Patent ID: 7716434
Filing Date: 2010-05-11
Classification: G06F,Y10S

Abstract:
1. A storage system comprising: a first network storage device including a primary volume and a first interface (I/F); a second network storage device including a secondary volume that forms a mirror pair with said primary volume, said second network storage device including a second I/F; and a virtualization apparatus that is connected to be able to communicate with said first network storage device via said first interface and said second network storage device via said second interface, and that allows a client connected via a network to access the first and second network storage devices as one virtual network storage system; wherein a computer is connectable to access the secondary volume which forms the mirror pair with the primary volume in the second network storage device, separately from said virtualization apparatus via a third I/F included in the second network storage device; and wherein access control of said secondary volume is configured by: