> what is your purpose with this Level? I'm asking because I had done some > raid level tests some time ago with hardware raid controllers/systems > from 3ware, sun and iscsi-raidsystems and some softwareraid setups. > The purpose of using RAID 10 is, of course, performance coupled with full redundancy. > I haven't seen significant performance differences using different > levels. (I'm not comparing the controllers.) > Did you test RAID 10 also? I am using software RAID 10 with CentOS 5.3 and I surely did see a *huge* performance increase with RAID 10 compared to RAID 1 only.