X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Ftests%2Finsanity.sh;h=32701f94d25d77eca6304d602af53e2efa6f0c3b;hb=20dfdeda5ea3f679b68c4a9fb6924c90a0a79cac;hp=1838cea7907775d8611aa6f4609d6e15a4f2f3e9;hpb=c190866d0098b4c4d653168bcf3f7094b4ac7abd;p=fs%2Flustre-release.git

diff --git a/lustre/tests/insanity.sh b/lustre/tests/insanity.sh
index 1838cea..32701f9 100755
--- a/lustre/tests/insanity.sh
+++ b/lustre/tests/insanity.sh
@@ -1,4 +1,7 @@
-#!/bin/sh
+#!/bin/bash
+# -*- mode: Bash; tab-width: 4; indent-tabs-mode: t; -*-
+# vim:shiftwidth=4:softtabstop=4:tabstop=4:
+#
 # Test multiple failures, AKA Test 17
 
 set -e
@@ -8,20 +11,40 @@ LUSTRE=${LUSTRE:-`dirname $0`/..}
 
 init_test_env $@
 
-. ${CONFIG:=$LUSTRE/tests/cfg/insanity-local.sh}
+. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
+init_logging
+#              
+ALWAYS_EXCEPT="15  $INSANITY_EXCEPT"
 
-ALWAYS_EXCEPT="10"
+if [ "$FAILURE_MODE" = "HARD" ]; then
+	skip_env "$TESTSUITE: is not functional with FAILURE_MODE = HARD, " \
+		"please use recovery-double-scale, bz20407"
+	exit 0
+fi
+
+[ "$SLOW" = "no" ] && EXCEPT_SLOW=""
+
+SETUP=${SETUP:-""}
+CLEANUP=${CLEANUP:-""}
 
 build_test_filter
 
-assert_env mds_HOST ost1_HOST ost2_HOST client_HOST LIVE_CLIENT 
+SINGLECLIENT=${SINGLECLIENT:-$HOSTNAME}
+LIVE_CLIENT=${LIVE_CLIENT:-$SINGLECLIENT}
+FAIL_CLIENTS=${FAIL_CLIENTS:-$RCLIENTS}
+
+assert_env mds_HOST MDSCOUNT
+assert_env ost_HOST OSTCOUNT
+assert_env LIVE_CLIENT FSNAME
 
-# This can be a regexp, to allow more clients
-CLIENTS=${CLIENTS:-"`comma_list $LIVE_CLIENT $FAIL_CLIENTS`"}
+require_dsh_mds || exit 0
+require_dsh_ost || exit 0
 
-CLIENTLIST="$LIVE_CLIENT $FAIL_CLIENTS"
+# FAIL_CLIENTS list should not contain the LIVE_CLIENT
+FAIL_CLIENTS=$(echo " $FAIL_CLIENTS " | sed -re "s/\s+$LIVE_CLIENT\s+/ /g")
 
 DIR=${DIR:-$MOUNT}
+TESTDIR=$DIR/d0.$TESTSUITE
 
 #####
 # fail clients round robin
@@ -30,211 +53,216 @@ DIR=${DIR:-$MOUNT}
 FAIL_LIST=($FAIL_CLIENTS)
 FAIL_NUM=${#FAIL_LIST[*]}
 FAIL_NEXT=0
+typeset -i  FAIL_NEXT
 DOWN_NUM=0   # number of nodes currently down
 
-# return next client to fail
-fail_client() {
-    ret=${FAIL_LIST[$FAIL_NEXT]}
+# set next client to fail
+set_fail_client() {
+    FAIL_CLIENT=${FAIL_LIST[$FAIL_NEXT]}
     FAIL_NEXT=$(( (FAIL_NEXT+1) % FAIL_NUM ))
-    echo $ret
-}
-
-shutdown_client() {
-    client=$1
-    if [ "$FAILURE_MODE" = HARD ]; then
-       $POWER_DOWN $client
-    elif [ "$FAILURE_MODE" = SOFT ]; then
-       $PDSH $client $LCONF --clenaup --force --nomod $XMLCONFIG
-    fi
-}
-
-reboot_node() {
-    NODE=$1
-    if [ "$FAILURE_MODE" = HARD ]; then
-       $POWER_UP $NODE
-    fi
+    echo "fail $FAIL_CLIENT, next is $FAIL_NEXT"
 }
 
 fail_clients() {
-    num=$1
-    if [ -z "$num"  ] || [ "$num" -gt $((FAIL_NUM - DOWN_NUM)) ]; then
-	num=$((FAIL_NUM - DOWN_NUM)) 
-    fi
+	num=$1
+
+	log "Request fail clients: $num, to fail: $FAIL_NUM, failed: $DOWN_NUM"
+	if [ -z "$num"  ] || [ "$num" -gt $((FAIL_NUM - DOWN_NUM)) ]; then
+		num=$((FAIL_NUM - DOWN_NUM))
+	fi
     
     if [ -z "$num" ] || [ "$num" -le 0 ]; then
+        log "No clients failed!"
         return
     fi
 
+    client_mkdirs
+
     for i in `seq $num`; do
-       client=`fail_client`
+       set_fail_client
+       client=$FAIL_CLIENT
        DOWN_CLIENTS="$DOWN_CLIENTS $client"
-       client_mkdirs
        shutdown_client $client
     done
 
-    for client in $DOWN_CLIENTS; do
-	reboot_node $client
-    done
-    DOWN_NUM=`echo $DOWN_CLIENTS | wc -w`
-    $PDSH $LIVE_CLIENT "cd $MOUNT && rmdir $CLIENTLIST"
+    echo "down clients: $DOWN_CLIENTS"
+
+	for client in $DOWN_CLIENTS; do
+		boot_node $client
+	done
+	DOWN_NUM=`echo $DOWN_CLIENTS | wc -w`
+	client_rmdirs
 }
 
 reintegrate_clients() {
-    for client in $DOWN_CLIENTS; do
-	wait_for_host $client
-	$PDSH $client "$LCONF --node client --select mds_svc=`facet_active mds` $CLIENTOPTS $XMLCONFIG"
-    done
-    DOWN_CLIENTS=""
-    DOWN_NUM=0
+	for client in $DOWN_CLIENTS; do
+		wait_for_host $client
+		echo "Restarting $client"
+		zconf_mount $client $MOUNT || return 1
+	done
+
+	DOWN_CLIENTS=""
+	DOWN_NUM=0
 }
 
-gen_config() {
-    rm -f $XMLCONFIG
-    add_mds mds --dev $MDSDEV --size $MDSSIZE
-
-    if [ ! -z "$mdsfailover_HOST" ]; then
-	 add_mdsfailover mds --dev $MDSDEV --size $MDSSIZE
-    fi
-
-    add_lov lov1 mds --stripe_sz $STRIPE_BYTES\
-	--stripe_cnt $STRIPES_PER_OBJ --stripe_pattern 0
-    add_ost ost1 --lov lov1 --dev $OSTDEV --size $OSTSIZE
-    add_ost ost2 --lov lov1 --dev ${OSTDEV}-2 --size $OSTSIZE
-    add_client client mds --lov lov1 --path $MOUNT
+start_ost() {
+	start ost$1 `ostdevname $1` $OST_MOUNT_OPTS
 }
 
-setup() {
-    wait_for ost1
-    start ost1 ${REFORMAT} $OSTLCONFARGS 
-    wait_for ost2
-    start ost2 ${REFORMAT} $OSTLCONFARGS 
-    [ "$DAEMONFILE" ] && $LCTL debug_daemon start $DAEMONFILE $DAEMONSIZE
-    wait_for mds
-    start mds $MDSLCONFARGS ${REFORMAT}
-    while ! do_node $HOST "$CHECKSTAT -t dir $LUSTRE"; do sleep 5; done
-    do_node $CLIENTS lconf --node client_facet \
-	--select mds_service=$ACTIVEMDS $XMLCONFIG
+start_mdt() {
+	start mds$1 $(mdsdevname $1) $MDS_MOUNT_OPTS
 }
 
-cleanup() {
-    # make sure we are using the primary MDS, so the config log will
-    # be able to clean up properly.
-    activemds=`facet_active mds`
-#    if [ $activemds != "mds" ]; then
-#        fail mds
-#    fi
-    for node in $CLIENTS; do
-	do_node $node lconf ${FORCE} --select mds_svc=${activemds}_facet --cleanup --node client_facet $XMLCONFIG || true
-    done
+trap exit INT
 
-    stop mds ${FORCE} $MDSLCONFARGS
-    stop ost1 ${FORCE}
-    stop ost2 ${FORCE} --dump cleanup.log
+client_touch() {
+	file=$1
+	for c in $LIVE_CLIENT $FAIL_CLIENTS; do
+		echo $DOWN_CLIENTS | grep -q $c && continue
+		$PDSH $c touch $TESTDIR/${c}_$file || return 1
+	done
 }
 
-trap exit INT
+client_rm() {
+	file=$1
+	for c in $LIVE_CLIENT $FAIL_CLIENTS; do
+		$PDSH $c rm $TESTDIR/${c}_$file
+	done
+}
 
 client_mkdirs() {
-   $PDSH $CLIENTS "mkdir $MOUNT/\`hostname\`; ls $MOUNT/\`hostname\` > /dev/null"
+	for c in $LIVE_CLIENT $FAIL_CLIENTS; do
+		echo "$c mkdir $TESTDIR/$c"
+		$PDSH $c "mkdir $TESTDIR/$c && ls -l $TESTDIR/$c"
+	done
+}
+
+client_rmdirs() {
+	for c in $LIVE_CLIENT $FAIL_CLIENTS; do
+		echo "rmdir $TESTDIR/$c"
+		$PDSH $LIVE_CLIENT "rmdir $TESTDIR/$c"
+	done
 }
 
 clients_recover_osts() {
     facet=$1
-    $PDSH $CLIENTS "$LCTL "'--device %OSC_`hostname`_'"${facet}_svc_MNT_client_facet recover"
+#    do_node $CLIENTS "$LCTL "'--device %OSC_`hostname`_'"${facet}_svc_MNT_client_facet recover"
 }
 
-if [ "$ONLY" == "cleanup" ]; then
-    cleanup
-    exit
-fi
-
-gen_config
-setup
+check_and_setup_lustre
 
-if [ "$ONLY" == "setup" ]; then
-    exit 0
-fi
+rm -rf $TESTDIR
+mkdir -p $TESTDIR
 
 # 9 Different Failure Modes Combinations
 echo "Starting Test 17 at `date`"
 
 test_0() {
-    echo "Failover MDS"
-    facet_failover mds
-    wait $DFPID || return 1
+	for i in $(seq $MDSCOUNT) ; do
+		fail mds$i
+	done
 
-    echo "Failing OST1"
-    facet_failover ost1
-    wait $DFPID || return 2
-
-    echo "Failing OST2"
-    facet_failover ost2
-    wait $DFPID || return 3
+    for i in $(seq $OSTCOUNT) ; do
+        fail ost$i
+    done
     return 0
 }
 run_test 0 "Fail all nodes, independently"
 
 ############### First Failure Mode ###############
 test_1() {
-echo "Don't do a MDS - MDS Failure Case"
-echo "This makes no sense"
-# FIXME every test makes sense
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+
+	clients_up
+
+	shutdown_facet mds1
+	reboot_facet mds1
+
+	# prepare for MDS failover
+	change_active mds1
+	reboot_facet mds1
+
+	clients_up &
+	DFPID=$!
+	sleep 5
+
+	shutdown_facet mds2
+
+	echo "Reintegrating MDS2"
+	reboot_facet mds2
+	wait_for_facet mds2
+	start_mdt 2 || return 2
+
+	wait_for_facet mds1
+	start_mdt 1 || return $?
+
+	#Check FS
+	wait $DFPID
+	echo "Verify reintegration"
+	clients_up || return 1
 }
 run_test 1 "MDS/MDS failure"
 ###################################################
 
 ############### Second Failure Mode ###############
 test_2() {
-    echo "Verify Lustre filesystem is up and running"
-    client_df
+	echo "Verify Lustre filesystem is up and running"
+	[ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+	[ "$(facet_fstype ost1)" = "zfs" ] &&
+		skip "LU-2059: no local config for ZFS OSTs" && return
 
-    echo "Failing MDS"
-    shutdown_facet mds
-    reboot_facet mds
+    clients_up
 
-    # prepare for MDS failover
-    change_active mds
-    reboot_facet mds
+	for i in $(seq $MDSCOUNT) ; do
+		shutdown_facet mds$i
+		reboot_facet mds$i
 
-    client_df &
+		# prepare for MDS failover
+		change_active mds$i
+		reboot_facet mds$i
+	done
+
+    clients_up &
     DFPID=$!
     sleep 5
 
-    echo "Failing OST"
     shutdown_facet ost1
 
     echo "Reintegrating OST"
     reboot_facet ost1
-    wait_for ost1
-    start ost1
+    wait_for_facet ost1
+    start_ost 1 || return 2
 
-    echo "Failover MDS"
-    wait_for mds
-    start mds
+	for i in $(seq $MDSCOUNT) ; do
+		wait_for_facet mds$i
+		start_mdt $i || return $?
+	done
 
     #Check FS
     wait $DFPID
     clients_recover_osts ost1
     echo "Verify reintegration"
-    client_df || return 1
+    clients_up || return 1
 
 }
 run_test 2 "Second Failure Mode: MDS/OST `date`"
 ###################################################
 
-
 ############### Third Failure Mode ###############
 test_3() {
     #Create files
     echo "Verify Lustre filesystem is up and running"
-    
+    [ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
     #MDS Portion
-    facet_failover mds
-    wait $DFPID || echo df failed: $?
+	for i in $(seq $MDSCOUNT) ; do
+		fail mds$i
+	done
     #Check FS
 
     echo "Test Lustre stability after MDS failover"
-    client_df
+    clients_up
 
     #CLIENT Portion
     echo "Failing 2 CLIENTS"
@@ -242,98 +270,114 @@ test_3() {
     
     #Check FS
     echo "Test Lustre stability after CLIENT failure"
-    client_df
+    clients_up
     
     #Reintegration
     echo "Reintegrating CLIENTS"
-    reintegrate_clients
+    reintegrate_clients || return 1
 
-    client_df || return 1
+    clients_up || return 3
+    sleep 2 # give it a little time for fully recovered before next test
 }
 run_test 3  "Thirdb Failure Mode: MDS/CLIENT `date`"
 ###################################################
 
 ############### Fourth Failure Mode ###############
 test_4() {
-    echo "Fourth Failure Mode: OST/MDS `date`"
+	echo "Fourth Failure Mode: OST/MDS `date`"
+
+	[ "$(facet_fstype ost1)" = "zfs" ] &&
+		skip "LU-2059: no local config for ZFS OSTs" && return
 
     #OST Portion
-    echo "Failing OST ost1"
     shutdown_facet ost1
- 
+
     #Check FS
     echo "Test Lustre stability after OST failure"
-    client_df
+    clients_up &
+    DFPIDA=$!
+    sleep 5
 
-    #MDS Portion
-    echo "Failing MDS"
-    shutdown_facet mds
-    reboot_facet mds
+	for i in $(seq $MDSCOUNT) ; do
+    		shutdown_facet mds$i
+		reboot_facet mds$i
 
-    # prepare for MDS failover
-    change_active mds
-    reboot_facet mds
+		# prepare for MDS failover
+		change_active mds$i
+		reboot_facet mds$i
+	done
 
-    client_df &
-    DFPID=$!
+    clients_up &
+    DFPIDB=$!
     sleep 5
 
     #Reintegration
     echo "Reintegrating OST"
     reboot_facet ost1
-    wait_for ost1
-    start ost1
-    
-    echo "Failover MDS"
-    wait_for mds
-    start mds
+    wait_for_facet ost1
+    start_ost 1
+
+	for i in $(seq $MDSCOUNT) ; do
+		wait_for_facet mds$i
+		start_mdt $i || return $?
+	done
     #Check FS
-    
-    wait $DFPID
+
+    wait $DFPIDA
+    wait $DFPIDB
     clients_recover_osts ost1
     echo "Test Lustre stability after MDS failover"
-    client_df || return 1
+    clients_up || return 1
 }
 run_test 4 "Fourth Failure Mode: OST/MDS `date`"
 ###################################################
 
 ############### Fifth Failure Mode ###############
 test_5() {
+    [ $OSTCOUNT -lt 2 ] && skip_env "$OSTCOUNT < 2, not enough OSTs" && return 0
+
     echo "Fifth Failure Mode: OST/OST `date`"
 
     #Create files
     echo "Verify Lustre filesystem is up and running"
-    client_df
+    [ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+    clients_up
     
     #OST Portion
-    echo "Failing OST"
     shutdown_facet ost1
     reboot_facet ost1
     
     #Check FS
     echo "Test Lustre stability after OST failure"
-    client_df
+    clients_up &
+    DFPIDA=$!
+    sleep 5
     
     #OST Portion
-    echo "Failing OST"
     shutdown_facet ost2
     reboot_facet ost2
 
     #Check FS
     echo "Test Lustre stability after OST failure"
-    client_df
+    clients_up &
+    DFPIDB=$!
+    sleep 5
 
     #Reintegration
     echo "Reintegrating OSTs"
-    wait_for ost1
-    wait_for ost1
-    start ost1
-    start ost2
+    wait_for_facet ost1
+    start_ost 1
+    wait_for_facet ost2
+    start_ost 2
     
     clients_recover_osts ost1
     clients_recover_osts ost2
-    sleep 5
-    client_df || return 1
+    sleep $TIMEOUT
+
+    wait $DFPIDA
+    wait $DFPIDB
+    clients_up || return 2
 }
 run_test 5 "Fifth Failure Mode: OST/OST `date`"
 ###################################################
@@ -344,17 +388,21 @@ test_6() {
 
     #Create files
     echo "Verify Lustre filesystem is up and running"
-    client_df || return 1
-    $PDSH $CLIENTS "/bin/touch $MOUNT/\`hostname\`_testfile" || return 2
+    [ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+    clients_up
+    client_touch testfile || return 2
 	
     #OST Portion
-    echo "Failing OST"
     shutdown_facet ost1
     reboot_facet ost1
 
     #Check FS
     echo "Test Lustre stability after OST failure"
-    client_df
+    clients_up &
+    DFPIDA=$!
+    echo DFPIDA=$DFPIDA
+    sleep 5
 
     #CLIENT Portion
     echo "Failing CLIENTs"
@@ -362,17 +410,25 @@ test_6() {
     
     #Check FS
     echo "Test Lustre stability after CLIENTs failure"
-    client_df
+    clients_up &
+    DFPIDB=$!
+    echo DFPIDB=$DFPIDB
+    sleep 5
     
     #Reintegration
     echo "Reintegrating OST/CLIENTs"
-    wait_for ost1
-    start ost1
-    reintegrate_clients
+    wait_for_facet ost1
+    start_ost 1
+    reintegrate_clients || return 1
     sleep 5 
 
+    wait_remote_prog "stat -f" $((TIMEOUT * 3 + 20)) 
+    wait $DFPIDA
+    wait $DFPIDB
+
     echo "Verifying mount"
-    client_df || return 3
+    [ -z "$(mounted_lustre_filesystems)" ] && return 3
+    clients_up
 }
 run_test 6 "Sixth Failure Mode: OST/CLIENT `date`"
 ###################################################
@@ -384,8 +440,10 @@ test_7() {
 
     #Create files
     echo "Verify Lustre filesystem is up and running"
-    client_df
-    $PDSH $CLIENTS "/bin/touch $MOUNT/\`hostname\`_testfile"
+    [ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+    clients_up
+    client_touch testfile  || return 1
 
     #CLIENT Portion
     echo "Part 1: Failing CLIENT"
@@ -393,9 +451,9 @@ test_7() {
     
     #Check FS
     echo "Test Lustre stability after CLIENTs failure"
-    client_df
-    $PDSH $LIVE_CLIENT "ls -l $MOUNT"
-    $PDSH $LIVE_CLIENT "rm -f $MOUNT/*_testfile"
+    clients_up
+    $PDSH $LIVE_CLIENT "ls -l $TESTDIR"
+    $PDSH $LIVE_CLIENT "rm -f $TESTDIR/*_testfile"
     
     #Sleep
     echo "Wait 1 minutes"
@@ -403,23 +461,23 @@ test_7() {
 
     #Create files
     echo "Verify Lustre filesystem is up and running"
-    client_df
-    $PDSH $CLIENTS "/bin/touch $MOUNT/\`hostname\`_testfile"
+    [ -z "$(mounted_lustre_filesystems)" ] && return 2
+
+    clients_up
+    client_rm testfile
 
     #MDS Portion
-    echo "Failing MDS"
-    facet_failover mds
+	for i in $(seq $MDSCOUNT) ; do
+		fail mds$i
+	done
 
-    #Check FS
-    echo "Test Lustre stability after MDS failover"
-    client_df
-    $PDSH $LIVE_CLIENT "ls -l $MOUNT"
-    $PDSH $LIVE_CLIENT "rm -f $MOUNT/*_testfile"
+    $PDSH $LIVE_CLIENT "ls -l $TESTDIR"
+    $PDSH $LIVE_CLIENT "rm -f $TESTDIR/*_testfile"
 
     #Reintegration
     echo "Reintegrating CLIENTs"
-    reintegrate_clients
-    client_df || return 1
+    reintegrate_clients || return 2
+    clients_up
     
     #Sleep
     echo "wait 1 minutes"
@@ -435,8 +493,10 @@ test_8() {
 
     #Create files
     echo "Verify Lustre filesystem is up and running"
-    client_df
-    $PDSH $CLIENTS "/bin/touch $MOUNT/\`hostname\`_testfile"
+    [ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+    clients_up
+    client_touch testfile
 	
     #CLIENT Portion
     echo "Failing CLIENTs"
@@ -444,9 +504,9 @@ test_8() {
 
     #Check FS
     echo "Test Lustre stability after CLIENTs failure"
-    client_df
-    $PDSH $LIVE_CLIENT "ls -l $MOUNT"
-    $PDSH $LIVE_CLIENT "rm -f $MOUNT/*_testfile"
+    clients_up
+    $PDSH $LIVE_CLIENT "ls -l $TESTDIR"
+    $PDSH $LIVE_CLIENT "rm -f $TESTDIR/*_testfile"
 
     #Sleep
     echo "Wait 1 minutes"
@@ -454,26 +514,33 @@ test_8() {
 
     #Create files
     echo "Verify Lustre filesystem is up and running"
-    client_df
-    $PDSH $CLIENTS "/bin/touch $MOUNT/\`hostname\`_testfile"
+    [ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+    clients_up
+    client_touch testfile
+
 
     #OST Portion
-    echo "Failing OST"
     shutdown_facet ost1
     reboot_facet ost1
 
     #Check FS
     echo "Test Lustre stability after OST failure"
-    client_df
-    $PDSH $LIVE_CLIENT "ls -l $MOUNT"
-    $PDSH $LIVE_CLIENT "rm -f $MOUNT/*_testfile"
+    clients_up &
+    DFPID=$!
+    sleep 5
+    #non-failout hangs forever here
+    #$PDSH $LIVE_CLIENT "ls -l $TESTDIR"
+    #$PDSH $LIVE_CLIENT "rm -f $TESTDIR/*_testfile"
     
     #Reintegration
     echo "Reintegrating CLIENTs/OST"
-    reintegrate_clients
-    start ost1
-    client_df || return 1
-    $PDSH $CLIENTS "/bin/touch $MOUNT/CLIENT_OST_2\`hostname\`_testfile" || return 2
+    reintegrate_clients || return 3
+    wait_for_facet ost1
+    start_ost 1
+    wait $DFPID
+    clients_up || return 1
+    client_touch testfile2 || return 2
 
     #Sleep
     echo "Wait 1 minutes"
@@ -489,8 +556,10 @@ test_9() {
 
     #Create files
     echo "Verify Lustre filesystem is up and running"
-    client_df
-    $PDSH $CLIENTS "/bin/touch $MOUNT/\`hostname\`_testfile"
+    [ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+    clients_up
+    client_touch testfile || return 1
 	
     #CLIENT Portion
     echo "Failing CLIENTs"
@@ -498,9 +567,9 @@ test_9() {
 
     #Check FS
     echo "Test Lustre stability after CLIENTs failure"
-    client_df
-    $PDSH $LIVE_CLIENT "ls -l $MOUNT" || return 1
-    $PDSH $LIVE_CLIENT "rm -f $MOUNT/*_testfile" || return 2
+    clients_up
+    $PDSH $LIVE_CLIENT "ls -l $TESTDIR" || return 1
+    $PDSH $LIVE_CLIENT "rm -f $TESTDIR/*_testfile" || return 2
 
     #Sleep
     echo "Wait 1 minutes"
@@ -508,8 +577,8 @@ test_9() {
 
     #Create files
     echo "Verify Lustre filesystem is up and running"
-    client_df || return 3
-    $PDSH $CLIENTS "/bin/touch $MOUNT/\`hostname\`_testfile" || return 4
+    client_up $LIVE_CLIENT || return 3
+    client_touch testfile || return 4
 
     #CLIENT Portion
     echo "Failing CLIENTs"
@@ -517,14 +586,14 @@ test_9() {
     
     #Check FS
     echo "Test Lustre stability after CLIENTs failure"
-    client_df
-    $PDSH $LIVE_CLIENT "ls -l $MOUNT" || return 5
-    $PDSH $LIVE_CLIENT "rm -f $MOUNT/*_testfile" || return 6
+    clients_up
+    $PDSH $LIVE_CLIENT "ls -l $TESTDIR" || return 5
+    $PDSH $LIVE_CLIENT "rm -f $TESTDIR/*_testfile" || return 6
 
     #Reintegration
     echo "Reintegrating  CLIENTs/CLIENTs"
-    reintegrate_clients
-    client_df || return 7
+    reintegrate_clients || return 7
+    clients_up
     
     #Sleep
     echo "Wait 1 minutes"
@@ -533,11 +602,184 @@ test_9() {
 run_test 9 "Ninth Failure Mode: CLIENT/CLIENT `date`"
 ###################################################
 
+############### Tenth Failure Mode ###############
 test_10() {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+
+	shutdown_facet mds1
+	reboot_facet mds1
+
+	# prepare for MDS failover
+	change_active mds1
+	reboot_facet mds1
+
+	clients_up &
+	DFPID=$!
+	sleep 5
+
+	shutdown_facet ost1
+
+	echo "Reintegrating OST"
+	reboot_facet ost1
+	wait_for_facet ost1
+	start_ost 1 || return 2
+
+	shutdown_facet mds2
+	reboot_facet mds2
+
+	# prepare for MDS failover
+	change_active mds2
+	reboot_facet mds2
+
+	wait_for_facet mds1
+	start_mdt 1 || return $?
+
+	wait_for_facet mds2
+	start_mdt 2 || return $?
+
+	#Check FS
+	wait $DFPID
+	clients_recover_osts ost1
+	echo "Verify reintegration"
+	clients_up || return 1
+}
+run_test 10 "Tenth Failure Mode: MDT0/OST/MDT1 `date`"
+###################################################
+
+############### Seventh Failure Mode ###############
+test_11() {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	echo "Verify Lustre filesystem is up and running"
+	[ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+	#MDS Portion
+	fail mds1
+	#Check FS
+
+	echo "Test Lustre stability after MDS failover"
+	clients_up
+
+	#CLIENT Portion
+	echo "Failing 2 CLIENTS"
+	fail_clients 2
+
+	#Check FS
+	echo "Test Lustre stability after CLIENT failure"
+	clients_up
+
+	#Reintegration
+	echo "Reintegrating CLIENTS"
+	reintegrate_clients || return 1
+
+	fail mds2
+
+	clients_up || return 3
+	sleep 2 # give it a little time for fully recovered before next test
+}
+run_test 11 "Eleventh Failure Mode: MDS0/CLIENT/MDS1 `date`"
+###################################################
+
+test_12() {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	echo "Verify Lustre filesystem is up and running"
+	[ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+	#MDS Portion
+	fail mds1,mds2
+	clients_up
+
+	#OSS Portion
+	fail ost1,ost2
+	clients_up
+
+	#CLIENT Portion
+	echo "Failing 2 CLIENTS"
+	fail_clients 2
+
+	#Check FS
+	echo "Test Lustre stability after CLIENT failure"
+	clients_up
+
+	#Reintegration
+	echo "Reintegrating CLIENTS"
+	reintegrate_clients || return 1
+
+	clients_up || return 3
+	sleep 2 # give it a little time for fully recovered before next test
+}
+run_test 12 "Twelve Failure Mode: MDS0,MDS1/OST0, OST1/CLIENTS `date`"
+###################################################
+
+test_13() {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	echo "Verify Lustre filesystem is up and running"
+	[ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+	#MDS Portion
+	fail mds1,mds2
+	clients_up
+
+	#CLIENT Portion
+	echo "Failing 2 CLIENTS"
+	fail_clients 2
+
+	#Check FS
+	echo "Test Lustre stability after CLIENT failure"
+	clients_up
+
+	#Reintegration
+	echo "Reintegrating CLIENTS"
+	reintegrate_clients || return 1
+
+	clients_up || return 3
+	sleep 2 # give it a little time for fully recovered before next test
+
+	#OSS Portion
+	fail ost1,ost2
+	clients_up || return 4
+}
+run_test 13 "Thirteen Failure Mode: MDS0,MDS1/CLIENTS/OST0,OST1 `date`"
+###################################################
+
+test_14() {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	echo "Verify Lustre filesystem is up and running"
+	[ -z "$(mounted_lustre_filesystems)" ] && error "Lustre is not running"
+
+	#OST Portion
+	fail ost1,ost2
+	clients_up
+
+	#CLIENT Portion
+	echo "Failing 2 CLIENTS"
+	fail_clients 2
+
+	#Check FS
+	echo "Test Lustre stability after CLIENT failure"
+	clients_up
+
+	#Reintegration
+	echo "Reintegrating CLIENTS"
+	reintegrate_clients || return 1
+
+	clients_up || return 3
+	sleep 2 # give it a little time for fully recovered before next test
+
+	#OSS Portion
+	fail mds1,mds2
+	clients_up || return 4
+}
+run_test 14 "Fourteen Failure Mode: OST0,OST1/CLIENTS/MDS0,MDS1 `date`"
+###################################################
+
+test_15() {
     #Run availability after all failures
-    ./availability.sh  21600
+    DURATION=${DURATION:-$((2 * 60 * 60))} # 6 hours default
+    LOADTEST=${LOADTEST:-metadata-load.py}
+    $PWD/availability.sh $CONFIG $DURATION $CLIENTS || return 1
 }
-run_test 10 "Running Availability for 6 hours..."
+run_test 15 "Running Availability for 6 hours..."
 
-equals_msg "Done, cleaning up"
-cleanup
+complete $SECONDS
+check_and_cleanup_lustre
+exit_status