Method amp; system for resynchronizing data between a primary and mirror data storage system

摘要

Disclosed is system and method for mirroring data from a primary data storage system on a mirroring data storage system. According to some embodiments to the present invention, prior to resynchronization of a data unit on the mirroring system with corresponding data on a primary unit, a consistent snap-shot of the data unit to be resynchronized is taken. According to some embodiments of the present invention, the snap-shop may be discarded upon completion of resynchronization.