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From: Warren Block <wblock@FreeBSD.org>
Date: Sun, 4 Nov 2012 03:19:07 +0000 (UTC)
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Subject: svn commit: r242546 - head/sbin/mdconfig
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Author: wblock (doc committer)
Date: Sun Nov  4 03:19:07 2012
New Revision: 242546
URL: http://svn.freebsd.org/changeset/base/242546

Log:
  Add an example showing the use of gnop(8) to skip over header data.
  
  PR:		kern/145999
  Reviewed by:	mjg
  MFC after:	1 week

Modified:
  head/sbin/mdconfig/mdconfig.8

Modified: head/sbin/mdconfig/mdconfig.8
==============================================================================
--- head/sbin/mdconfig/mdconfig.8	Sun Nov  4 02:52:03 2012	(r242545)
+++ head/sbin/mdconfig/mdconfig.8	Sun Nov  4 03:19:07 2012	(r242546)
@@ -41,7 +41,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 27, 2012
+.Dd November 3, 2012
 .Dt MDCONFIG 8
 .Os
 .Sh NAME
@@ -267,6 +267,18 @@ are implied
 device, and then mount the new memory disk:
 .Bd -literal -offset indent
 mount -t cd9660 /dev/`mdconfig -f cdimage.iso` /mnt
+.Pp
+.Ed
+Create a file-backed device from a hard disk image that begins
+with 512K of raw header information.
+.Xr gnop 8
+is used to skip over the header information, positioning
+.Pa md1.nop
+to the start of the filesystem in the image.
+.Bd -literal -offset indent
+mdconfig -f diskimage.img -u 1
+gnop create -o 512K md1
+mount /dev/md1.nop /mnt
 .Ed
 .Sh SEE ALSO
 .Xr md 4 ,