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During the Write phase of RecoverPoint replication, when does the write splitter send an acknowledgement back to the host that initiated the write?
Correct Answer: B
* RecoverPoint Write Phase: * In the RecoverPoint replication process, the write splitter plays a crucial role in intercepting writes from the host and forwarding them to both the production storage and the RecoverPoint appliances (RPAs). * Write Splitter Functionality: * The write splitter intercepts write I/O requests from the host and splits the I/O to both the production LUN and the RPAs. This ensures that the data is written to both the primary storage and replicated copies. * Acknowledgement Process: * During the write phase, the write splitter must ensure that the data is successfully written to the production LUN before acknowledging the write request back to the host. * This is because the primary concern is ensuring data integrity and confirming that the data is safely stored in the production environment before any replication considerations. * Detailed Workflow: * Step 1: Host issues a write request. * Step 2: The write splitter intercepts the write request. * Step 3: The write splitter forwards the write to the production LUN and the RPAs. * Step 4: The production LUN processes the write and sends an acknowledgement back to the write splitter. * Step 5: Upon receiving the acknowledgement from the production LUN, the write splitter then sends an acknowledgement back to the host.
