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:
Aug. 04, 2015

Filed:

Nov. 21, 2014
Applicant:

Igneous Systems, Inc., Seattle, WA (US);

Inventors:

Triantaphyllos Byron Rakitzis, Seattle, WA (US);

Jeffrey Douglas Hughes, Seattle, WA (US);

Kiran V. Bhageshpur, Seattle, WA (US);

Assignee:

Igneous Systems, Inc., Seattle, WA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 11/14 (2006.01); G06F 11/10 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1448 (2013.01); G06F 11/1084 (2013.01); G06F 2201/84 (2013.01);
Abstract

Embodiments are directed towards writing data to a shingle of storage devices enabling storage devices not in the shingle to be turned off. A shingle may be a sub-group of more than one storage devices selected from a larger group of storage devices. A plurality of data repair sets may be written to various subsets of the storage devices in the shingle. Each data repair set may include data block(s) and repair block(s)—with each block being stored on a different storage device in the shingle. When a condition is satisfied, the shingle may be modified to either remove at least one storage device from the shingle, add at least one other storage device to the shingle, or both. In various embodiments, the at least one other storage device may be a storage device in the group of storage devices that is not currently included in the shingle.


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