为了满足信息系统不断扩大的需求，需要建设信息系统核心数据库的存储系统、备份恢复系统，确保系统高可用性、可靠性、安全性和高性能。-To meet the growing demand for information systems, information systems need to build the core　storage system, backup and recovery system to ensure high availability, reliability, security and performance.