Apparatus and method for mirroring and restoring data

Electrical computers and digital processing systems: multicomput – Remote data accessing

Reexamination Certificate

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Details

C709S223000, C707S793000, C711S161000

Reexamination Certificate

active

07149787

ABSTRACT:
An apparatus and method for mirroring data is provided wherein integrity of data on a mirror device is maintained during and after a restore process of data to a standard volume. Because integrity of the mirror is maintained, data from the mirror may be used to perform a later restore to the standard volume if data becomes corrupted, or data is unavailable for any other reason. As a result, the mirror may be used for backup or other operations.

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