Patent ID: 6438648
Filing Date: 2002-08-20
Classification: G06F

Abstract:
In a data storage system, a method for managing a plurality of host computer operating requirements with respect to the operation of a plurality of logical units mapped across a plurality of disk storage devices, the method comprising steps of:configuring each host computer that has substantially similar operating requirements with respect to the plurality of logical units to use the same target ID in any I/O requests to a controller; in response to receiving by the controller, a message that includes a particular target ID and a particular computer's operating requirements with respect to the operation of the plurality of logical units, storing, by the controller, one set of the particular computer's operating requirements per target ID per logical unit, such that whenever the controller processes an I/O request from any computer that uses the particular target ID, the controller uses the particular set of the operating requirements to configure the operation of each of the logical units.