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.

Date of Patent:
Jan. 16, 2018

Filed:

Mar. 18, 2016
Applicant:

Dell Products L.p., Round Rock, TX (US);

Inventors:

Anirban Kundu, Bangalore, IN;

Abhijit Rajkumar Khande, Bangalore, IN;

Krishna Kumar P.K., Bangalore, IN;

Assignee:

Dell Products L.P., Round Rock, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/20 (2006.01); G06F 3/06 (2006.01); G06F 13/24 (2006.01); G06F 13/42 (2006.01); G06F 9/44 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0619 (2013.01); G06F 3/0665 (2013.01); G06F 3/0688 (2013.01); G06F 3/0689 (2013.01); G06F 9/4401 (2013.01); G06F 13/24 (2013.01); G06F 13/4282 (2013.01); G06F 2213/0026 (2013.01);
Abstract

An information handling system recognizes PCIe-based RAID volumes, including RAID virtual disks spanning two or more NVMe storage drives, while performing boot, hibernation, and crash-dump functions, rather than treating each storage device and its corresponding storage controller separately. The information handling system may perform a two-tiered discovery/initialization process during which a storage protocol function driver detects and initializes physical storage controllers, a storage controller bus driver virtualizes all physical storage controllers of a particular storage protocol and exposes a single virtualized storage controller for the protocol. A virtual miniport driver may then detect RAID volumes associated with the virtual storage controller and initialize the detected RAID stack(s).


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