Hello, When we have ataraid enabled from the kernel and we use /dev/ataraid/d0pN for RAID 1 and kernel see also the 2 disks as dev/hde and /dev/hdh, in which device i have to check for badblocks. PAvlos -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I love having the feeling of being in control while i have the sensation of speed The surfer of life ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~