Introduction -Rapid evolution of computer storage capacity
Computer storage capacity has increased rapidly mainly due to the unstoppable demands of external storage or secondary storage by organizations that employ the centralized management and also to the huge volume of data moving between transaction system and enterprises data storage.
The significance of this scenario can be observed through the increasing of awareness on factors such as continuous availability, ease of management, scalability and resource sharing in diverse environment.
The introduction of new specifically network architectures such as Storage Area Network (SAN) gives organizations an alternative, as it is being considered as the possible choice for the stated scenario and its significance. Experts believe that Storage Area Network is about to revolutionize the computer storage industry.