On 8/27/07, Les Mikesell <lesmikesell at gmail.com> wrote: > Is there some new trick to making raid devices on Centos5? > > # mdadm --create /dev/md3 --level=1 --raid-devices=2 /dev/sdc1 /dev/sdc1 > mdadm: error opening /dev/md3: No such file or directory > > I thought that worked on earlier versions. Do I have to do something > udev related first? > > -- > Les Mikesell > lesmikesell at gmail.com Looks correct to me. How about adding a --verbose to get more info? Akemi