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:
Dec. 10, 2019

Filed:

May. 21, 2018
Applicant:

Microsoft Technology Licensing, Llc, Redmond, WA (US);

Inventors:

Karan Mehra, Sammamish, WA (US);

Sachin Patel, Bellevue, WA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 11/20 (2006.01); G06F 3/06 (2006.01); G06F 11/14 (2006.01); G06F 11/10 (2006.01); G06F 11/16 (2006.01);
U.S. Cl.
CPC ...
G06F 11/2089 (2013.01); G06F 3/061 (2013.01); G06F 3/0631 (2013.01); G06F 3/0647 (2013.01); G06F 3/0689 (2013.01); G06F 11/10 (2013.01); G06F 11/1076 (2013.01); G06F 11/1469 (2013.01); G06F 11/1658 (2013.01); G06F 11/1662 (2013.01); G06F 11/2082 (2013.01); G06F 2211/1035 (2013.01); G06F 2211/1071 (2013.01);
Abstract

In a parity-based redundancy scheme, a log is maintained that contains a record of storage writes and associated redundancy backups. A mapping of allocation information indicative of free and allocated portions of storage is stored. An indication is received of a change to the free and allocated portions of storage. An update to the mapping of allocation information is determined, and the update to the mapping of allocation information is stored. The stored update is accessed and the redundancy backup is synchronized with stored data in response to a power interruption.


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