Lenovoemc Assigned Patent
Managing incremental cache backup and restore
By Francis Pelletier | May 22, 2015 at 2:58 pmLenovoemc Limited, Hong Kong, has been assigned a patent (9,021,222) developed by Sadhu, Vamsikrishna, Karnataka, India, and Gruttadauria, Brian R., Sutton, MA, for a “managing incremental cache backup and restore.”
The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method is used for managing incremental cache backup and restore. I/O operations are quiesced at a cache module. A first snapshot of a storage object and a second snapshot of an SSD cache object are taken. The I/O operations at the cache module are unquiesced. A single backup image comprising the first snapshot and the second snapshot is created.“
The patent application was filed on March 28, 2012 (13/432,637).