Hi, I found that the Software RAID still problem on Helios... 2.2.13-7mdk! When I use mkstart /dev/md0, its results error: invaild argument... Its happen on 2.2.9-19/27, 2.2.11-1, 2.2.13-4/5/7... kernel But work fine on 2.2.11-2 (but always out of memory) The final version I can use still 2.2.10-34! -- Rgds Kit K&B Computer Technology Co. ICQ: 28280598 http://www.knb.com.hk