docs/51897: Add example for disklable for md devices

[Marc Fonvieille]

On Tue, May 06, 2003 at 05:10:06PM -0700, Simon L. Nielsen wrote:
[...]
>  
>  %%%
>  Index: mdconfig.8
>  ===================================================================
>  RCS file: /home/ncvs/src/sbin/mdconfig/mdconfig.8,v
>  retrieving revision 1.19
>  diff -u -d -r1.19 mdconfig.8
>  --- mdconfig.8	27 Apr 2003 01:46:56 -0000	1.19
>  +++ mdconfig.8	6 May 2003 23:54:40 -0000
>  @@ -164,6 +164,18 @@
>   mount /dev/md10 /tmp
>   chmod 1777 /tmp
>   .Ed
>  +.Pp
>  +To create a 10MB memory disk named
>  +.Pa /dev/md0
>  +with the file
>  +.Pa somebackingfile
>  +as backing and label it with normal partitions:
>  +.Bd -literal -offset indent
>  +dd if=/dev/zero of=somebackingfile bs=1k count=10k
>  +mdconfig -a -t vnode -f somebackingfile -u 0
>  +disklabel -w md0

We shoould be consistent with other docs (Handbook etc..) i.e.
disklabel -r -w md0 auto

Marc