[packages/EMCpower.git] / PowerPath.init

#!/bin/sh
#
# chkconfig:	2345 02 98
# description: Loads and configures the EMC PowerPath drivers.
#
# ###################################################################
# Copyright (c) 2000, EMC Corporation. All Rights Reserved.
#
# Most Recent Author: Raghu Adabala
# Previous Authors: Raghu Adabala and Ed Goggin
#
# Contents:
# Redhat support for load and configure of EMC PowerPath drivers
# ###################################################################
#

# @(#) $Header$

# Source function library.
. /etc/rc.d/init.d/functions


# Functions to preserve exceptional command status return values

rc_reset()
{
    rc_cmd_stat=0
    rc_script_stat=0
}

rc_check()
{
    rc_cmd_stat=$?
    test $rc_cmd_stat -ne 0 && rc_script_stat=$rc_cmd_stat
    return $rc_cmd_stat
}

rc_status()
{
    rc_check

    if [ "$1" = "-v" ]
        then
        case "$rc_script_stat" in
            0)
              ok
              ;;
            *)
              fail
              ;;
        esac
    fi
    return $rc_script_stat
}

rc_exit()
{
    exit $rc_script_stat
}

#
# ###################################################################
# Copyright (c) 2005, EMC Corporation. All Rights Reserved.
#
#
# Contents:
# This scripts loads and configures the EMC PowerPath driver(s) on 
# bootup and uloads PowerPath on shutdown.
# ###################################################################
#

# @(#) $Header$

PATH=/usr/bin/:/bin:/sbin:/usr/sbin

# the following are the internationalization specific lines
TEXTDOMAIN=PowerPath
export TEXTDOMAIN
export RPM_INSTALL_PREFIX
# end of internationalization

pp_stop_lvm()
{
    if test -x /sbin/vgchange -a -x /sbin/vgscan ; then
        open_vol=""
        vgname=`vgdisplay 2>/dev/null| grep "VG Name" | sed -e 's/VG Name/ /g'`
        for i in $vgname
        do
                pv=`vgdisplay -v $i 2>/dev/null| grep "PV Name"  | awk '{ print $3 }' | grep emcpower`
		if [ "$pv" != "" ] ; then
                        err_stop=`/sbin/vgchange -a n $i  2>&1 | grep "open logical volume"`
                        if [ "$err_stop" != "" ]; then
                                if [ "$open_vol" = "" ]; then
										nls "Following LVM volume groups are in use:"
                                        open_vol=$err_stop
                                fi
			var1=$i
			var2=`echo $pv`
                        echo "`nls "      Volume Group: \\$var1 (\\$var2)"`"
                        fi
                fi
        done
    fi
        if [ "$open_vol" != "" ]; then
			nls "These open logical volume devices use LUNs from Powerpath managed devices,"
			nls "Please re-issue the command after closing these volumes."
	return 1
        fi
 return 0
}

pp_start_lvm()
{
   if test -x /sbin/vgchange -a -x /sbin/vgscan ; then
      /sbin/vgscan > /dev/null 2>&1
      /sbin/vgchange -a y > /dev/null 2>&1
      if [ $? -eq 5 ]; then  ## "no volume groups" ==> success
        /bin/true
      fi
   fi
}
# Wait for /dev/emcpower to appear.
# $1 is the number of seconds to wait.

dev_emcpower_is_back()
{
    /bin/bash -c "for ((cnt=$1/3; \$cnt > 0; cnt--)); do \
                      test -c /dev/emcpower && break; \
                      sleep 3; \
                  done; \
                  test -c /dev/emcpower"
}


# Start 32 bit Emulation library before powerpath startup for ia64
start_32bit_emulation()
{
    /etc/init.d/ia32el start  > /dev/null 2>&1
    rc_check

    if rc_status ; then
	nls "\nSuccessfully started 32-bit emulation library"
    else
	nls "\nError in starting 32-bit emulation library"
    fi
}

# Configure PowerPath paths

configure_pp()
{
    if [ -f /etc/emcp_devicesDB.dat ]; then 
        if [ -f /etc/emcp_devicesDB.idx ]; then
            /etc/opt/emcpower/emcpmgr map -p > /dev/null 2>&1
            rc_check
        fi
    fi

    ## If the system has no license, config error is ok.

    if /sbin/emcpreg -l 2>&1 | /usr/bin/grep '^Key' > /dev/null 2>&1; then
        /sbin/powermt config > /dev/null 2>&1
    else
        /sbin/powermt config > /dev/null 2>&1
        /bin/true
    fi
    rc_check

    #
    #  Wait for udev to finish creating emcpower devices
    #
    pdfound=1
    for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
        pdfound=1
    	for pd in `/bin/ls -d /sys/block/emcpower* 2> /dev/null`; do
           bpd=`basename $pd`
           if [ ! -e /dev/$bpd ]; then
              pdfound=0
              sleep 2
              break;
           fi
        done
        if [ "$pdfound" -eq 1 ]; then
	   break
        fi
    done
    if [ "$pdfound" -eq 0 ]; then
       [ 1 = 0 ]
       rc_check
    fi

    /sbin/powermt load		> /dev/null 2>&1
    rc_check
    /etc/opt/emcpower/emcpmgr map	> /dev/null 2>&1
    rc_check
    /etc/opt/emcpower/powercf -C	> /dev/null 2>&1
    /sbin/powermt save		> /dev/null 2>&1
    rc_check
    /sbin/powermt register	> /dev/null 2>&1
    rc_check
    /sbin/powermig transition -startup -noprompt   > /dev/null 2>&1
    rc_check
    pp_start_lvm
}

# Check for naviagent and powermt before stopping PowerPath

ok_to_stop()
{
    ps -C naviagent >> /dev/null
    if [ $? -eq 0 ]; then
	nls "Navisphere agent is running."
        eval echo "$(nls "Please stop the agent and then re-issue \$script_name stop.")"
        return 1
    fi

    ps -C powermt >> /dev/null
    if [ $? -eq 0 ]; then
	nls "The powermt command is running."
		eval echo "$(nls "Please stop powermt and then re-issue \$script_name stop.")"
        return 1
    fi

    mig_info=`/sbin/powermig info -all`
    if [ $? -eq 0 ]; then
        echo "$mig_info" | grep 'No migrations found' > /dev/null
        if test $? -ne 0 ; then 
			nls "PowerPath migrations are present."
			eval echo "$(nls "Please cleanup the migrations and then re-issue \$script_name stop.")"
            return 1
        fi
    fi

    if pp_stop_lvm ; then
        return 0
    fi
    return 1
}

#  Load the extensions.  Dependencies will load base driver.

load_drivers()
{
    for d in `cat $ext; cat $mgr`
    do
        /sbin/modprobe -q -s --first-time $d
        rc_check
        if [ $? -ne 0 ] ; then
            eval echo "$(nls "PowerPath could not load module \$d")"
            break
        fi
    done

    if dev_emcpower_is_back 60; then
        recreate_emcpower_device
        /etc/opt/emcpower/powercf -K        > /dev/null 2>&1
        rc_check
    else
        rc_check
    fi

    if rc_status ; then
        /sbin/modprobe -q -s --first-time emcpioc
        rc_check
        if [ $? -eq 0 ] ; then
            /sbin/modprobe -r -q -s --first-time emcpioc
        fi
    fi
}

# Unload drivers and extensions.

unload_drivers()
{
    do_unload=0
    retry=4
    powermt prep_drv_unload > /dev/null 2>&1


    ###
    ### At this point, we really want the driver unload to succeed
    ### Try hard to make it happen.
    ###
    while [ $retry -gt 0 ]
    do
    powermt remove dev=all 2> /var/tmp/.pp_exit
    devr=$?
    cat /var/tmp/.pp_exit | grep "not found" > /dev/null 2>&1
    cdevs=$?
    zerolen=`cat /var/tmp/.pp_exit | wc -c`
    rm /var/tmp/.pp_exit
    # reset rc status since we are not willing to
    # report an error just yet.
    rc_reset
    if [ $devr -eq 0 ] ; then
         do_unload=1
	 retry=0 #success
    else
         if [ $cdevs -eq 0 -o $zerolen -eq 0 ] ; then
            do_unload=1
	    retry=0 #success
         else
	    sleep 5
	    retry=`expr $retry - 1`
	    #nls "PowerPath devices are open."
	    #eval echo "$(nls "Please close these devices and then re-issue \$script_name stop.")"
            #/bin/false
    	    #uerr=$?
            #return $uerr
         fi
    fi
    done


    if [ $do_unload -eq 1 ] ; then
       /sbin/modprobe -r -q -s  `cat $mgr; cat $ext; echo emcp emcplib`
       uerr=$?
       return $uerr
    else
       nls "PowerPath devices are open."
       eval echo "$(nls "Please close these devices and then re-issue \$script_name stop.")"
       /bin/false
       uerr=$?
       return $uerr
    fi

    nls "PowerPath could not unload PowerPath modules."
    uerr=1
    return $uerr
}

recreate_emcpower_device()
{
    #
    # Create /dev/emcpower based on CURRENT misc driver.
    # These values can be different when PP loads from RD.
    #
    mmaj=`awk -F: '{print $1}' /sys/class/misc/emcpower/dev`
    mmin=`awk -F: '{print $2}' /sys/class/misc/emcpower/dev`
    rm -f /dev/emcpower
    mknod /dev/emcpower c $mmaj $mmin

    if [ $? -ne 0 ]; then
        nls "failed to create emcpower device"
    fi

}

rc_reset
script_name=PowerPath
ext=/etc/emc/.drivers_ext
mgr=/etc/emc/.drivers_mgr

case "$1" in
    start)
        msg_starting "PowerPath"

        ###
        # Start the 32-bit emulation for ia64
        ###
        #if [ "`uname -m`" == "ia64" ]; then
         #   start_32bit_emulation
        #fi

        ###
        # Load PP iff it is not already loaded.
        ###
        if rc_status ; then
            lsmod | grep -w '^emcp' > /dev/null
            if [ $? -ne 0 ]; then
                load_drivers
        else
                if dev_emcpower_is_back 60; then
                    recreate_emcpower_device
                    /etc/opt/emcpower/powercf -K        > /dev/null 2>&1
                    rc_check
                else
                    rc_check
                fi
            # remove PIOC if it was loaded during RD boot.
                lsmod | grep emcpioc > /dev/null
            if [ $? -eq 0 ]; then
                /sbin/rmmod emcpioc > /dev/null
                fi
            fi

            if rc_status ; then
                if dev_emcpower_is_back 60; then
                    configure_pp
                else
                    rc_check
                fi
            else
                nls "PowerPath: unable to load PowerPath modules."
            fi
        fi
        rc_status -v
        ;;

    stop)
        msg_stopping "PowerPath"
        lsmod | grep -w '^emcp' > /dev/null
        if test $? -ne 0; then
            nls "PowerPath is not running"
        else
            #
            # Tresspass can happen if new devices are added or some devices 
            # are removed by "powermt remove" before "PowerPath stop". The 
            # reason is that vgscan used by us issues "read" to all block 
            # devices. 
            # We configure all devices to avoid unnecessary trespass.
            #
            /sbin/powermt config > /dev/null 2>&1
            if ok_to_stop; then
                /sbin/powermt save > /dev/null 2>&1
                rc_check
                /etc/opt/emcpower/emcpmgr unmap > /dev/null 2>&1
                rc_check
                /sbin/powermt remove dev=all 2> /var/tmp/.pp_exit
                devr=$?
                cat /var/tmp/.pp_exit | grep "not found" > /dev/null 2>&1
                cdevs=$?
                zerolen=`cat /var/tmp/.pp_exit | wc -c`
                rm /var/tmp/.pp_exit

		# reset rc status since we are not willing to quit
		rc_reset
                if [ $devr -eq 0 ] ; then
                    unload_drivers
                    rc_check
                    if [ $? -ne 0 ] ; then
						nls "PowerPath could not unload PowerPath modules."
                    fi
                else
                    if [ $cdevs -eq 0 -o $zerolen -eq 0 ] ; then
                        unload_drivers
                        rc_check
                        if [ $? -ne 0 ] ; then
                            nls "PowerPath could not unload PowerPath modules."
                        fi
                    else
                        nls "PowerPath devices are open."
                        eval echo "$(nls "Please close these devices and then re-issue \$script_name stop.")"
                        /etc/opt/emcpower/emcpmgr map -p > /dev/null 2>&1
                        /sbin/powermt config 	> /dev/null 2>&1
						/sbin/powermt load	> /dev/null 2>&1
                        /bin/false
                    fi
                fi
            else
                /bin/false  ## not ok_to_stop
            fi
        fi
        rc_status -v
        ;;
    *)
        msg_usage "$0 {start|stop}"
        exit 3
	;;
esac

rc_exit
# vim:ts=4:sw=4:et
Commit	Line	Data
1f5c2a50 ER	1	#!/bin/sh
	2	#
	3	# chkconfig: 2345 02 98
	4	# description: Loads and configures the EMC PowerPath drivers.
	5	#
	6	# ###################################################################
	7	# Copyright (c) 2000, EMC Corporation. All Rights Reserved.
	8	#
	9	# Most Recent Author: Raghu Adabala
	10	# Previous Authors: Raghu Adabala and Ed Goggin
	11	#
	12	# Contents:
	13	# Redhat support for load and configure of EMC PowerPath drivers
	14	# ###################################################################
	15	#
	16
	17	# @(#) $Header$
	18
	19	# Source function library.
	20	. /etc/rc.d/init.d/functions
	21
	22
	23	# Functions to preserve exceptional command status return values
	24
	25	rc_reset()
	26	{
	27	rc_cmd_stat=0
	28	rc_script_stat=0
	29	}
	30
	31	rc_check()
	32	{
	33	rc_cmd_stat=$?
	34	test $rc_cmd_stat -ne 0 && rc_script_stat=$rc_cmd_stat
	35	return $rc_cmd_stat
	36	}
	37
	38	rc_status()
	39	{
	40	rc_check
	41
	42	if [ "$1" = "-v" ]
	43	then
	44	case "$rc_script_stat" in
	45	0)
	46	ok
	47	;;
	48	*)
	49	fail
	50	;;
	51	esac
	52	fi
	53	return $rc_script_stat
	54	}
	55
	56	rc_exit()
	57	{
	58	exit $rc_script_stat
	59	}
	60
	61	#
	62	# ###################################################################
	63	# Copyright (c) 2005, EMC Corporation. All Rights Reserved.
	64	#
65	#
66	# Contents:
67	# This scripts loads and configures the EMC PowerPath driver(s) on
68	# bootup and uloads PowerPath on shutdown.
69	# ###################################################################
70	#
71
72	# @(#) $Header$
73
74	PATH=/usr/bin/:/bin:/sbin:/usr/sbin
75
76	# the following are the internationalization specific lines
77	TEXTDOMAIN=PowerPath
78	export TEXTDOMAIN
79	export RPM_INSTALL_PREFIX
80	# end of internationalization
81
82	pp_stop_lvm()
83	{
84	if test -x /sbin/vgchange -a -x /sbin/vgscan ; then
85	open_vol=""
86	vgname=`vgdisplay 2>/dev/null\| grep "VG Name" \| sed -e 's/VG Name/ /g'`
87	for i in $vgname
88	do
89	pv=`vgdisplay -v $i 2>/dev/null\| grep "PV Name" \| awk '{ print $3 }' \| grep emcpower`
90	if [ "$pv" != "" ] ; then
91	err_stop=`/sbin/vgchange -a n $i 2>&1 \| grep "open logical volume"`
92	if [ "$err_stop" != "" ]; then
93	if [ "$open_vol" = "" ]; then
94	nls "Following LVM volume groups are in use:"
95	open_vol=$err_stop
96	fi
97	var1=$i
98	var2=`echo $pv`
99	echo "`nls " Volume Group: \\$var1 (\\$var2)"`"
100	fi
101	fi
102	done
103	fi
104	if [ "$open_vol" != "" ]; then
105	nls "These open logical volume devices use LUNs from Powerpath managed devices,"
106	nls "Please re-issue the command after closing these volumes."
107	return 1
108	fi
109	return 0
110	}
111
112	pp_start_lvm()
113	{
114	if test -x /sbin/vgchange -a -x /sbin/vgscan ; then
115	/sbin/vgscan > /dev/null 2>&1
116	/sbin/vgchange -a y > /dev/null 2>&1
117	if [ $? -eq 5 ]; then ## "no volume groups" ==> success
118	/bin/true
119	fi
120	fi
121	}
122	# Wait for /dev/emcpower to appear.
123	# $1 is the number of seconds to wait.
124
125	dev_emcpower_is_back()
126	{
127	/bin/bash -c "for ((cnt=$1/3; \$cnt > 0; cnt--)); do \
128	test -c /dev/emcpower && break; \
129	sleep 3; \
130	done; \
131	test -c /dev/emcpower"
132	}
133
134
135	# Start 32 bit Emulation library before powerpath startup for ia64
136	start_32bit_emulation()
137	{
138	/etc/init.d/ia32el start > /dev/null 2>&1
139	rc_check
140
141	if rc_status ; then
142	nls "\nSuccessfully started 32-bit emulation library"
143	else
144	nls "\nError in starting 32-bit emulation library"
145	fi
146	}
147
148	# Configure PowerPath paths
149
150	configure_pp()
151	{
152	if [ -f /etc/emcp_devicesDB.dat ]; then
153	if [ -f /etc/emcp_devicesDB.idx ]; then
591959e1	154	/etc/opt/emcpower/emcpmgr map -p > /dev/null 2>&1
1f5c2a50 ER	155	rc_check
	156	fi
	157	fi
	158
	159	## If the system has no license, config error is ok.
	160
	161	if /sbin/emcpreg -l 2>&1 \| /usr/bin/grep '^Key' > /dev/null 2>&1; then
	162	/sbin/powermt config > /dev/null 2>&1
	163	else
	164	/sbin/powermt config > /dev/null 2>&1
	165	/bin/true
	166	fi
	167	rc_check
	168
	169	#
	170	# Wait for udev to finish creating emcpower devices
	171	#
	172	pdfound=1
	173	for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
	174	pdfound=1
	175	for pd in `/bin/ls -d /sys/block/emcpower* 2> /dev/null`; do
	176	bpd=`basename $pd`
	177	if [ ! -e /dev/$bpd ]; then
	178	pdfound=0
	179	sleep 2
	180	break;
	181	fi
	182	done
	183	if [ "$pdfound" -eq 1 ]; then
	184	break
	185	fi
	186	done
	187	if [ "$pdfound" -eq 0 ]; then
	188	[ 1 = 0 ]
	189	rc_check
	190	fi
	191
	192	/sbin/powermt load > /dev/null 2>&1
	193	rc_check
591959e1	194	/etc/opt/emcpower/emcpmgr map > /dev/null 2>&1
1f5c2a50	195	rc_check
591959e1	196	/etc/opt/emcpower/powercf -C > /dev/null 2>&1
1f5c2a50 ER	197	/sbin/powermt save > /dev/null 2>&1
	198	rc_check
	199	/sbin/powermt register > /dev/null 2>&1
	200	rc_check
	201	/sbin/powermig transition -startup -noprompt > /dev/null 2>&1
	202	rc_check
	203	pp_start_lvm
	204	}
	205
	206	# Check for naviagent and powermt before stopping PowerPath
	207
	208	ok_to_stop()
	209	{
	210	ps -C naviagent >> /dev/null
	211	if [ $? -eq 0 ]; then
	212	nls "Navisphere agent is running."
	213	eval echo "$(nls "Please stop the agent and then re-issue \$script_name stop.")"
	214	return 1
	215	fi
	216
	217	ps -C powermt >> /dev/null
	218	if [ $? -eq 0 ]; then
	219	nls "The powermt command is running."
	220	eval echo "$(nls "Please stop powermt and then re-issue \$script_name stop.")"
	221	return 1
	222	fi
	223
	224	mig_info=`/sbin/powermig info -all`
	225	if [ $? -eq 0 ]; then
	226	echo "$mig_info" \| grep 'No migrations found' > /dev/null
	227	if test $? -ne 0 ; then
	228	nls "PowerPath migrations are present."
	229	eval echo "$(nls "Please cleanup the migrations and then re-issue \$script_name stop.")"
	230	return 1
	231	fi
	232	fi
	233
	234	if pp_stop_lvm ; then
	235	return 0
	236	fi
	237	return 1
	238	}
	239
	240	# Load the extensions. Dependencies will load base driver.
	241
	242	load_drivers()
	243	{
	244	for d in `cat $ext; cat $mgr`
	245	do
	246	/sbin/modprobe -q -s --first-time $d
	247	rc_check
	248	if [ $? -ne 0 ] ; then
	249	eval echo "$(nls "PowerPath could not load module \$d")"
	250	break
	251	fi
	252	done
	253
	254	if dev_emcpower_is_back 60; then
	255	recreate_emcpower_device
591959e1	256	/etc/opt/emcpower/powercf -K > /dev/null 2>&1
1f5c2a50 ER	257	rc_check
	258	else
	259	rc_check
1f5c2a50 ER	260	fi
	261
	262	if rc_status ; then
	263	/sbin/modprobe -q -s --first-time emcpioc
	264	rc_check
	265	if [ $? -eq 0 ] ; then
	266	/sbin/modprobe -r -q -s --first-time emcpioc
	267	fi
	268	fi
	269	}
	270
	271	# Unload drivers and extensions.
	272
	273	unload_drivers()
	274	{
	275	do_unload=0
	276	retry=4
	277	powermt prep_drv_unload > /dev/null 2>&1
	278
	279
	280	###
	281	### At this point, we really want the driver unload to succeed
	282	### Try hard to make it happen.
	283	###
	284	while [ $retry -gt 0 ]
	285	do
	286	powermt remove dev=all 2> /var/tmp/.pp_exit
	287	devr=$?
	288	cat /var/tmp/.pp_exit \| grep "not found" > /dev/null 2>&1
	289	cdevs=$?
	290	zerolen=`cat /var/tmp/.pp_exit \| wc -c`
	291	rm /var/tmp/.pp_exit
	292	# reset rc status since we are not willing to
	293	# report an error just yet.
	294	rc_reset
	295	if [ $devr -eq 0 ] ; then
	296	do_unload=1
	297	retry=0 #success
	298	else
	299	if [ $cdevs -eq 0 -o $zerolen -eq 0 ] ; then
	300	do_unload=1
	301	retry=0 #success
	302	else
	303	sleep 5
	304	retry=`expr $retry - 1`
	305	#nls "PowerPath devices are open."
	306	#eval echo "$(nls "Please close these devices and then re-issue \$script_name stop.")"
	307	#/bin/false
	308	#uerr=$?
	309	#return $uerr
	310	fi
	311	fi
	312	done
	313
	314
	315
	316	if [ $do_unload -eq 1 ] ; then
	317	/sbin/modprobe -r -q -s `cat $mgr; cat $ext; echo emcp emcplib`
	318	uerr=$?
	319	return $uerr
	320	else
	321	nls "PowerPath devices are open."
	322	eval echo "$(nls "Please close these devices and then re-issue \$script_name stop.")"
	323	/bin/false
324	uerr=$?
325	return $uerr
326	fi
327
328	nls "PowerPath could not unload PowerPath modules."
329	uerr=1
330	return $uerr
331	}
332
333	recreate_emcpower_device()
334	{
335	#
336	# Create /dev/emcpower based on CURRENT misc driver.
337	# These values can be different when PP loads from RD.
338	#
7730ef05 ER	339	mmaj=`awk -F: '{print $1}' /sys/class/misc/emcpower/dev`
7730ef05 ER	340	mmin=`awk -F: '{print $2}' /sys/class/misc/emcpower/dev`
1f5c2a50	341	rm -f /dev/emcpower
7730ef05	342	mknod /dev/emcpower c $mmaj $mmin
1f5c2a50 ER	343
	344	if [ $? -ne 0 ]; then
	345	nls "failed to create emcpower device"
	346	fi
	347
	348	}
	349
	350	rc_reset
	351	script_name=PowerPath
	352	ext=/etc/emc/.drivers_ext
	353	mgr=/etc/emc/.drivers_mgr
	354
	355	case "$1" in
	356	start)
	357	msg_starting "PowerPath"
	358
	359	###
	360	# Start the 32-bit emulation for ia64
	361	###
	362	#if [ "`uname -m`" == "ia64" ]; then
	363	# start_32bit_emulation
	364	#fi
	365
	366	###
	367	# Load PP iff it is not already loaded.
	368	###
	369	if rc_status ; then
	370	lsmod \| grep -w '^emcp' > /dev/null
	371	if [ $? -ne 0 ]; then
	372	load_drivers
	373	else
	374	if dev_emcpower_is_back 60; then
	375	recreate_emcpower_device
591959e1	376	/etc/opt/emcpower/powercf -K > /dev/null 2>&1
1f5c2a50 ER	377	rc_check
	378	else
	379	rc_check
1f5c2a50 ER	380	fi
	381	# remove PIOC if it was loaded during RD boot.
	382	lsmod \| grep emcpioc > /dev/null
	383	if [ $? -eq 0 ]; then
	384	/sbin/rmmod emcpioc > /dev/null
	385	fi
	386	fi
	387
	388	if rc_status ; then
	389	if dev_emcpower_is_back 60; then
	390	configure_pp
	391	else
	392	rc_check
1f5c2a50 ER	393	fi
	394	else
	395	nls "PowerPath: unable to load PowerPath modules."
1f5c2a50 ER	396	fi
	397	fi
	398	rc_status -v
	399	;;
	400
	401	stop)
	402	msg_stopping "PowerPath"
	403	lsmod \| grep -w '^emcp' > /dev/null
	404	if test $? -ne 0; then
	405	nls "PowerPath is not running"
	406	else
	407	#
	408	# Tresspass can happen if new devices are added or some devices
	409	# are removed by "powermt remove" before "PowerPath stop". The
	410	# reason is that vgscan used by us issues "read" to all block
	411	# devices.
	412	# We configure all devices to avoid unnecessary trespass.
	413	#
	414	/sbin/powermt config > /dev/null 2>&1
	415	if ok_to_stop; then
	416	/sbin/powermt save > /dev/null 2>&1
	417	rc_check
591959e1	418	/etc/opt/emcpower/emcpmgr unmap > /dev/null 2>&1
1f5c2a50 ER	419	rc_check
	420	/sbin/powermt remove dev=all 2> /var/tmp/.pp_exit
	421	devr=$?
	422	cat /var/tmp/.pp_exit \| grep "not found" > /dev/null 2>&1
	423	cdevs=$?
	424	zerolen=`cat /var/tmp/.pp_exit \| wc -c`
	425	rm /var/tmp/.pp_exit
	426
	427	# reset rc status since we are not willing to quit
	428	rc_reset
	429	if [ $devr -eq 0 ] ; then
	430	unload_drivers
	431	rc_check
	432	if [ $? -ne 0 ] ; then
	433	nls "PowerPath could not unload PowerPath modules."
	434	fi
	435	else
	436	if [ $cdevs -eq 0 -o $zerolen -eq 0 ] ; then
	437	unload_drivers
	438	rc_check
	439	if [ $? -ne 0 ] ; then
	440	nls "PowerPath could not unload PowerPath modules."
	441	fi
	442	else
	443	nls "PowerPath devices are open."
	444	eval echo "$(nls "Please close these devices and then re-issue \$script_name stop.")"
591959e1	445	/etc/opt/emcpower/emcpmgr map -p > /dev/null 2>&1
1f5c2a50 ER	446	/sbin/powermt config > /dev/null 2>&1
	447	/sbin/powermt load > /dev/null 2>&1
	448	/bin/false
	449	fi
	450	fi
	451	else
	452	/bin/false ## not ok_to_stop
	453	fi
	454	fi
	455	rc_status -v
	456	;;
	457	*)
	458	msg_usage "$0 {start\|stop}"
	459	exit 3
	460	;;
	461	esac
	462
	463	rc_exit
	464	# vim:ts=4:sw=4:et