Patent ID: 7647460
Filing Date: 2010-01-12
Classification: G06F

Abstract:
1. A computer system comprising: a central processing unit (CPU); a first storage system that is coupled to the CPU to store information written from the CPU; a second storage system; at least one communication link coupling the second storage system to the CPU, the at least one communication link including a network cloud that is shared with at least one other resource so that no portion of the network cloud is dedicated exclusively to transferring information between the CPU and the second storage system, wherein the at least one communication link extends between the first and second storage systems such that the second storage system is coupled to the CPU via the first storage system; and a mirroring controller, responsive to the information being written from the CPU to the first storage system, to mirror at least some of the information written from the CPU to the first storage system in the second storage system by transferring the at least some of the information through the network cloud.