Patent Number: 7,711,872

Title: Storage apparatus, process controller, and storage system

Abstract: A storage apparatus comprises: a memory for storing a processing ratio/upper limit table, which stores an upper limit number per prescribed time for input/output processing in accordance with the processing of a processing type for each of a plurality of processing types executed by a host computer; and a processor which receives an input/output request from the host computer, and executes input/output processing corresponding to the input/output request, such that input/output processing corresponding to the processing of each processing type per prescribed time falls within the upper limit number. According to this constitution, the input/output processing count per prescribed time can be properly controlled in accordance with the processing type.

Inventors: Sugimoto; Sadahiro (Yokohama, JP), Serizawa; Kazuyoshi (Tama, JP), Yamamoto; Yasutomo (Sagamihara, JP), Homma; Hisao (Odawara, JP)

Assignee: Hitachi, Ltd.

International Classification: G06F 13/00 (20060101); G06F 12/00 (20060101); G06F 13/28 (20060101); G06F 15/16 (20060101); G06F 3/00 (20060101); G06F 5/00 (20060101)

Expiration Date: 5/04/12018