecessary media among the media which are used and by executing the successive reading or parallel reading from backup destination media, a decoding process to a recovery medium can be executed in a shortest time.

REFERENCES:
DOS.RTM. 5 A to Z by Gary Masters, .COPYRGT.1992 by SYBEX, Inc. 61-65.

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