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:
Mar. 10, 2026
Filed:
Apr. 18, 2023
Pure Storage, Inc., Mountain View, CA (US);
Andrew Bernat, Mountain View, CA (US);
Ethan Miller, Santa Cruz, CA (US);
PURE STORAGE, INC., Santa Clara, CA (US);
Abstract
Sharing encryption information amongst storage devices in a storage system, including: detecting that one or more source storage devices has been designated for removal from the storage system; and responsive to detecting that the source storage devices have been designated for removal from the storage system: encrypting a device key for each remaining storage device using a master secret to generate an encrypted device key for each remaining storage device; generating, for each write group, a first plurality of shares from the master secret; creating, from each share of the first plurality of shares, a second plurality of shares equal to a minimum number of the remaining storage devices required from each write group for a quorum to boot the storage system; and storing, for each remaining storage device, the encrypted device key and a respective share of the second plurality of shares in the remaining storage devices.