Data recovery method and apparatus

Details Data recovery method and apparatus Data recovery method and apparatus

2005-11-22

2005-11-22

Robinson, Greta (Department: 2167)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000

Reexamination Certificate

active

06968347

ABSTRACT:
A method and apparatus for data recovery in a system involving a first data store acting as a standard volume and a physical moving mirror data store that operates in a first mode to be synchronized and in a second, isolated mode. A third physical mirror data store synchronizes with the second data store in its second operating mode. In response to a command to establish a third or reverse split operating mode, the data to be transferred in response to that command is identified. Copying of the identified data then commences from the third data store to the second data store to recover any data that may have been corrupted in the second data store.

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