Written by Francis Pelletier on 2017.01.03
Source URL: http://www.storagenewsletter.com/rubriques/solid-state-ssd-flash-key/cavium-assigned-patent-2/
Cavium, Inc., San Jose, CA, has been assigned a patent (9,501,245) developed by Hussain, Muhammad Raghib, Saratoga, CA, Murgai, Vishal, Cupertino, CA, Panicker, Manojkumar, Sunnyvale, CA, Masood, Faisal, San Jose, CA, Folsom, Brian, Northborough, MA, and Kessler, Richard Eugene, Northborough, MA, for a “systems and methods for NVMe controller virtualization to support multiple virtual machines running on a host.”
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The abstract of the patent published by the U.S. Patent and Trademark Office states: “A new approach is proposed that contemplates systems and methods to virtualize a physical NVMe controller associated with a computing device or host so that every virtual machine running on the host can have its own dedicated virtual NVMe controller. First, a plurality of virtual NVMe controllers are created on a single physical NVMe controller, which is associated with one or more storage devices. Once created, the plurality of virtual NVMe controllers are provided to VMs running on the host in place of the single physical NVMe controller attached to the host, and each of the virtual NVMe controllers organizes the storage units to be accessed by its corresponding VM as a logical volume. As a result, each of the VMs running on the host has its own namespace(s) and can access its storage devices directly through its own virtual NVMe controller.”
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