DATA CACHING METHOD AND STORAGE SYSTEM

摘要

Provided in an embodiment of the present invention are a data caching method and storage system, the storage system comprising a plurality of controllers, and each controller including a cache. The method comprises: a first controller receives a data read request transmitted by a host, the data read request carrying address information; determining a second controller according to the address information carried by the data read request; transmitting the address information to the second controller; and according to the address information, the second controller acquires the address information of target data to be read, and reads the target data into cache according to the address information of the target data, thus realizing accurate forecast of target data to be read.