"dkwok" <dkwok@iware.com.au> writes:
> Then the next step is to initialize the raid0 conf by doing:
> 
> raidctl -C /etc/raid4.conf raid4
> 
> I am only guessing, I don't need to set any file system until raid 0 is done.
> 
> I 've got this error:
>  
> raidctl: stat failure on: /dev/raid4d

Sounds very much like a missing device node.  Check that
/dev/raid4d really exists.  If not, try

# cd /dev && sh MAKEDEV raid4

					-jarle
-- 
"On a clear disk you can seek forever."
			-- Peter O'Toole (Trinity College, Dublin)