> RAID 0+1 is more fault tolerant than RAID 1+0. Hm, I thought RAID 1+0 is more fault tolerant than RAID 0+1. See http://www.miracleas.com/BAARF/RAID5_versus_RAID10.txt Vlado Barun, M.Sc. Senior Data Architect, Cadre5 www.cadre5.com -- //www.freelists.org/webpage/oracle-l