Patent ID: 7549016
Filing Date: 2009-06-16
Classification: G06F,Y02D

Abstract:
1. A storage control apparatus comprising: a plurality of connecting units connected to one or more host computers and one or more disk drives as storage media for storing data; one or more non-volatile storage media which are a different type of storage media from that of the disk drives and which stores data WRITE requested from the host computer; a plurality of processing units for processing WRITE and READ requests from the host computer by using the disk drives or the non-volatile storage media and; a plurality of memory units that store; a user-specified requirement table for storing identification information on performance of storage media that a user specifies for data; a device determining requirement table for associating the storage media with performance thereof; and a usage status management table for associating an identifier for each storage medium with information on a usage status of each storage medium, wherein the processing units; inquire the user-specified requirement table and determine a user-specification for the data, inquire the device determining requirement table and the usage status management table and select storage media having performance that satisfies the user-specification for the data, and store the data on the selected storage media.