https://javaguide.cn/cs-basics/operating-system/operating-system-basic-questions-02.html#%E6%8F%90%E9%AB%98%E6%96%87%E4%BB%B6%E7%B3%BB%E7%BB%9F%E6%80%A7%E8%83%BD%E7%9A%84%E6%96%B9%E5%BC%8F%E6%9C%89%E5%93%AA%E4%BA%9B

磁盘阵列(Redundant Array of Independent Disks) Inexpensive也有这种说法 但是是比较老的了 https://computerbytes.co.uk/2024/10/01/raid-redundant-array-of-independent-disks/#:~:text=Originally%2C%20RAID%20stood%20for%20%E2%80%9CRedundant%20Array%20of%20Inexpensive,is%20now%20commonly%20referred%20to%20as%20%E2%80%9CIndependent%20Disks.%E2%80%9D