Patent 10152267 was granted and assigned to EMC on December, 2018 by the United States Patent and Trademark Office.
In one embodiment, a method includes intercepting a write command to write to a volume at a production site, saving data from the write command to a cache, sending metadata from the write command to a data protection appliance (DPA), writing the data to the volume, receiving a request for the data in the cache, sending the data from cache to a data protection appliance (DPA) at the production site and sending the data from the DPA to the replication site.