Patent ID: 8621603
Filing Date: 2013-12-31
Classification: G06F,Y02D

Abstract:
1. A storage controller communicatively coupling a host system with a plurality of storage devices, the storage controller comprising: a physical device manager operable to communicate with the storage devices, wherein the storage devices provision one or more logical volumes, a logical device manager operable to expose logical volumes that are discovered by the logical device manager to the host system for Input/Output (I/O) operations; and an abstraction layer between the physical device manager and the logical device manager, the abstraction layer operable to identify ownership information for the one or more logical volumes, wherein the ownership information defines a storage controller that is authorized to access a logical volume, wherein the abstraction layer is further operable to determine if the storage controller is authorized to access the logical volume based upon the ownership information, wherein the abstraction layer is further operable to: