Method of identifying DB2 objects to be recovered from an unavai

Details Method of identifying DB2 objects to be recovered from an unavai Method of identifying DB2 objects to be recovered from an unavai

1995-02-28

1997-04-29

Black, Thomas G.

Coded data generation or conversion

Digital code to digital code converters

Tree structure

395611, 395612, 395180, 341 51, G06F 1730

Patent

active

056258178

ABSTRACT:
A computer performing a method in accordance with the invention receives from an end-user identifier(s) for one or more damaged (or otherwise unavailable) DASD volumes, and, optionally, an identifier for one or more DB2 subsystems. By searching and correlating DB2 and MVS data resources not residing on the damaged volume(s), the computer determines which object(s) on the specified damaged volume(s) are DB2 objects, and which DB2 subsystem(s) own each of these DB2 objects. A list of recoverable DB2 objects is created, and, optionally, provided to a recovery utility program for the purpose of facilitating recovery. The method permits identification of recoverable DB2 objects without needing access to the damaged or unavailable volumes, either before or after the volume failure, thereby advantageously enabling recovery methods after a volume failure has occurred.

REFERENCES:
patent: 5384568 (1995-01-01), Grinberg et al.
patent: 5396623 (1995-03-01), McCall et al.
patent: 5418940 (1995-05-01), Mohan
patent: 5430871 (1995-07-01), Jamoussi et al.
patent: 5446871 (1995-08-01), Shomler et al.
patent: 5455946 (1995-10-01), Mohan et al.

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