# uname -r; mdadm -V; cat /proc/mdstat 2.6.15.4-gbbde1285 mdadm - v2.3.1 - 6 February 2006 Personalities : [raid1] [raid5] [raid6] md1 : active raid1 hdd1[12] sdi1[8] sda1[0] hda1[13] sdl1[11] sdk1[10] sdj1[9] sdh1[7] sdg1[6] sdf1[5] sde1[4] sdd1[3] sdc1[2] sdb1[1] 251776 blocks [14/14] [UUUUUUUUUUUUUU] unused devices: <none> # # mdadm /dev/md1 -f /dev/hdd1 mdadm: set /dev/hdd1 faulty in /dev/md1 # # mdadm /dev/md1 -r /dev/hdd1 mdadm: hot removed /dev/hdd1 # # mdadm /dev/md1 -a /dev/hdd1 mdadm: cannot find valid superblock in this array - HELP # # mdadm-1.12.0 /dev/md1 -a /dev/hdd1 mdadm: hot added /dev/hdd1 Any hints? Andre -- The only person who always got his work done by Friday was Robinson Crusoe - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html