COMPUTER SYSTEM AND CACHE CONTROL METHOD

摘要

A computer system, comprising: a server; and a storage system, the server including an operating system, the storage system including a storage control part, wherein the operating system is configured to: transmit a read request for first data to the storage system in a case of receiving the read request for the first data not stored in a server cache from an application; store the first data received from the storage system into the server cache, and wherein the storage control part is configured to: read the first data from the storage cache, transmit the read first data to the server, and invalidate the first data stored in the storage cache.

主权项

1. A computer system, comprising:
a server, on which an application runs; and a storage system for storing data to be used by the application, the server including a first processor, a first memory, a cache device, in which a server cache for temporarily storing data is set up, and a first interface for coupling to another apparatus, the storage system including a controller and a plurality of storage devices, the controller including a second processor, a second memory, and a second interface for coupling to another device, the server including an operating system for controlling the server, the storage system including a storage cache for temporarily storing data and a storage control part for controlling the storage system, the operating system including a cache driver for controlling the server cache, wherein the operating system is configured to: transmit a read request for first data not stored in the server cache to the storage system in a case of receiving the read request for the first data from the application; transmit the first data received from the storage system to the application; and store the first data received from the storage system into the server cache, and wherein the storage control part is configured to: determine whether the first data is stored in the storage cache in a case of receiving the read request for the first data from the server; read the first data from the storage cache in a case where it is determined that the first data is stored in the storage cache, transmit the read first data to the server, and invalidate the first data stored in the storage cache; and read the first data from the plurality of storage devices in a case where it is determined that the first data is not stored in the storage cache, and transmit the read first data to the server.