Here are some suggestions you can try to improve your
performance:
set:
1. set write cache ->enabled (objects -> physical drives -> press
enter on each hard drive and set write cache to enable)
2. read policy -> adaptive (objects -> logical drive)
3. write policy -> wrtback (objects -> logical drive)
4. cache policy -> direct i/o (objects -> logical drive) also, you may have to troubleshoot your stripe size to get the optimal writing performance when using raid. If you think you will be writing large sequential files, then use a larger stripe size.