Patent 11947968 was granted and assigned to Pure Storage on April, 2024 by the United States Patent and Trademark Office.
A system and method for efficient use of zones in a storage system. The method includes: building a frontier set comprising one or more zones of one or more storage devices for writing to; writing data to at least one zone of the one or more zones included in the frontier set; and during a bootup sequence: accessing a frontier set list to identify the one or more zones in the frontier set; and scanning the one or more zones to identify the at least one zone that data was written to.