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1. (WO2017070005) AUTHORIZING I/O COMMANDS WITH I/O TOKENS

Pub. No.:    WO/2017/070005    International Application No.:    PCT/US2016/056917
Publication Date: Fri Apr 28 01:59:59 CEST 2017 International Filing Date: Fri Oct 14 01:59:59 CEST 2016
IPC: G06F 12/14
Applicants: PURE STORAGE, INC.
Inventors: HAYES, John
LEE, Robert
Title: AUTHORIZING I/O COMMANDS WITH I/O TOKENS
Abstract:
A method for authorizing I/O (input/output) commands in a storage cluster is provided. The method includes generating a token responsive to an authority initiating an I/O command, wherein the token is specific to assignment of the authority and a storage node of the storage cluster. The method includes verifying the I/O command using the token, wherein the token includes a signature confirming validity of the token and wherein the token is revocable.