- Raid output of after clean install w/2 30gig drives on 7pre1
 - Be aware it may take some time to construct / reconstruct the raid array
 - after clean install.
 - Don't try to establish the raid right after an install on the console admin with
 - 5. Manage disk redundancy
 - Raid array will construct itself in less than an hour (speed of sys) and you
 - should see
 - All RAID devices are in clean state
 
 Current RAID status:
      Personalities : [raid1]
 md2 : active raid1 hdc2[1] hda2[0]
      29904896 blocks [2/2] [UU]
 md1 : active raid1 hdc1[1] hda1[0]
         102208 blocks [2/2] [UU]
 unused devices: <none>
     All RAID devices are in clean state
----
#cat /proc/partitions; cat /proc/mdstat
----
ARRAY /dev/md1 super-minor=1
major minor  #blocks  name
   3     0   30015216 hda
   3     1     102280 hda1
   3     2   29912904 hda2
  22     0   30015216 hdc
  22     1     104391 hdc1
  22     2   29904997 hdc2
   9     1     102208 md1
   9     2   29904896 md2
 253     0   29327360 dm-0
 253     1     524288 dm-1
Personalities : [raid1]
md2 : active raid1 hdc2[1] hda2[0]
      29904896 blocks [2/2] [UU]
md1 : active raid1 hdc1[1] hda1[0]
      102208 blocks [2/2] [UU]
unused devices: <none>
ARRAY /dev/md1 super-minor=1
A look inside mdadm.conf shows
mdadm.conf written out by anaconda DEVICE partitions MAILADDR root ARRAY /dev/md2 super-minor=2 ARRAY /dev/md1 super-minor=1
On the command line a good look at man mdadm should be in order.
and a look here also
http://www.tldp.org/HOWTO/Software-RAID-HOWTO.html#toc5