Invention Grant
- Patent Title: Rebuilding data via locally decodable redundancy in a vast storage network
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Application No.: US17084828Application Date: 2020-10-30
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Publication No.: US11429486B1Publication Date: 2022-08-30
- Inventor: Ilya Volvovski , Bruno H. Cabral , Manish Motwani , Thomas D. Cocagne , Timothy W. Markison , Gary W. Grube , Wesley B. Leggette , Jason K. Resch , Michael C. Storm , Greg R. Dhuse , Yogesh R. Vedpathak , Ravi V. Khadiwala
- Applicant: Pure Storage, Inc.
- Applicant Address: US CA Mountain View
- Assignee: Pure Storage, Inc.
- Current Assignee: Pure Storage, Inc.
- Current Assignee Address: US CA Mountain View
- Agency: Garlick & Markison
- Agent Timothy W. Markison; Bruce E. Stuckman
- Main IPC: G06F11/10
- IPC: G06F11/10 ; G06F11/07 ; H04L67/1097 ; G06F16/00 ; H04L67/62 ; G06F3/06 ; H04L47/72 ; H04L47/28 ; G06F9/50

Abstract:
In various embodiments, a method is presented for execution by a processing circuit of a storage network device that includes a processor. The method comprises: receiving, via the processing circuit, a first subset of encoded data slices of a set of encoded data slices corresponding to a data segment; identifying, via the processing circuit, at least one missing encoded data slice of the first subset of slices that is required to decode the data segment; generating, via the processing circuit, at least one rebuilt encoded data slice corresponding to the at least one missing encoded data slice utilizing locally decodable redundancy data; and recovering, via the processing circuit, the data segment based on the at least one rebuilt encoded data slice and the first subset of encoded data slices.
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