Patent 11550473 was granted and assigned to Pure Storage on January, 2023 by the United States Patent and Trademark Office.
A method of operating a storage system is disclosed. The method includes determining a storage cluster among storage arrays of the storage system. Each storage array includes at least two controllers and at least one storage shelf. The at least two controllers are configured to function as both a primary controller for a first storage array and a secondary controller for a second storage array.