+ fail $SINGLEMDS
+ wait $pid || return 1
+ return 0
+}
+run_test 23 "client hang when close a file after mds crash"
+
+test_24() { # bug 11710 details correct fsync() behavior
+ remote_ost_nodsh && skip "remote OST with nodsh" && return 0
+
+ mkdir -p $DIR/$tdir
+ lfs setstripe $DIR/$tdir -s 0 -i 0 -c 1
+ cancel_lru_locks osc
+ multiop_bg_pause $DIR/$tdir/$tfile Owy_wyc || return 1
+ MULTI_PID=$!
+ ost_evict_client
+ kill -USR1 $MULTI_PID
+ wait $MULTI_PID
+ rc=$?
+ lctl set_param fail_loc=0x0
+ client_reconnect
+ [ $rc -eq 0 ] && error_ignore 5494 "multiop didn't fail fsync: rc $rc" || true
+}
+run_test 24 "fsync error (should return error)"
+
+test_26a() { # was test_26 bug 5921 - evict dead exports by pinger
+# this test can only run from a client on a separate node.
+ remote_ost || { skip "local OST" && return 0; }
+ remote_ost_nodsh && skip "remote OST with nodsh" && return 0
+ remote_mds || { skip "local MDS" && return 0; }
+ OST_FILE=obdfilter.${ost1_svc}.num_exports
+ OST_EXP="`do_facet ost1 lctl get_param -n $OST_FILE`"
+ OST_NEXP1=`echo $OST_EXP | cut -d' ' -f2`
+ echo starting with $OST_NEXP1 OST exports
+# OBD_FAIL_PTLRPC_DROP_RPC 0x505
+ do_facet client lctl set_param fail_loc=0x505
+ # evictor takes PING_EVICT_TIMEOUT + 3 * PING_INTERVAL to evict.
+ # But if there's a race to start the evictor from various obds,
+ # the loser might have to wait for the next ping.
+ echo Waiting for $(($TIMEOUT * 8)) secs
+ sleep $(($TIMEOUT * 8))
+ OST_EXP="`do_facet ost1 lctl get_param -n $OST_FILE`"
+ OST_NEXP2=`echo $OST_EXP | cut -d' ' -f2`
+ echo ending with $OST_NEXP2 OST exports
+ do_facet client lctl set_param fail_loc=0x0
+ [ $OST_NEXP1 -le $OST_NEXP2 ] && error "client not evicted"
+ return 0
+}
+run_test 26a "evict dead exports"
+
+test_26b() { # bug 10140 - evict dead exports by pinger
+ remote_ost_nodsh && skip "remote OST with nodsh" && return 0
+
+ client_df
+ zconf_mount `hostname` $MOUNT2 || error "Failed to mount $MOUNT2"
+ sleep 1 # wait connections being established
+ MDS_FILE=mdt.${mds1_svc}.num_exports
+ MDS_NEXP1="`do_facet $SINGLEMDS lctl get_param -n $MDS_FILE | cut -d' ' -f2`"
+ OST_FILE=obdfilter.${ost1_svc}.num_exports
+ OST_NEXP1="`do_facet ost1 lctl get_param -n $OST_FILE | cut -d' ' -f2`"
+ echo starting with $OST_NEXP1 OST and $MDS_NEXP1 MDS exports
+ zconf_umount `hostname` $MOUNT2 -f
+ # evictor takes PING_EVICT_TIMEOUT + 3 * PING_INTERVAL to evict.
+ # But if there's a race to start the evictor from various obds,
+ # the loser might have to wait for the next ping.
+ echo Waiting for $(($TIMEOUT * 3)) secs
+ sleep $(($TIMEOUT * 3))
+ OST_NEXP2="`do_facet ost1 lctl get_param -n $OST_FILE | cut -d' ' -f2`"
+ MDS_NEXP2="`do_facet $SINGLEMDS lctl get_param -n $MDS_FILE | cut -d' ' -f2`"
+ echo ending with $OST_NEXP2 OST and $MDS_NEXP2 MDS exports
+ [ $OST_NEXP1 -le $OST_NEXP2 ] && error "client not evicted from OST"
+ [ $MDS_NEXP1 -le $MDS_NEXP2 ] && error "client not evicted from MDS"
+ return 0
+}
+run_test 26b "evict dead exports"
+
+test_27() {
+ mkdir -p $DIR/$tdir
+ writemany -q -a $DIR/$tdir/$tfile 0 5 &
+ CLIENT_PID=$!
+ sleep 1
+ local save_FAILURE_MODE=$FAILURE_MODE
+ FAILURE_MODE="SOFT"
+ facet_failover $SINGLEMDS
+#define OBD_FAIL_OSC_SHUTDOWN 0x407
+ do_facet $SINGLEMDS lctl set_param fail_loc=0x80000407
+ # need to wait for reconnect
+ echo -n waiting for fail_loc
+ while [ $(do_facet $SINGLEMDS lctl get_param -n fail_loc) -eq -2147482617 ]; do
+ sleep 1
+ echo -n .
+ done
+ do_facet $SINGLEMDS lctl get_param -n fail_loc
+ facet_failover $SINGLEMDS
+ #no crashes allowed!
+ kill -USR1 $CLIENT_PID
+ wait $CLIENT_PID
+ true
+ FAILURE_MODE=$save_FAILURE_MODE
+}
+run_test 27 "fail LOV while using OSC's"
+
+test_28() { # bug 6086 - error adding new clients
+ do_facet client mcreate $DIR/$tfile || return 1
+ drop_bl_callback "chmod 0777 $DIR/$tfile" ||echo "evicted as expected"
+ #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
+ do_facet $SINGLEMDS "lctl set_param fail_loc=0x8000012f"
+ # fail once (evicted), reconnect fail (fail_loc), ok
+ df || (sleep 10; df) || (sleep 10; df) || error "reconnect failed"
+ rm -f $DIR/$tfile
+ fail $SINGLEMDS # verify MDS last_rcvd can be loaded
+}
+run_test 28 "handle error adding new clients (bug 6086)"
+
+test_50() {
+ mkdir -p $DIR/$tdir
+ # put a load of file creates/writes/deletes
+ writemany -q $DIR/$tdir/$tfile 0 5 &
+ CLIENT_PID=$!
+ echo writemany pid $CLIENT_PID
+ sleep 10
+ FAILURE_MODE="SOFT"
+ fail $SINGLEMDS
+ # wait for client to reconnect to MDS
+ sleep 60
+ fail $SINGLEMDS
+ sleep 60
+ fail $SINGLEMDS
+ # client process should see no problems even though MDS went down
+ sleep $TIMEOUT
+ kill -USR1 $CLIENT_PID
+ wait $CLIENT_PID
+ rc=$?
+ echo writemany returned $rc
+ #these may fail because of eviction due to slow AST response.
+ [ $rc -eq 0 ] || error_ignore 13652 "writemany returned rc $rc" || true
+}
+run_test 50 "failover MDS under load"
+
+test_51() {
+ mkdir -p $DIR/$tdir
+ # put a load of file creates/writes/deletes
+ writemany -q $DIR/$tdir/$tfile 0 5 &
+ CLIENT_PID=$!
+ sleep 1
+ FAILURE_MODE="SOFT"
+ facet_failover $SINGLEMDS
+ # failover at various points during recovery
+ SEQ="1 5 10 $(seq $TIMEOUT 5 $(($TIMEOUT+10)))"
+ echo will failover at $SEQ
+ for i in $SEQ
+ do
+ echo failover in $i sec
+ sleep $i
+ facet_failover $SINGLEMDS
+ done
+ # client process should see no problems even though MDS went down
+ # and recovery was interrupted
+ sleep $TIMEOUT
+ kill -USR1 $CLIENT_PID
+ wait $CLIENT_PID
+ rc=$?
+ echo writemany returned $rc
+ [ $rc -eq 0 ] || error_ignore 13652 "writemany returned rc $rc" || true
+}
+run_test 51 "failover MDS during recovery"
+
+test_52_guts() {
+ do_facet client "mkdir -p $DIR/$tdir"
+ do_facet client "writemany -q -a $DIR/$tdir/$tfile 300 5" &
+ CLIENT_PID=$!
+ echo writemany pid $CLIENT_PID
+ sleep 10
+ FAILURE_MODE="SOFT"
+ fail ost1
+ rc=0
+ wait $CLIENT_PID || rc=$?
+ # active client process should see an EIO for down OST
+ [ $rc -eq 5 ] && { echo "writemany correctly failed $rc" && return 0; }
+ # but timing or failover setup may allow success
+ [ $rc -eq 0 ] && { echo "writemany succeeded" && return 0; }
+ echo "writemany returned $rc"
+ return $rc
+}
+
+test_52() {
+ remote_ost_nodsh && skip "remote OST with nodsh" && return 0
+
+ mkdir -p $DIR/$tdir
+ test_52_guts
+ rc=$?
+ [ $rc -ne 0 ] && { return $rc; }
+ # wait for client to reconnect to OST
+ sleep 30
+ test_52_guts
+ rc=$?
+ [ $rc -ne 0 ] && { return $rc; }
+ sleep 30
+ test_52_guts
+ rc=$?
+ client_reconnect
+ #return $rc
+}
+run_test 52 "failover OST under load"
+
+# test of open reconstruct
+test_53() {
+ touch $DIR/$tfile
+ drop_ldlm_reply "openfile -f O_RDWR:O_CREAT -m 0755 $DIR/$tfile" ||\
+ return 2
+}
+run_test 53 "touch: drop rep"
+
+test_54() {
+ zconf_mount `hostname` $MOUNT2
+ touch $DIR/$tfile
+ touch $DIR2/$tfile.1
+ sleep 10
+ cat $DIR2/$tfile.missing # save transno = 0, rc != 0 into last_rcvd
+ fail $SINGLEMDS
+ umount $MOUNT2
+ ERROR=`dmesg | egrep "(test 54|went back in time)" | tail -n1 | grep "went back in time"`
+ [ x"$ERROR" == x ] || error "back in time occured"
+}
+run_test 54 "back in time"
+
+# bug 11330 - liblustre application death during I/O locks up OST
+test_55() {
+ remote_ost_nodsh && skip "remote OST with nodsh" && return 0
+
+ mkdir -p $DIR/$tdir
+
+ # first dd should be finished quickly
+ lfs setstripe $DIR/$tdir/$tfile-1 -c 1 -i 0
+ dd if=/dev/zero of=$DIR/$tdir/$tfile-1 bs=32M count=4 &
+ DDPID=$!
+ count=0
+ echo "step1: testing ......"
+ while [ true ]; do
+ if [ -z `ps x | awk '$1 == '$DDPID' { print $5 }'` ]; then break; fi
+ count=$[count+1]
+ if [ $count -gt 64 ]; then
+ error "dd should be finished!"
+ fi
+ sleep 1
+ done
+ echo "(dd_pid=$DDPID, time=$count)successful"
+
+ lfs setstripe $DIR/$tdir/$tfile-2 -c 1 -i 0
+ #define OBD_FAIL_OST_DROP_REQ 0x21d
+ do_facet ost1 lctl set_param fail_loc=0x0000021d
+ # second dd will be never finished
+ dd if=/dev/zero of=$DIR/$tdir/$tfile-2 bs=32M count=4 &
+ DDPID=$!
+ count=0
+ echo "step2: testing ......"
+ while [ $count -le 64 ]; do
+ dd_name="`ps x | awk '$1 == '$DDPID' { print $5 }'`"
+ if [ -z $dd_name ]; then
+ ls -l $DIR/$tdir
+ echo "debug: (dd_name=$dd_name, dd_pid=$DDPID, time=$count)"
+ error "dd shouldn't be finished!"
+ fi
+ count=$[count+1]
+ sleep 1
+ done
+ echo "(dd_pid=$DDPID, time=$count)successful"
+
+ #Recover fail_loc and dd will finish soon
+ do_facet ost1 lctl set_param fail_loc=0
+ count=0
+ echo "step3: testing ......"
+ while [ true ]; do
+ if [ -z `ps x | awk '$1 == '$DDPID' { print $5 }'` ]; then break; fi
+ count=$[count+1]
+ if [ $count -gt 500 ]; then
+ error "dd should be finished!"
+ fi
+ sleep 1
+ done
+ echo "(dd_pid=$DDPID, time=$count)successful"
+
+ rm -rf $DIR/$tdir
+}
+run_test 55 "ost_brw_read/write drops timed-out read/write request"
+
+test_56() { # b=11277
+#define OBD_FAIL_MDS_RESEND 0x136
+ touch $DIR/$tfile
+ do_facet $SINGLEMDS "lctl set_param fail_loc=0x80000136"
+ stat $DIR/$tfile
+ do_facet $SINGLEMDS "lctl set_param fail_loc=0"
+ rm -f $DIR/$tfile
+}
+run_test 56 "do not allow reconnect to busy exports"
+
+test_57_helper() {
+ # no oscs means no client or mdt
+ while lctl get_param osc.*.* > /dev/null 2>&1; do
+ : # loop until proc file is removed
+ done
+}
+
+test_57() { # bug 10866
+ test_57_helper &
+ pid=$!
+ sleep 1
+#define OBD_FAIL_LPROC_REMOVE 0xB00
+ lctl set_param fail_loc=0x80000B00
+ zconf_umount `hostname` $DIR
+ lctl set_param fail_loc=0x80000B00
+ fail_abort $SINGLEMDS
+ kill -9 $pid
+ lctl set_param fail_loc=0
+ mount_client $DIR
+ do_facet client "df $DIR"
+}
+run_test 57 "read procfs entries causes kernel crash"
+
+test_58() { # bug 11546
+#define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
+ touch $DIR/$tfile
+ ls -la $DIR/$tfile
+ lctl set_param fail_loc=0x80000801
+ cp $DIR/$tfile /dev/null &
+ pid=$!
+ sleep 1
+ lctl set_param fail_loc=0
+ drop_bl_callback rm -f $DIR/$tfile
+ wait $pid
+ do_facet client "df $DIR"
+}
+run_test 58 "Eviction in the middle of open RPC reply processing"
+
+test_59() { # bug 10589
+ zconf_mount `hostname` $MOUNT2 || error "Failed to mount $MOUNT2"
+ echo $DIR2 | grep -q $MOUNT2 || error "DIR2 is not set properly: $DIR2"
+#define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
+ lctl set_param fail_loc=0x311
+ writes=$(LANG=C dd if=/dev/zero of=$DIR2/$tfile count=1 2>&1)
+ [ $? = 0 ] || error "dd write failed"
+ writes=$(echo $writes | awk -F '+' '/out/ {print $1}')
+ lctl set_param fail_loc=0
+ sync
+ zconf_umount `hostname` $MOUNT2 -f
+ reads=$(LANG=C dd if=$DIR/$tfile of=/dev/null 2>&1)
+ [ $? = 0 ] || error "dd read failed"
+ reads=$(echo $reads | awk -F '+' '/in/ {print $1}')
+ [ "$reads" -eq "$writes" ] || error "read" $reads "blocks, must be" $writes
+}
+run_test 59 "Read cancel race on client eviction"