Patent ID: 6502205
Filing Date: 2002-12-31
Classification: G06F,G11B,H04L,Y10S

Abstract:
A system for automatically providing remote copy storage of data from a host computer, said system comprising:a first data storage system for coupling to the host computer for storing data from the host computer; and a second data storage system remotely coupled to the first data storage system for receiving a copy of the data from the first data storage system; wherein the first data storage system is programmed to transmit the data from the host computer to secondary storage in the second data storage system together with an indication that a primary storage device in the first data storage system is not available when the primary storage device in the fist data storage system is not available for storing the data from the host computer, and when the primary storage device in the first data storage system becomes available, the first data storage system automatically resynchronizes the primary storage device with the secondary storage in the second data storage system.