Patent ID: 9699254
Date: 2017-07-04
CPC Classifications: H04L

Claim:
1. A computer system comprising: a server on which a predetermined application operates; and a storage system that stores data used by the application, the server including a first processor, a first memory, and a cache device on which a server cache that stores data temporarily is set, the storage system including a controller and a plurality of storage apparatuses, the controller including a second processor and a second memory, the second processor being configured to: provide a volume on the plurality of storage apparatuses, the volume including a plurality of second storage areas, the first processor being configured to: manage the number of accesses to respective storage areas included in a first portion of the plurality of second storage areas of the volume; not manage the number of accesses to respective storage areas included in a second portion of the plurality of second storage areas of the volume; and control arrangement of data in the server cache based on the number of accesses to the respective storage areas included in the first portion of the plurality of second storage areas of the volume.