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Date:      Sat, 26 Oct 2013 15:05:27 +0000 (UTC)
From:      John-Mark Gurney <jmg@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r257165 - head/sbin/mdconfig
Message-ID:  <201310261505.r9QF5R7g010223@svn.freebsd.org>

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Author: jmg
Date: Sat Oct 26 15:05:27 2013
New Revision: 257165
URL: http://svnweb.freebsd.org/changeset/base/257165

Log:
  Document that -a will output the device name when -u is not specified..
  when -u is specified it is not...
  
  update the docs to say that you can use full device names w/ -u, and
  update the examples...
  
  Submitted by:	#vbsdcon
  MFC after:	3 days

Modified:
  head/sbin/mdconfig/mdconfig.8

Modified: head/sbin/mdconfig/mdconfig.8
==============================================================================
--- head/sbin/mdconfig/mdconfig.8	Sat Oct 26 15:02:34 2013	(r257164)
+++ head/sbin/mdconfig/mdconfig.8	Sat Oct 26 15:05:27 2013	(r257165)
@@ -89,6 +89,9 @@ Options indicate an action to be perform
 Attach a memory disk.
 This will configure and attach a memory disk with the
 parameters specified and attach it to the system.
+If the
+.Fl u Ar unit
+option is not provided, the newly created device name will be printed on stdout.
 .It Fl d
 Detach a memory disk from the system and release all resources.
 .It Fl r
@@ -209,9 +212,12 @@ that might adversely affect the system.
 Enable/disable readonly mode.
 .El
 .It Fl u Ar unit
-Request a specific unit number for the
+Request a specific unit number or device name for the
 .Xr md 4
 device instead of automatic allocation.
+If a device name is specified, it must be start with
+.Dq md
+followed by the unit number.
 .El
 .Pp
 The last form,
@@ -237,19 +243,19 @@ with
 .Pa /tmp/boot.flp
 as backing storage:
 .Pp
-.Dl mdconfig -a -t vnode -f /tmp/boot.flp -u 4
+.Dl mdconfig -a -t vnode -f /tmp/boot.flp -u md4
 .Pp
 Detach and free all resources used by
 .Pa /dev/md4 :
 .Pp
-.Dl mdconfig -d -u 4
+.Dl mdconfig -d -u md4
 .Pp
 Create a 128MByte swap backed disk, initialize an
 .Xr ffs 7
 file system on it, and mount it on
 .Pa /tmp :
 .Bd -literal -offset indent
-mdconfig -a -t swap -s 128M -u 10
+mdconfig -a -t swap -s 128M -u md10
 newfs -U /dev/md10
 mount /dev/md10 /tmp
 chmod 1777 /tmp
@@ -263,7 +269,7 @@ are implied
 .Pc :
 .Bd -literal -offset indent
 dd if=/dev/zero of=somebackingfile bs=1k count=5k
-mdconfig -f somebackingfile -u 0
+mdconfig -f somebackingfile -u md0
 bsdlabel -w md0 auto
 newfs md0c
 mount /dev/md0c /mnt
@@ -290,7 +296,7 @@ is used to skip over the header informat
 .Pa md1.nop
 to the start of the filesystem in the image.
 .Bd -literal -offset indent
-mdconfig -f diskimage.img -u 1
+mdconfig -f diskimage.img -u md1
 gnop create -o 512K md1
 mount /dev/md1.nop /mnt
 .Ed



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