Title:
【発明の名称】DASDボリュームの退避・回復方法
Document Type and Number:
Japanese Patent JP2579941
Kind Code:
B2
Abstract:
PURPOSE:To extremely shorten the processing time for saving by adding a code into a control information label of the data set to show a saving/recovering process level in response to each data set of a DASD (direct access storage device) volume. CONSTITUTION:A DASD volume 1 to be saved is saved to a saving magnetic tape 2 by a saving program 3. In such a case, the saving action is decided by a process code 5 showing a saving/recovering process level in the volume 1. While a recovering process applied to a DASD volume 7 is executed by the designation of contents of recovery processing in accordance with a processing code 5 which indicates the processing level of saving and recovery saved to a saving magnetic tape 2 by a recovery program 4. Thus the saving processing is carried out exclusive of the those sets not to be saved and therefore the time need for saving process is extremely shortened.
Inventors:
TACHIBANA TOYOFUMI
Application Number:
JP12178787A
Publication Date:
February 12, 1997
Filing Date:
May 19, 1987
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G06F3/06; G06F12/00; (IPC1-7): G06F3/06; G06F12/00
Domestic Patent References:
| JP62137646A |
Attorney, Agent or Firm:
Akita Aki