The RAID50 model of multi-controller stripe and the two-level address mapped mode of the host virtual volume address to high array and low array stripe is designed for enhancing I/O access concurrency.

• 设计了一种多个控制卡分条的RAID50模型和主机虚拟卷地址到所属高级别阵列、低级别阵列分条的二级地址映射模式,以提高I/O访问的并发性。