Patent ID: 6601187
Filing Date: 2003-07-29
Classification: G06F,H04L

Abstract:
A system for remote backup of data written by a host computer to a first array of mass storage devices, the system comprising:a first site comprising components including: said host computer; and a first array controller and a second array controller, operatively coupled to said first array of mass storage devices; a second site comprising components including: a third array controller and a fourth array controller, operatively coupled to a second array of mass storage devices; a first switched fabric comprising: a first switch interconnecting the components of said first site; a second switch interconnecting the components of said second site; and a first Fibre channel link connecting said first switch and said second switch; and a second switched fabric comprising: a third switch interconnecting the components of said first site; a fourth switch interconnecting the components of said second site; and a second Fibre channel link connecting said third switch and said fourth switch; and wherein the first switched fabric and the second switched fabric are extended by E ports.