Patent ID: 6886084
Filing Date: 2005-04-26
Classification: G06F

Abstract:
1. A storage controlling device connected to an external device and being able to communicate with each other, comprising: storage means for storing data; means for sending/receiving data input/output requests to/from said external device; execution means for executing data input/output processes with respect to said storage means in response to said data input/output requests in an order that is determined based on priority level determining information that is attached as attribute information of said data input/output requests received from said external device; and a priority level administration means for storing a maximum number of successive processes of data input/output requests for each priority levels, and for associating said priority level determining information with an execution order priority level; wherein priority levels corresponding to said priority level determining information are provided to said received data input/output requests, and said data input/output processes corresponding to said data input/output requests at each of said priority levels are executed at least once every time said data input/output processes are executed a preset number of times.