Pure Storage, Inc.
Emulating persistent reservations in a cloud-based storage system

Abstract:

Emulating persistent reservations in a cloud-based storage system, including: acquiring, by a first storage controller, in response to a request for a Small Computer Systems Interface (SCSI) persistent reservation, a first lease for an area of storage of a cloud-based storage system; and storing, by the first storage controller, a first identifier for the first lease in a predefined portion of the area of storage, wherein the predefined portion of the area of storage is accessible to a second storage controller.