Storage controlling device and control method for a storage controlling device

摘要

A storage controlling device being connected to an external device and being able to communicate with each other comprises storage means, means for sending/receiving data input/output requests to/from the external device, and means for executing input/output processes in response to the data input/output requests. The input/output processes are executed in response to the data input/output requests attached to priority level determining information in an order that is determined based on priority level determining information that is attached as attribute information of the data input/output requests received from the external device.