> Then maybe there is something wrong with your partitioning scheme or > even physical layout. What drives do you have and how are they > partitioned? How are they physically connected? > I beg your pardon, I didn't see your previous post with the above information. At this point, I think you should undo the RAID 1 groups and revert to the 4 raw partitions marked as Linux Software Raid. Then try to create a RAID 10 group. If the guys from openfiler say that it is possible... I see no reasons to doubt them.