hi ya i dont quite understand the problem... besides the typo like /dev/rooot
if you are looking to "see" /dev/hda2 and /dev/hdb2 separately.... - you wont ... its been raided together if you are trying to hotadd ... you need to hotremove it first... and might even need to hotsetfaulty first ... - after the hotadd does work.. than yo can watch it resync ( cat /proc/mdstat ) === and make sure the partition type on /dev/hda1 is fd type since it's not part of /dev/md1 yet --- make sure the disk itself is good assuming you dont care about data on /dev/md1 -- boot in standalone mode... -- mke2fs /dev/hda1 -- mount /dev/hda1 /mnt/test -- copy xxMB of junk to /mnt/test and compare to the original now go go back and manually rebuild /dev/md1 -- mdadd /dev/md1 /dev/hda1 /dev/hdb1 -- mke2fs /dev/md1 ... have fun alvin http://www.Linux-1U.net On Thu, 16 May 2002, Karoly VEGH wrote: > > Hi, > > I have two disks (same size, same partitions) in raid1, but to the / fs i > cannot add both hda's: > .. > ~ # cat /proc/mdstat > Personalities : [raid1] > read_ahead 1024 sectors > md1 : active raid1 hdb1[0] > 4200896 blocks [2/1] [U_] the problem ??? -- missing hda1 -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]