since real boottime vnd support would have caused many problems,

do a poor man's (but yet working) solution and provide the user with
instructions to enhance fstab(5) and rc.local(8) with own boot time support.

tweaks and ok jmc@

1 files changed, 27 insertions, 16 deletions

diff --git a/sbin/mount_vnd/mount_vnd.8 b/sbin/mount_vnd/mount_vnd.8
index 0b3089cc7e3..e59c42713cf 100644
--- a/sbin/mount_vnd/mount_vnd.8
+++ b/sbin/mount_vnd/mount_vnd.8
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mount_vnd.8,v 1.7 2007/05/31 19:19:46 jmc Exp $
+.\"	$OpenBSD: mount_vnd.8,v 1.8 2007/06/01 01:22:26 grunk Exp $
 .\"
 .\" Copyright (c) 1993 University of Utah.
 .\" Copyright (c) 1980, 1989, 1991, 1993
@@ -49,7 +49,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: June 1 2007 $
 .Dt MOUNT_VND 8
 .Os
 .Sh NAME
@@ -253,20 +253,38 @@ field has to be set to 0 to prevent
 .Xr fsck 8
 from checking the file system for the same reasons.
 .Bd -literal -offset indent
-/home/img0 /dev/svnd0c vnd rw             0 0
+/home/img0 /dev/svnd0c vnd rw,noauto      0 0
 /dev/svnd0a /home/mnt0 ffs rw,noauto,sync 0 0
 
-/home/img1 /dev/svnd1c vnd rw,-k                       0 0
+/home/img1 /dev/svnd1c vnd rw,noauto,-k                0 0
 /dev/svnd1a /home/mnt1 ffs rw,sync,noauto,nodev,nosuid 0 0
 
-/home/img2 /dev/svnd2c vnd rw,-K=20000                 0 0
+/home/img2 /dev/svnd2c vnd rw,noauto,-K=20000          0 0
 /dev/svnd2a /home/mnt2 ffs rw,sync,noauto,nodev,nosuid 0 0
 
-/home/img3 /dev/svnd3c vnd rw,-K=20000,-S=/home/img3.salt 0 0
-/dev/svnd3a /home/mnt3 ffs rw,noauto                      0 0
-/dev/svnd3d /home/mnt4 ffs rw,noauto                      0 0
-/dev/svnd3e /home/mnt5 ffs rw,noauto                      0 0
+/home/img3 /dev/svnd3c vnd rw,noauto,-K=20000,-S=/home/img3.salt 0 0
+/dev/svnd3a /home/mnt3 ffs rw,noauto                             0 0
+/dev/svnd3d /home/mnt4 ffs rw,noauto                             0 0
+/dev/svnd3e /home/mnt5 ffs rw,noauto                             0 0
 .Ed
+.Pp
+A sample of commands to put in
+.Xr rc.local 8
+in order to have vnd images configured at boot time is listed here:
+.Bd -literal -offset indent
+# Example for automatically configuring a vnd device on startup
+echo "configuring vnd devices:"
+mount /dev/svnd0c
+fsck -p /dev/svnd0a
+mount /mnt/svnd0a
+.Ed
+.Pp
+Mounting images during the first pass of
+.Xr fsck 8
+and
+.Xr mount 8
+is not possible, because the image to be configured to a vnd itself
+resides on a file system that first has to be checked and mounted.
 .Sh SEE ALSO
 .Xr vnd 4 ,
 .Xr fstab 5 ,
@@ -280,10 +298,3 @@ command first appeared in
 .Ox 4.2 .
 .Sh AUTHORS
 .An David Krause .
-.Sh BUGS
-Checking filesystems within svnd images using
-.Xr fsck 8
-at boot time, as well as mounting them at that point of time is not yet
-possible, because the mount option
-.Dq noauto
-is still necessary at the moment.