Storage Subsystem Environment

environments can be or .

A SAN and a DAS use different procedures to attach a to a . In a SAN environment, the host is attached to the controller through a . This attachment permits multiple hosts to be connected to multiple controllers. In a DAS environment, the host is attached directly to the controller. SAN permits multiple hosts to access multiple storage subsystems, and DAS is a direct connection between the host and the storage subsystem.