PrimaryIO Assigned Patent

Data caching system and method for hypervisor-based computer systems

PrimaryIO, Inc., San Carlos, CA, has been assigned a patent (9,792,057) developed by Pujari, Harish Chandra, Mitra, Anand, Ranade, Dilip Madhusudan, and Joshi, Prasad Gajanan, Pune, India, for a "data caching system and method for hypervisor-based computer systems."

The abstract of the patent published by the U.S. Patent and Trademark Office states: "An embodiment of the invention provides an apparatus comprising: a hypervisor comprising a virtual caching appliance, (VCA) and an intermediate multipathing module that interfaces with VCA, wherein the intermediate multipathing module is configured to pass an I/O request from a virtual machine to the VCA, and wherein the VCA is configured to determine if the I/O request is to be passed from the VCA to a solid state storage or if the I/O request is to be passed from the VCA to a hard disk storage. Another embodiment of the invention provides a method comprising: passing an I/O request from a virtual machine to a virtual caching appliance, (VCA) in a hypervisor, and determining if the I/O request is to be passed from the VCA to a solid state storage or if the I/O request is to be passed from the VCA to a hard disk storage.”

The patent application was filed on September 23, 2015 (14/863,447).