没有单点故障：你可以将其中的某块盘拔出而不影响磁盘阵列继续正常服务(虽然性能会有所下降，即所谓“降级模式”)，当你替换某块盘后RAID也会进行重建。

No single point of failure: you can pop out a drive and the array will continue to function (albeit with a performance hit, known as "degraded mode"). Replace the drive and it will rebuild itself.

youdao

服务器内RAID 0+1模式的磁盘阵列可以保证数据集的安全性和高速下载；

The RAID0+1 storage technology guarantees the security and high-speed download of data through different means established.

youdao