The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 06, 2014
Filed:
Mar. 25, 2010
Sanjana Aswani, Boston, MA (US);
Hariharan Subramanian, Wakefield, MA (US);
Edward Joseph Goggin, Concord, MA (US);
Vibhor Arunkumar Patale, Bangalore, IN;
Rupesh Bajaj, Madhya Pradesh, IN;
Sanjana Aswani, Boston, MA (US);
Hariharan Subramanian, Wakefield, MA (US);
Edward Joseph Goggin, Concord, MA (US);
Vibhor Arunkumar Patale, Bangalore, IN;
Rupesh Bajaj, Madhya Pradesh, IN;
VMware, Inc., Palo Alto, CA (US);
Abstract
A method of direct access by a virtual machine (VM) running on a host machine to physical storage via a virtual function (VF) running on an input/output (IO) adapter comprising: providing by a virtualization intermediary running on the host machine an indication of an active path associated with a virtual storage device; obtaining by a guest driver running within a guest operating system of the VM the stored indication of the active path from the shared memory region; dispatching an IO request by the guest driver to the VF that includes an indication of the active path; and sending by the VF an IO request that includes the indicated active path.