In order to ensure performance and improve disk utilization in Huawei Oceanstor 9000, it is...

The relationship between redundancy ratio and read/write performance from high to low is: N+l>N+2=N+2:1> N+3:1>N+4

Only non-empty directories can modify the redundancy ratio

The relationship between stripe size and read and write performance is: 512KB>256KB>128KB> 16KB

The modified strip size is only effective for the file that was written, and the existing file before modification still keeps the strip size before modification