start at documenting mpath(4).

2 files changed, 46 insertions, 2 deletions

diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
index 0f2867ec33a..74dae3243b7 100644
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.487 2009/08/08 09:31:13 kevlo Exp $
+#	$OpenBSD: Makefile,v 1.488 2009/08/09 12:52:51 dlg Exp $
 
 MAN=	aac.4 ac97.4 acphy.4 \
 	acpi.4 acpiac.4 acpiasus.4 acpibat.4 acpibtn.4 acpicpu.4 acpidock.4 \
@@ -31,7 +31,7 @@ MAN=	aac.4 ac97.4 acphy.4 \
 	kate.4 km.4 ksyms.4 kue.4 lc.4 lge.4 lii.4 lkm.4 lm.4 \
 	lmc.4 lmenv.4 lmn.4 lmtemp.4 lo.4 lofn.4 lpt.4 lxtphy.4 luphy.4 \
 	maestro.4 mainbus.4 malo.4 maxds.4 maxtmp.4 mbg.4 midi.4 mii.4 mfi.4 \
-	moscom.4 mos.4 mpe.4 mpi.4 mpu.4 msk.4 msts.4 mtd.4 mtdphy.4 \
+	moscom.4 mos.4 mpe.4 mpath.4 mpi.4 mpu.4 msk.4 msts.4 mtd.4 mtdphy.4 \
 	multicast.4 mtio.4 myx.4 ne.4 neo.4 netintro.4 nfe.4 nge.4 nmea.4 \
 	noct.4 nofn.4 nsclpcsio.4 nsgphy.4 nsphy.4 nsphyter.4 null.4 nviic.4 \
 	ohci.4 opl.4 options.4 onewire.4 oosiop.4 osiop.4 otus.4 \
diff --git a/share/man/man4/mpath.4 b/share/man/man4/mpath.4
new file mode 100644
index 00000000000..b0de3232db3
--- /dev/null
+++ b/share/man/man4/mpath.4
@@ -0,0 +1,44 @@
+.\"	$OpenBSD: mpath.4,v 1.1 2009/08/09 12:52:51 dlg Exp $
+.\"
+.\" Copyright (c) 2009 David Gwynne <dlg@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate: August 9 2009 $
+.Dt MPATH 4
+.Os
+.Sh NAME
+.Nm mpath
+.Nd SCSI Multipathing
+.Sh SYNOPSIS
+.Cd "mpath0 at root"
+.Cd "scsibus* at mpath?"
+.Sh DESCRIPTION
+The
+.Nm
+intercepts the attachement of devices on physical SCSI buses that could be available via several paths.
+These devices are then presented via the
+.Xr scsibus 4
+attached to
+.Nm .
+.Sh SEE ALSO
+.Xr ioctl 2 ,
+.Xr intro 4 ,
+.Xr scsi 4 ,
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 4.7 .
+.Sh AUTHORS
+.An David Gwynne Aq dlg@openbsd.org .