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IP Mirroring
Processing asynchronous IP mirroring requests
Processing asynchronous IP mirroring requests involves the following steps
1. The host sends a request to the local LUN.
2. A worker thread receives the request on the local LUN and completes the request.
3. Another worker thread adds the replication request data to the asynchronous IP mirroring
4. The first worker thread waits for the second worker thread to confirm that the request has
5. The drainer sends the request from the queue to a network thread on the remote LUN.
6. The harvester thread waits for a successful response from the remote LUN. When the
Figure 29: Processing an asynchronous IP mirroring request
132
(AIPM) queue.
been added to the AIPM queue. The first worker thread notifies the host that the request is
complete.
harvester thread receives a successful response, it removes the request from the AIPM
queue.
Continuous Access Storage Appliance Installation and Maintenance Guide
(Figure
29):
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