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Difference between snapshots and instant copies

posted Feb 26, 2012, 6:24 AM by Sachchida Ojha   [ updated Feb 26, 2012, 6:24 AM ]
                                              Instant Copy                                                                          Snapshot
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Place of realisation                    Disk Subsystem                                                                   File System
Resource Consumption              Loads disk subsystem's, controller and its buses.                   Loads server's CPU and all buses
Availability                                Depends upon disk subsystems                                             Depends upon File system
                                                (Hardware-dependent)                                                            (Hardware-independent)
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