DATA READIING AND WRITING METHOD ,DEVICE AND STORAGE SYSTEM

摘要

A method and a device for data reading and writing and a storage system are provided. The method for data reading and writing includes: A block storage driver of a initiation terminal apparatus receives an operation request based on a LBA manner corresponding to volumes; The operation request based on the LBA manner is converted to an operation request based on a Key addressing manner; Then the operation request based on the Key addressing manner is sent to a router bank. The reliability , usability, extensibility and inexpensiveness of the storage system are improved. The demand of great capacity storage with high extensibility, high reliability, high usability and inexpensiveness is satisfied.