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citadel/meta-citadel/recipes-support/multipath-tools/files/0025-RH-add-mpathconf.patch

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Added udisks2 recipe (and dependencies) to Citadel
2018-11-08 22:51:07 -05:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Thu, 16 Oct 2014 15:49:01 -0500
Subject: [PATCH] RH: add mpathconf
mpathconf is a program (largely based on lvmcomf) to help users
configure /etc/multipath.conf and enable or disable multipathing. It
has a couple of built-in options that can be set directly from the
command line. But, mostly it is used to get a multipath.conf file
with the OS defaults, and to enable and disable multipathing via
a single command.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
libmultipath/config.c | 1 +
multipath/Makefile | 5 +
multipath/mpathconf | 464 ++++++++++++++++++++++++++++++++++++++++++++++++++
multipath/mpathconf.8 | 101 +++++++++++
4 files changed, 571 insertions(+)
create mode 100644 multipath/mpathconf
create mode 100644 multipath/mpathconf.8
diff --git a/libmultipath/config.c b/libmultipath/config.c
index 0607403..5c98e48 100644
--- a/libmultipath/config.c
+++ b/libmultipath/config.c
@@ -661,6 +661,7 @@ load_config (char * file)
} else {
condlog(0, "/etc/multipath.conf does not exist, blacklisting all devices.");
+ condlog(0, "You can run /sbin/mpathconf to create or modify /etc/multipath.conf");
if (conf->blist_devnode == NULL) {
conf->blist_devnode = vector_alloc();
if (!conf->blist_devnode) {
diff --git a/multipath/Makefile b/multipath/Makefile
index b9bbb3c..e720c7f 100644
--- a/multipath/Makefile
+++ b/multipath/Makefile
@@ -18,10 +18,12 @@ $(EXEC): $(OBJS) $(multipathdir)/libmultipath.so $(mpathcmddir)/libmpathcmd.so
$(CC) $(CFLAGS) $(OBJS) -o $(EXEC) $(LDFLAGS) $(LIBDEPS)
$(GZIP) $(EXEC).8 > $(EXEC).8.gz
$(GZIP) $(EXEC).conf.5 > $(EXEC).conf.5.gz
+ $(GZIP) mpathconf.8 > mpathconf.8.gz
install:
$(INSTALL_PROGRAM) -d $(DESTDIR)$(bindir)
$(INSTALL_PROGRAM) -m 755 $(EXEC) $(DESTDIR)$(bindir)/
+ $(INSTALL_PROGRAM) -m 755 mpathconf $(DESTDIR)$(bindir)/
$(INSTALL_PROGRAM) -d $(DESTDIR)$(udevrulesdir)
$(INSTALL_PROGRAM) -m 644 11-dm-mpath.rules $(DESTDIR)$(udevrulesdir)
$(INSTALL_PROGRAM) -m 644 $(EXEC).rules $(DESTDIR)$(libudevdir)/rules.d/62-multipath.rules
@@ -29,13 +31,16 @@ install:
$(INSTALL_PROGRAM) -m 644 $(EXEC).8.gz $(DESTDIR)$(man8dir)
$(INSTALL_PROGRAM) -d $(DESTDIR)$(man5dir)
$(INSTALL_PROGRAM) -m 644 $(EXEC).conf.5.gz $(DESTDIR)$(man5dir)
+ $(INSTALL_PROGRAM) -m 644 mpathconf.8.gz $(DESTDIR)$(man8dir)
uninstall:
$(RM) $(DESTDIR)$(bindir)/$(EXEC)
$(RM) $(DESTDIR)$(udevrulesdir)/11-dm-mpath.rules
$(RM) $(DESTDIR)$(libudevdir)/rules.d/62-multipath.rules
+ $(RM) $(DESTDIR)$(bindir)/mpathconf
$(RM) $(DESTDIR)$(man8dir)/$(EXEC).8.gz
$(RM) $(DESTDIR)$(man5dir)/$(EXEC).conf.5.gz
+ $(RM) $(DESTDIR)$(man8dir)/mpathconf.8.gz
clean: dep_clean
$(RM) core *.o $(EXEC) *.gz
diff --git a/multipath/mpathconf b/multipath/mpathconf
new file mode 100644
index 0000000..e839134
--- /dev/null
+++ b/multipath/mpathconf
@@ -0,0 +1,464 @@
+#!/bin/bash
+#
+# Copyright (C) 2010 Red Hat, Inc. All rights reserved.
+#
+# This file is part of the device-mapper-multipath package.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#
+# Simple editting of /etc/multipath.conf
+# This program was largely ripped off from lvmconf
+#
+
+unset ENABLE FIND FRIENDLY MODULE MULTIPATHD HAVE_DISABLE HAVE_WWID_DISABLE HAVE_FIND HAVE_BLACKLIST HAVE_EXCEPTIONS HAVE_DEFAULTS HAVE_FRIENDLY HAVE_MULTIPATHD HAVE_MODULE HAVE_OUTFILE SHOW_STATUS CHANGED_CONFIG WWID_LIST
+
+DEFAULT_CONFIG="# device-mapper-multipath configuration file
+
+# For a complete list of the default configuration values, run either:
+# # multipath -t
+# or
+# # multipathd show config
+
+# For a list of configuration options with descriptions, see the
+# multipath.conf man page.
+
+defaults {
+ user_friendly_names yes
+ find_multipaths yes
+}
+
+blacklist_exceptions {
+ property \"(SCSI_IDENT_|ID_WWN)\"
+}"
+
+CONFIGFILE="/etc/multipath.conf"
+OUTPUTFILE="/etc/multipath.conf"
+MULTIPATHDIR="/etc/multipath"
+TMPFILE="/etc/multipath/.multipath.conf.tmp"
+WWIDS=0
+
+function usage
+{
+ echo "usage: $0 <command>"
+ echo ""
+ echo "Commands:"
+ echo "Enable: --enable "
+ echo "Disable: --disable"
+ echo "Only allow certain wwids (instead of enable): --allow <WWID>"
+ echo "Set user_friendly_names (Default y): --user_friendly_names <y|n>"
+ echo "Set find_multipaths (Default y): --find_multipaths <y|n>"
+ echo "Load the dm-multipath modules on enable (Default y): --with_module <y|n>"
+ echo "start/stop/reload multipathd (Default n): --with_multipathd <y|n>"
+ echo "select output file (Default /etc/multipath.conf): --outfile <FILE>"
+ echo ""
+}
+
+function add_wwid
+{
+ INDEX=0
+ while [ "$INDEX" -lt "$WWIDS" ] ; do
+ if [ "$1" = "${WWID_LIST[$INDEX]}" ] ; then
+ return
+ fi
+ ((INDEX++))
+ done
+ WWID_LIST[$WWIDS]="$1"
+ ((WWIDS++))
+}
+
+function get_dm_deps
+{
+ shift 3
+ while [ -n "$1" -a -n "$2" ]; do
+ MAJOR=$(echo $1 | tr -d '(,')
+ MINOR=$(echo $2 | tr -d ')')
+ UUID=`dmsetup info -c --noheadings -o uuid -j $MAJOR -m $MINOR 2> /dev/null`
+ if [ -n "$UUID" ] ; then
+ set_dm_wwid $UUID
+ fi
+ shift 2
+ done
+}
+
+function set_dm_wwid
+{
+ if [[ "$1" =~ ^part[[:digit:]]+-mpath- ]] ; then
+ add_wwid "${1##part*-mpath-}"
+ elif [[ "$1" =~ ^mpath- ]] ; then
+ add_wwid "${1##mpath-}"
+ else
+ get_dm_deps `dmsetup deps -u $1`
+ fi
+}
+
+function set_wwid
+{
+ UUID=""
+ if [[ "$1" =~ ^[[:digit:]]+:[[:digit:]]+$ ]] ; then
+ MAJOR=${1%%:*}
+ MINOR=${1##*:}
+ UUID=`dmsetup info -c --noheadings -o uuid -j $MAJOR -m $MINOR 2> /dev/null`
+ else
+ UUID=`dmsetup info -c --noheadings -o uuid $1 2> /dev/null`
+ fi
+ if [ -n "$UUID" ] ; then
+ set_dm_wwid $UUID
+ else
+ add_wwid "$1"
+ fi
+}
+
+function parse_args
+{
+ while [ -n "$1" ]; do
+ case $1 in
+ --enable)
+ ENABLE=1
+ shift
+ ;;
+ --disable)
+ ENABLE=0
+ shift
+ ;;
+ --allow)
+ ENABLE=2
+ if [ -n "$2" ]; then
+ set_wwid $2
+ shift 2
+ else
+ usage
+ exit 1
+ fi
+ ;;
+ --user_friendly_names)
+ if [ -n "$2" ]; then
+ FRIENDLY=$2
+ shift 2
+ else
+ usage
+ exit 1
+ fi
+ ;;
+ --find_multipaths)
+ if [ -n "$2" ]; then
+ FIND=$2
+ shift 2
+ else
+ usage
+ exit 1
+ fi
+ ;;
+ --with_module)
+ if [ -n "$2" ]; then
+ MODULE=$2
+ shift 2
+ else
+ usage
+ exit 1
+ fi
+ ;;
+ --with_multipathd)
+ if [ -n "$2" ]; then
+ MULTIPATHD=$2
+ shift 2
+ else
+ usage
+ exit 1
+ fi
+ ;;
+ --outfile)
+ if [ -n "$2" ]; then
+ OUTPUTFILE=$2
+ HAVE_OUTFILE=1
+ shift 2
+ else
+ usage
+ exit 1
+ fi
+ ;;
+ *)
+ usage
+ exit
+ esac
+ done
+}
+
+function validate_args
+{
+ if [ "$ENABLE" = "0" ] && [ -n "$FRIENDLY" -o -n "$FIND" -o -n "$MODULE" ]; then
+ echo "ignoring extra parameters on disable"
+ FRIENDLY=""
+ FIND=""
+ MODULE=""
+ fi
+ if [ -n "$FRIENDLY" ] && [ "$FRIENDLY" != "y" -a "$FRIENDLY" != "n" ]; then
+ echo "--user_friendly_names must be either 'y' or 'n'"
+ exit 1
+ fi
+ if [ -n "$FIND" ] && [ "$FIND" != "y" -a "$FIND" != "n" ]; then
+ echo "--find_multipaths must be either 'y' or 'n'"
+ exit 1
+ fi
+ if [ -z "$ENABLE" -a -z "$FIND" -a -z "$FRIENDLY" ]; then
+ SHOW_STATUS=1
+ fi
+ if [ -n "$MODULE" ] && [ "$MODULE" != "y" -a "$MODULE" != "n" ]; then
+ echo "--with_module must be either 'y' or 'n'"
+ exit 1
+ fi
+ if [ -n "$MULTIPATHD" ] && [ "$MULTIPATHD" != "y" -a "$MULTIPATHD" != "n" ]; then
+ echo "--with_multipathd must be either 'y' or 'n'"
+ exit 1
+ fi
+ if [ "$ENABLE" = 2 -a -z "$HAVE_OUTFILE" ]; then
+ echo "Because --allow makes changes that cannot be automatically reversed,"
+ echo "you must set --outfile when you set --allow"
+ exit 1
+ fi
+}
+
+function add_blacklist_exceptions
+{
+ INDEX=0
+ while [ "$INDEX" -lt "$WWIDS" ] ; do
+ sed -i '/^blacklist_exceptions[[:space:]]*{/ a\
+ wwid '"\"${WWID_LIST[$INDEX]}\""'
+' $TMPFILE
+ ((INDEX++))
+ done
+}
+
+umask 0077
+
+parse_args "$@"
+
+validate_args
+
+if [ ! -d "$MULTIPATHDIR" ]; then
+ echo "/etc/multipath/ does not exist. failing"
+ exit 1
+fi
+
+rm $TMPFILE 2> /dev/null
+echo "$DEFAULT_CONFIG" > $TMPFILE
+if [ -f "$CONFIGFILE" ]; then
+ cp $CONFIGFILE $TMPFILE
+fi
+
+if grep -q "^blacklist[[:space:]]*{" $TMPFILE ; then
+ HAVE_BLACKLIST=1
+fi
+
+if grep -q "^blacklist_exceptions[[:space:]]*{" $TMPFILE ; then
+ HAVE_EXCEPTIONS=1
+fi
+
+if grep -q "^defaults[[:space:]]*{" $TMPFILE ; then
+ HAVE_DEFAULTS=1
+fi
+
+if [ -z "$MODULE" -o "$MODULE" = "y" ]; then
+ if lsmod | grep -q "dm_multipath" ; then
+ HAVE_MODULE=1
+ else
+ HAVE_MODULE=0
+ fi
+fi
+
+if [ "$MULTIPATHD" = "y" ]; then
+ if /bin/systemctl status multipathd.service > /dev/null 2>&1 ; then
+ HAVE_MULTIPATHD=1
+ else
+ HAVE_MULTIPATHD=0
+ fi
+fi
+
+if [ "$HAVE_BLACKLIST" = "1" ]; then
+ if sed -n '/^blacklist[[:space:]]*{/,/^}/ p' $TMPFILE | grep -q "^[[:space:]]*devnode \"\.\?\*\"" ; then
+ HAVE_DISABLE=1
+ elif sed -n '/^blacklist[[:space:]]*{/,/^}/ p' $TMPFILE | grep -q "^[[:space:]]*#[[:space:]]*devnode \"\.\?\*\"" ; then
+ HAVE_DISABLE=0
+ fi
+fi
+
+if [ "$HAVE_BLACKLIST" = "1" ]; then
+ if sed -n '/^blacklist[[:space:]]*{/,/^}/ p' $TMPFILE | grep -q "^[[:space:]]*wwid \"\.\?\*\"" ; then
+ HAVE_WWID_DISABLE=1
+ elif sed -n '/^blacklist[[:space:]]*{/,/^}/ p' $TMPFILE | grep -q "^[[:space:]]*#[[:space:]]*wwid \"\.\?\*\"" ; then
+ HAVE_WWID_DISABLE=0
+ fi
+fi
+
+if [ "$HAVE_DEFAULTS" = "1" ]; then
+ if sed -n '/^defaults[[:space:]]*{/,/^}/ p' $TMPFILE | grep -q "^[[:space:]]*find_multipaths[[:space:]]*\(yes\|1\)" ; then
+ HAVE_FIND=1
+ elif sed -n '/^defaults[[:space:]]*{/,/^}/ p' $TMPFILE | grep -q "^[[:space:]]*find_multipaths[[:space:]]*\(no\|0\)" ; then
+ HAVE_FIND=0
+ fi
+ if sed -n '/^defaults[[:space:]]*{/,/^}/ p' $TMPFILE | grep -q "^[[:space:]]*user_friendly_names[[:space:]]*\(yes\|1\)" ; then
+ HAVE_FRIENDLY=1
+ elif sed -n '/^defaults[[:space:]]*{/,/^}/ p' $TMPFILE | grep -q "^[[:space:]]*user_friendly_names[[:space:]]*\(no\|0\)" ; then
+ HAVE_FRIENDLY=0
+ fi
+fi
+
+if [ -n "$SHOW_STATUS" ]; then
+ if [ -z "$HAVE_DISABLE" -o "$HAVE_DISABLE" = 0 ]; then
+ echo "multipath is enabled"
+ else
+ echo "multipath is disabled"
+ fi
+ if [ -z "$HAVE_FIND" -o "$HAVE_FIND" = 0 ]; then
+ echo "find_multipaths is disabled"
+ else
+ echo "find_multipaths is enabled"
+ fi
+ if [ -z "$HAVE_FRIENDLY" -o "$HAVE_FRIENDLY" = 0 ]; then
+ echo "user_friendly_names is disabled"
+ else
+ echo "user_friendly_names is enabled"
+ fi
+ if [ -n "$HAVE_MODULE" ]; then
+ if [ "$HAVE_MODULE" = 1 ]; then
+ echo "dm_multipath module is loaded"
+ else
+ echo "dm_multipath module is not loaded"
+ fi
+ fi
+ if [ -z "$HAVE_MULTIPATHD" ]; then
+ if /bin/systemctl status multipathd.service > /dev/null 2>&1 ; then
+ HAVE_MULTIPATHD=1
+ else
+ HAVE_MULTIPATHD=0
+ fi
+ fi
+ if [ "$HAVE_MULTIPATHD" = 1 ]; then
+ echo "multipathd is running"
+ else
+ echo "multipathd is not running"
+ fi
+ exit 0
+fi
+
+if [ -z "$HAVE_BLACKLIST" ]; then
+ cat >> $TMPFILE <<- _EOF_
+
+blacklist {
+}
+_EOF_
+fi
+
+if [ -z "$HAVE_DEFAULTS" ]; then
+ cat >> $TMPFILE <<- _EOF_
+
+defaults {
+}
+_EOF_
+fi
+
+if [ "$ENABLE" = 2 ]; then
+ if [ "$HAVE_DISABLE" = 1 ]; then
+ sed -i '/^blacklist[[:space:]]*{/,/^}/ s/^[[:space:]]*devnode \"\.\?\*\"/# devnode ".*"/' $TMPFILE
+ fi
+ if [ -z "$HAVE_WWID_DISABLE" ]; then
+ sed -i '/^blacklist[[:space:]]*{/ a\
+ wwid ".*"
+' $TMPFILE
+ elif [ "$HAVE_WWID_DISABLE" = 0 ]; then
+ sed -i '/^blacklist[[:space:]]*{/,/^}/ s/^[[:space:]]*#[[:space:]]*wwid \"\.\?\*\"/ wwid ".*"/' $TMPFILE
+ fi
+ if [ "$HAVE_EXCEPTIONS" = 1 ]; then
+ sed -i '/^blacklist_exceptions[[:space:]]*{/,/^}/ {/^[[:space:]]*wwid/ d}' $TMPFILE
+ else
+ cat >> $TMPFILE <<- _EOF_
+
+blacklist_exceptions {
+}
+_EOF_
+ fi
+ add_blacklist_exceptions
+elif [ "$ENABLE" = 1 ]; then
+ if [ "$HAVE_DISABLE" = 1 ]; then
+ sed -i '/^blacklist[[:space:]]*{/,/^}/ s/^[[:space:]]*devnode \"\.\?\*\"/# devnode ".*"/' $TMPFILE
+ fi
+elif [ "$ENABLE" = 0 ]; then
+ if [ -z "$HAVE_DISABLE" ]; then
+ sed -i '/^blacklist[[:space:]]*{/ a\
+ devnode ".*"
+' $TMPFILE
+ elif [ "$HAVE_DISABLE" = 0 ]; then
+ sed -i '/^blacklist[[:space:]]*{/,/^}/ s/^[[:space:]]*#[[:space:]]*devnode \"\.\?\*\"/ devnode ".*"/' $TMPFILE
+ fi
+fi
+
+if [ "$FIND" = "n" ]; then
+ if [ "$HAVE_FIND" = 1 ]; then
+ sed -i '/^defaults[[:space:]]*{/,/^}/ s/^[[:space:]]*find_multipaths[[:space:]]*\(yes\|1\)/ find_multipaths no/' $TMPFILE
+ CHANGED_CONFIG=1
+ fi
+elif [ "$FIND" = "y" ]; then
+ if [ -z "$HAVE_FIND" ]; then
+ sed -i '/^defaults[[:space:]]*{/ a\
+ find_multipaths yes
+' $TMPFILE
+ CHANGED_CONFIG=1
+ elif [ "$HAVE_FIND" = 0 ]; then
+ sed -i '/^defaults[[:space:]]*{/,/^}/ s/^[[:space:]]*find_multipaths[[:space:]]*\(no\|0\)/ find_multipaths yes/' $TMPFILE
+ CHANGED_CONFIG=1
+ fi
+fi
+
+if [ "$FRIENDLY" = "n" ]; then
+ if [ "$HAVE_FRIENDLY" = 1 ]; then
+ sed -i '/^defaults[[:space:]]*{/,/^}/ s/^[[:space:]]*user_friendly_names[[:space:]]*\(yes\|1\)/ user_friendly_names no/' $TMPFILE
+ CHANGED_CONFIG=1
+ fi
+elif [ "$FRIENDLY" = "y" ]; then
+ if [ -z "$HAVE_FRIENDLY" ]; then
+ sed -i '/^defaults[[:space:]]*{/ a\
+ user_friendly_names yes
+' $TMPFILE
+ CHANGED_CONFIG=1
+ elif [ "$HAVE_FRIENDLY" = 0 ]; then
+ sed -i '/^defaults[[:space:]]*{/,/^}/ s/^[[:space:]]*user_friendly_names[[:space:]]*\(no\|0\)/ user_friendly_names yes/' $TMPFILE
+ CHANGED_CONFIG=1
+ fi
+fi
+
+if [ -f "$OUTPUTFILE" ]; then
+ cp $OUTPUTFILE $OUTPUTFILE.old
+ if [ $? != 0 ]; then
+ echo "failed to backup old config file, $OUTPUTFILE not updated"
+ exit 1
+ fi
+fi
+
+cp $TMPFILE $OUTPUTFILE
+if [ $? != 0 ]; then
+ echo "failed to copy new config file into place, check $OUTPUTFILE is still OK"
+ exit 1
+fi
+
+rm -f $TMPFILE
+
+if [ "$ENABLE" = 1 ]; then
+ if [ "$HAVE_MODULE" = 0 ]; then
+ modprobe dm_multipath
+ fi
+ if [ "$HAVE_MULTIPATHD" = 0 ]; then
+ systemctl start multipathd.service
+ fi
+elif [ "$ENABLE" = 0 ]; then
+ if [ "$HAVE_MULTIPATHD" = 1 ]; then
+ systemctl stop multipathd.service
+ fi
+elif [ -n "$CHANGED_CONFIG" -a "$HAVE_MULTIPATHD" = 1 ]; then
+ systemctl reload multipathd.service
+fi
diff --git a/multipath/mpathconf.8 b/multipath/mpathconf.8
new file mode 100644
index 0000000..4cd3267
--- /dev/null
+++ b/multipath/mpathconf.8
@@ -0,0 +1,101 @@
+.TH MPATHCONF 8 "June 2010" "" "Linux Administrator's Manual"
+.SH NAME
+mpathconf - A tool for configuring device-mapper-multipath
+.SH SYNOPSIS
+.B mpathconf
+.RB [\| commands \|]
+.RB [\| options \|]
+.SH DESCRIPTION
+.B mpathconf
+is a utility that creates or modifies
+.B /etc/multipath.conf.
+It can enable or disable multipathing and configure some common options.
+.B mpathconf
+can also load the
+.B dm_multipath
+module, start and stop the
+.B multipathd
+daemon, and configure the
+.B multipathd
+service to start automatically or not. If
+.B mpathconf
+is called with no commands, it will display the current configuration.
+
+The default options for mpathconf are
+.B --with_module
+The
+.B --with_multipathd
+option is not set by default. Enabling multipathing will load the
+.B dm_multipath
+module but it will not immediately start it. This is so
+that users can manually edit their config file if necessary, before starting
+.B multipathd.
+
+If
+.B /etc/multipath.conf
+already exists, mpathconf will edit it. If it does not exist, mpathconf will
+create a default file with
+.B user_friendly_names
+and
+.B find_multipaths
+set. To disable these, use the
+.B --user_friendly_names n
+and
+.B --find_multipaths n
+options
+.SH COMMANDS
+.TP
+.B --enable
+Removes any line that blacklists all device nodes from the
+.B /etc/multipath.conf
+blacklist section.
+.TP
+.B --disable
+Adds a line that blacklists all device nodes to the
+.B /etc/multipath.conf
+blacklist section. If no blacklist section exists, it will create one.
+.TP
+.B --user_friendly_name \fP { \fBy\fP | \fBn\fP }
+If set to \fBy\fP, this adds the line
+.B user_friendly_names yes
+to the
+.B /etc/multipath.conf
+defaults section. If set to \fBn\fP, this removes the line, if present. This
+command can be used along with any other command.
+.TP
+.B --find_multipaths\fP { \fBy\fP | \fBn\fP }
+If set to \fBy\fP, this adds the line
+.B find_multipaths yes
+to the
+.B /etc/multipath.conf
+defaults section. If set to \fBn\fP, this removes the line, if present. This
+command can be used aldong with any other command.
+.SH OPTIONS
+.TP
+.B --with_module\fP { \fBy\fP | \fBn\fP }
+If set to \fBy\fP, this runs
+.B modprobe dm_multipath
+to install the multipath modules. This option only works with the
+.B --enable
+command. This option is set to \fBy\fP by default.
+.TP
+.B --with_multipathd { \fBy\fP | \fBn\fP }
+If set to \fBy\fP, this runs
+.B service multipathd start
+to start the multipathd daemon on \fB--enable\fP,
+.B service multipathd stop
+to stop the multipathd daemon on \fB--disable\fP, and
+.B service multipathd reload
+to reconfigure multipathd on \fB--user_frindly_names\fP and
+\fB--find_multipaths\fP.
+This option is set to \fBn\fP by default.
+.SH FILES
+.BR /etc/multipath.conf
+.SH "SEE ALSO"
+.BR multipath.conf (5),
+.BR modprobe (8),
+.BR multipath (8),
+.BR multipathd (8),
+.BR service (8),
+.SH AUTHOR
+Benjamin Marzinski <bmarzins@redhat.com>
--
2.7.4
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