Data mirroring method

Details Data mirroring method Data mirroring method

2006-07-24

2010-10-26

Mahmoudi, Tony (Department: 2169)

Data processing: database and file management or data structures

File or database maintenance

Database backup

Reexamination Certificate

active

07822715

ABSTRACT:
A system includes a primary storage unit connected to a secondary storage unit such that data written to the primary storage unit is replicated on the secondary storage unit. The primary storage unit in at least one exemplary embodiment includes the capability to intercept input/output instructions for routing to a buffer and/or directly to the secondary storage unit. The system in at least one exemplary embodiment includes a backup storage unit for backing up data from at least the secondary storage unit offline and the capability to update the secondary storage unit once it returns to an online status.

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