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Nathan Rutman authoredi=adilger i=eeb (pending) adaptive timeouts
Nathan Rutman authoredi=adilger i=eeb (pending) adaptive timeouts
recovery-small.sh 25.88 KiB
#!/bin/bash
set -e
# bug 5493
ALWAYS_EXCEPT="52 $RECOVERY_SMALL_EXCEPT"
#PTLDEBUG=${PTLDEBUG:--1}
LUSTRE=${LUSTRE:-`dirname $0`/..}
. $LUSTRE/tests/test-framework.sh
init_test_env $@
. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
build_test_filter
# Allow us to override the setup if we already have a mounted system by
# setting SETUP=" " and CLEANUP=" "
SETUP=${SETUP:-""}
CLEANUP=${CLEANUP:-""}
cleanup_and_setup_lustre
test_1() {
drop_request "mcreate $MOUNT/1" || return 1
drop_reint_reply "mcreate $MOUNT/2" || return 2
}
run_test 1 "mcreate: drop req, drop rep"
test_2() {
drop_request "tchmod 111 $MOUNT/2" || return 1
drop_reint_reply "tchmod 666 $MOUNT/2" || return 2
}
run_test 2 "chmod: drop req, drop rep"
test_3() {
drop_request "statone $MOUNT/2" || return 1
drop_reply "statone $MOUNT/2" || return 2
}
run_test 3 "stat: drop req, drop rep"
SAMPLE_NAME=recovery-small.junk
SAMPLE_FILE=$TMP/$SAMPLE_NAME
dd if=/dev/urandom of=$SAMPLE_FILE bs=1K count=4
test_4() {
do_facet client "cp $SAMPLE_FILE $MOUNT/$SAMPLE_NAME" || return 1
drop_request "cat $MOUNT/$SAMPLE_NAME > /dev/null" || return 2
drop_reply "cat $MOUNT/$SAMPLE_NAME > /dev/null" || return 3
}
run_test 4 "open: drop req, drop rep"
test_5() {
drop_request "mv $MOUNT/$SAMPLE_NAME $MOUNT/renamed" || return 1
drop_reint_reply "mv $MOUNT/renamed $MOUNT/renamed-again" || return 2
do_facet client "checkstat -v $MOUNT/renamed-again" || return 3
}
run_test 5 "rename: drop req, drop rep"
[ ! -e $MOUNT/renamed-again ] && cp $SAMPLE_FILE $MOUNT/renamed-again
test_6() {
drop_request "mlink $MOUNT/renamed-again $MOUNT/link1" || return 1
drop_reint_reply "mlink $MOUNT/renamed-again $MOUNT/link2" || return 2
}
run_test 6 "link: drop req, drop rep"
[ ! -e $MOUNT/link1 ] && mlink $MOUNT/renamed-again $MOUNT/link1
[ ! -e $MOUNT/link2 ] && mlink $MOUNT/renamed-again $MOUNT/link2
test_7() {
drop_request "munlink $MOUNT/link1" || return 1
drop_reint_reply "munlink $MOUNT/link2" || return 2
}
run_test 7 "unlink: drop req, drop rep"
#bug 1423
test_8() {
drop_reint_reply "touch $MOUNT/$tfile" || return 1
}
run_test 8 "touch: drop rep (bug 1423)"
SAMPLE_FILE=$TMP/recovery-small.junk
dd if=/dev/urandom of=$SAMPLE_FILE bs=1M count=4
#bug 1420
test_9() {
pause_bulk "cp /etc/profile $MOUNT/$tfile" || return 1
do_facet client "cp $SAMPLE_FILE $MOUNT/${tfile}.2" || return 2
do_facet client "sync"
do_facet client "rm $MOUNT/$tfile $MOUNT/${tfile}.2" || return 3
}
run_test 9 "pause bulk on OST (bug 1420)"
#bug 1521
test_10() {
do_facet client mcreate $MOUNT/$tfile || return 1
drop_bl_callback "chmod 0777 $MOUNT/$tfile" || echo "evicted as expected"
# wait for the mds to evict the client
#echo "sleep $(($TIMEOUT*2))"
#sleep $(($TIMEOUT*2))
do_facet client touch $MOUNT/$tfile || echo "touch failed, evicted"
do_facet client checkstat -v -p 0777 $MOUNT/$tfile || return 3
do_facet client "munlink $MOUNT/$tfile"
}
run_test 10 "finish request on server after client eviction (bug 1521)"
#bug 2460
# wake up a thread waiting for completion after eviction
test_11(){
do_facet client multiop $MOUNT/$tfile Ow || return 1
do_facet client multiop $MOUNT/$tfile or || return 2
cancel_lru_locks osc
do_facet client multiop $MOUNT/$tfile or || return 3
drop_bl_callback multiop $MOUNT/$tfile Ow || echo "evicted as expected"
do_facet client munlink $MOUNT/$tfile || return 4
}
run_test 11 "wake up a thread waiting for completion after eviction (b=2460)"
#b=2494
test_12(){
$LCTL mark multiop $MOUNT/$tfile OS_c
do_facet mds "sysctl -w lustre.fail_loc=0x115"
clear_failloc mds $((TIMEOUT * 2)) &
multiop $MOUNT/$tfile OS_c &
PID=$!
#define OBD_FAIL_MDS_CLOSE_NET 0x115
sleep 2
kill -USR1 $PID
echo "waiting for multiop $PID"
wait $PID || return 2
do_facet client munlink $MOUNT/$tfile || return 3
}
run_test 12 "recover from timed out resend in ptlrpcd (b=2494)"
# Bug 113, check that readdir lost recv timeout works.
test_13() {
mkdir $MOUNT/readdir || return 1
touch $MOUNT/readdir/newentry || return
# OBD_FAIL_MDS_READPAGE_NET|OBD_FAIL_ONCE
do_facet mds "sysctl -w lustre.fail_loc=0x80000104"
ls $MOUNT/readdir || return 3
do_facet mds "sysctl -w lustre.fail_loc=0"
rm -rf $MOUNT/readdir || return 4
}
run_test 13 "mdc_readpage restart test (bug 1138)"
# Bug 113, check that readdir lost send timeout works.
test_14() {
mkdir $MOUNT/readdir
touch $MOUNT/readdir/newentry
# OBD_FAIL_MDS_SENDPAGE|OBD_FAIL_ONCE
do_facet mds "sysctl -w lustre.fail_loc=0x80000106"
ls $MOUNT/readdir || return 1
do_facet mds "sysctl -w lustre.fail_loc=0"
}
run_test 14 "mdc_readpage resend test (bug 1138)"
test_15() {
do_facet mds "sysctl -w lustre.fail_loc=0x80000128"
touch $DIR/$tfile && return 1
return 0
}
run_test 15 "failed open (-ENOMEM)"
READ_AHEAD=`cat $LPROC/llite/*/max_read_ahead_mb | head -n 1`
stop_read_ahead() {
for f in $LPROC/llite/*/max_read_ahead_mb; do
echo 0 > $f
done
}
start_read_ahead() {
for f in $LPROC/llite/*/max_read_ahead_mb; do
echo $READ_AHEAD > $f
done
}
test_16() {
do_facet client cp $SAMPLE_FILE $MOUNT
sync
stop_read_ahead
#define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504 | OBD_FAIL_ONCE
do_facet ost1 sysctl -w lustre.fail_loc=0x80000504
cancel_lru_locks osc
# OST bulk will time out here, client resends
do_facet client "cmp $SAMPLE_FILE $MOUNT/${SAMPLE_FILE##*/}" || return 1
do_facet ost1 sysctl -w lustre.fail_loc=0
# give recovery a chance to finish (shouldn't take long)
sleep $TIMEOUT
do_facet client "cmp $SAMPLE_FILE $MOUNT/${SAMPLE_FILE##*/}" || return 2
start_read_ahead
}
run_test 16 "timeout bulk put, don't evict client (2732)"
test_17() {
# OBD_FAIL_PTLRPC_BULK_GET_NET 0x0503 | OBD_FAIL_ONCE
# OST bulk will time out here, client retries
do_facet ost1 sysctl -w lustre.fail_loc=0x80000503
# need to ensure we send an RPC
do_facet client cp $SAMPLE_FILE $DIR/$tfile
sync
sleep $TIMEOUT
do_facet ost1 sysctl -w lustre.fail_loc=0
do_facet client "df $DIR"
# expect cmp to succeed, client resent bulk
do_facet client "cmp $SAMPLE_FILE $DIR/$tfile" || return 3
do_facet client "rm $DIR/$tfile" || return 4
return 0
}
run_test 17 "timeout bulk get, don't evict client (2732)"
test_18a() {
[ -z ${ost2_svc} ] && skip "needs 2 osts" && return 0
do_facet client mkdir -p $MOUNT/$tdir
f=$MOUNT/$tdir/$tfile
cancel_lru_locks osc
pgcache_empty || return 1
# 1 stripe on ost2
lfs setstripe $f $((128 * 1024)) 1 1
do_facet client cp $SAMPLE_FILE $f
sync
local osc2dev=`grep ${ost2_svc}-osc- $LPROC/devices | awk '{print $1}'`
$LCTL --device $osc2dev deactivate || return 3
# my understanding is that there should be nothing in the page
# cache after the client reconnects?
rc=0
pgcache_empty || rc=2
$LCTL --device $osc2dev activate
rm -f $f
return $rc
}
run_test 18a "manual ost invalidate clears page cache immediately"
test_18b() {
do_facet client mkdir -p $MOUNT/$tdir
f=$MOUNT/$tdir/$tfile
f2=$MOUNT/$tdir/${tfile}-2
cancel_lru_locks osc
pgcache_empty || return 1
# shouldn't have to set stripe size of count==1
lfs setstripe $f $((128 * 1024)) 0 1
lfs setstripe $f2 $((128 * 1024)) 0 1
do_facet client cp $SAMPLE_FILE $f
sync
ost_evict_client
# force reconnect
df $MOUNT > /dev/null 2>&1
sleep 2
# my understanding is that there should be nothing in the page
# cache after the client reconnects?
rc=0
pgcache_empty || rc=2
rm -f $f $f2
return $rc
}
run_test 18b "eviction and reconnect clears page cache (2766)"
test_19a() {
f=$MOUNT/$tfile
do_facet client mcreate $f || return 1
drop_ldlm_cancel "chmod 0777 $f" || echo "evicted as expected"
do_facet client checkstat -v -p 0777 $f || echo evicted
# let the client reconnect
sleep 5
do_facet client "munlink $f"
}
run_test 19a "test expired_lock_main on mds (2867)"
test_19b() {
f=$MOUNT/$tfile
do_facet client multiop $f Ow || return 1
do_facet client multiop $f or || return 2
cancel_lru_locks osc
do_facet client multiop $f or || return 3
drop_ldlm_cancel multiop $f Ow || echo "client evicted, as expected"
do_facet client munlink $f || return 4
}
run_test 19b "test expired_lock_main on ost (2867)"
test_20a() { # bug 2983 - ldlm_handle_enqueue cleanup
mkdir -p $DIR/$tdir
multiop $DIR/$tdir/${tfile} O_wc &
MULTI_PID=$!
sleep 1
cancel_lru_locks osc
#define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
do_facet ost1 sysctl -w lustre.fail_loc=0x80000308
kill -USR1 $MULTI_PID
wait $MULTI_PID
rc=$?
[ $rc -eq 0 ] && error "multiop didn't fail enqueue: rc $rc" || true
}
run_test 20a "ldlm_handle_enqueue error (should return error)"
test_20b() { # bug 2986 - ldlm_handle_enqueue error during open
mkdir -p $DIR/$tdir
touch $DIR/$tdir/${tfile}
cancel_lru_locks osc
#define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
do_facet ost1 sysctl -w lustre.fail_loc=0x80000308
dd if=/etc/hosts of=$DIR/$tdir/$tfile && \
error "didn't fail open enqueue" || true
}
run_test 20b "ldlm_handle_enqueue error (should return error)"
test_21a() {
mkdir -p $DIR/$tdir-1
mkdir -p $DIR/$tdir-2
multiop $DIR/$tdir-1/f O_c &
close_pid=$!
do_facet mds "sysctl -w lustre.fail_loc=0x80000129"
multiop $DIR/$tdir-2/f Oc &
open_pid=$!
sleep 1
do_facet mds "sysctl -w lustre.fail_loc=0"
do_facet mds "sysctl -w lustre.fail_loc=0x80000115"
kill -USR1 $close_pid
cancel_lru_locks mdc
wait $close_pid || return 1
wait $open_pid || return 2
do_facet mds "sysctl -w lustre.fail_loc=0"
$CHECKSTAT -t file $DIR/$tdir-1/f || return 3
$CHECKSTAT -t file $DIR/$tdir-2/f || return 4
rm -rf $DIR/$tdir-*
}
run_test 21a "drop close request while close and open are both in flight"
test_21b() {
mkdir -p $DIR/$tdir-1
mkdir -p $DIR/$tdir-2
multiop $DIR/$tdir-1/f O_c &
close_pid=$!
do_facet mds "sysctl -w lustre.fail_loc=0x80000107"
mcreate $DIR/$tdir-2/f &
open_pid=$!
sleep 1
do_facet mds "sysctl -w lustre.fail_loc=0"
kill -USR1 $close_pid
cancel_lru_locks mdc
wait $close_pid || return 1
wait $open_pid || return 3
$CHECKSTAT -t file $DIR/$tdir-1/f || return 4
$CHECKSTAT -t file $DIR/$tdir-2/f || return 5
rm -rf $DIR/$tdir-*
}
run_test 21b "drop open request while close and open are both in flight"
test_21c() {
mkdir -p $DIR/$tdir-1
mkdir -p $DIR/$tdir-2
multiop $DIR/$tdir-1/f O_c &
close_pid=$!
do_facet mds "sysctl -w lustre.fail_loc=0x80000107"
mcreate $DIR/$tdir-2/f &
open_pid=$!
sleep 3
do_facet mds "sysctl -w lustre.fail_loc=0"
do_facet mds "sysctl -w lustre.fail_loc=0x80000115"
kill -USR1 $close_pid
cancel_lru_locks mdc
wait $close_pid || return 1
wait $open_pid || return 2
do_facet mds "sysctl -w lustre.fail_loc=0"
$CHECKSTAT -t file $DIR/$tdir-1/f || return 2
$CHECKSTAT -t file $DIR/$tdir-2/f || return 3
rm -rf $DIR/$tdir-*
}
run_test 21c "drop both request while close and open are both in flight"
test_21d() {
mkdir -p $DIR/$tdir-1
mkdir -p $DIR/$tdir-2
multiop $DIR/$tdir-1/f O_c &
pid=$!
do_facet mds "sysctl -w lustre.fail_loc=0x80000129"
multiop $DIR/$tdir-2/f Oc &
sleep 1
do_facet mds "sysctl -w lustre.fail_loc=0"
do_facet mds "sysctl -w lustre.fail_loc=0x80000122"
kill -USR1 $pid
cancel_lru_locks mdc
wait $pid || return 1
do_facet mds "sysctl -w lustre.fail_loc=0"
$CHECKSTAT -t file $DIR/$tdir-1/f || return 2
$CHECKSTAT -t file $DIR/$tdir-2/f || return 3
rm -rf $DIR/$tdir-*
}
run_test 21d "drop close reply while close and open are both in flight"
test_21e() {
mkdir -p $DIR/$tdir-1
mkdir -p $DIR/$tdir-2
multiop $DIR/$tdir-1/f O_c &
pid=$!
do_facet mds "sysctl -w lustre.fail_loc=0x80000119"
touch $DIR/$tdir-2/f &
sleep 1
do_facet mds "sysctl -w lustre.fail_loc=0"
kill -USR1 $pid
cancel_lru_locks mdc
wait $pid || return 1
sleep $TIMEOUT
$CHECKSTAT -t file $DIR/$tdir-1/f || return 2
$CHECKSTAT -t file $DIR/$tdir-2/f || return 3
rm -rf $DIR/$tdir-*
}
run_test 21e "drop open reply while close and open are both in flight"
test_21f() {
mkdir -p $DIR/$tdir-1
mkdir -p $DIR/$tdir-2
multiop $DIR/$tdir-1/f O_c &
pid=$!
do_facet mds "sysctl -w lustre.fail_loc=0x80000119"
touch $DIR/$tdir-2/f &
sleep 1
do_facet mds "sysctl -w lustre.fail_loc=0"
do_facet mds "sysctl -w lustre.fail_loc=0x80000122"
kill -USR1 $pid
cancel_lru_locks mdc
wait $pid || return 1
do_facet mds "sysctl -w lustre.fail_loc=0"
$CHECKSTAT -t file $DIR/$tdir-1/f || return 2
$CHECKSTAT -t file $DIR/$tdir-2/f || return 3
rm -rf $DIR/$tdir-*
}
run_test 21f "drop both reply while close and open are both in flight"
test_21g() {
mkdir -p $DIR/$tdir-1
mkdir -p $DIR/$tdir-2
multiop $DIR/$tdir-1/f O_c &
pid=$!
do_facet mds "sysctl -w lustre.fail_loc=0x80000119"
touch $DIR/$tdir-2/f &
sleep 1
do_facet mds "sysctl -w lustre.fail_loc=0"
do_facet mds "sysctl -w lustre.fail_loc=0x80000115"
kill -USR1 $pid
cancel_lru_locks mdc
wait $pid || return 1
do_facet mds "sysctl -w lustre.fail_loc=0"
$CHECKSTAT -t file $DIR/$tdir-1/f || return 2
$CHECKSTAT -t file $DIR/$tdir-2/f || return 3
rm -rf $DIR/$tdir-*
}
run_test 21g "drop open reply and close request while close and open are both in flight"
test_21h() {
mkdir -p $DIR/$tdir-1
mkdir -p $DIR/$tdir-2
multiop $DIR/$tdir-1/f O_c &
pid=$!
do_facet mds "sysctl -w lustre.fail_loc=0x80000107"
touch $DIR/$tdir-2/f &
touch_pid=$!
sleep 1
do_facet mds "sysctl -w lustre.fail_loc=0"
do_facet mds "sysctl -w lustre.fail_loc=0x80000122"
cancel_lru_locks mdc
kill -USR1 $pid
wait $pid || return 1
do_facet mds "sysctl -w lustre.fail_loc=0"
wait $touch_pid || return 2
$CHECKSTAT -t file $DIR/$tdir-1/f || return 3
$CHECKSTAT -t file $DIR/$tdir-2/f || return 4
rm -rf $DIR/$tdir-*
}
run_test 21h "drop open request and close reply while close and open are both in flight"
# bug 3462 - multiple MDC requests
test_22() {
f1=$DIR/${tfile}-1
f2=$DIR/${tfile}-2
do_facet mds "sysctl -w lustre.fail_loc=0x80000115"
multiop $f2 Oc &
close_pid=$!
sleep 1
multiop $f1 msu || return 1
cancel_lru_locks mdc
do_facet mds "sysctl -w lustre.fail_loc=0"
wait $close_pid || return 2
rm -rf $f2 || return 4
}
run_test 22 "drop close request and do mknod"
test_23() { #b=4561
multiop $DIR/$tfile O_c &
pid=$!
# give a chance for open
sleep 5
# try the close
drop_request "kill -USR1 $pid"
fail mds
wait $pid || return 1
return 0
}
run_test 23 "client hang when close a file after mds crash"
test_24() { # bug 2248 - eviction fails writeback but app doesn't see it
mkdir -p $DIR/$tdir
cancel_lru_locks osc
multiop $DIR/$tdir/$tfile Owy_wyc &
MULTI_PID=$!
sleep 0.500s
ost_evict_client
sleep 0.500s
kill -USR1 $MULTI_PID
wait $MULTI_PID
rc=$?
sysctl -w lustre.fail_loc=0x0
client_reconnect
[ $rc -eq 0 ] && error "multiop didn't fail fsync: rc $rc" || true
}
run_test 24 "fsync error (should return error)"
test_26() { # bug 5921 - evict dead exports by pinger
# this test can only run from a client on a separate node.
remote_ost || skip "local OST" && return
remote_mds || skip "local MDS" && return
OST_FILE=$LPROC/obdfilter/${ost1_svc}/num_exports
OST_EXP="`do_facet ost1 cat $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 sysctl -w lustre.fail_loc=0x505
# evictor takes up to 2.25x 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 * 4)) secs
sleep $(($TIMEOUT * 4))
OST_EXP="`do_facet ost1 cat $OST_FILE`"
OST_NEXP2=`echo $OST_EXP | cut -d' ' -f2`
echo ending with $OST_NEXP2 OST exports
do_facet client sysctl -w lustre.fail_loc=0x0
[ $OST_NEXP1 -le $OST_NEXP2 ] && error "client not evicted"
return 0
}
run_test 26 "evict dead exports"
test_26b() { # bug 10140 - evict dead exports by pinger
client_df
zconf_mount `hostname` $MOUNT2 || error "Failed to mount $MOUNT2"
MDS_FILE=$LPROC/mds/${mds_svc}/num_exports
MDS_NEXP1="`do_facet mds cat $MDS_FILE | cut -d' ' -f2`"
OST_FILE=$LPROC/obdfilter/${ost1_svc}/num_exports
OST_NEXP1="`do_facet ost1 cat $OST_FILE | cut -d' ' -f2`"
echo starting with $OST_NEXP1 OST and $MDS_NEXP1 MDS exports
#force umount a client; exports should get evicted
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 * 8)) secs
sleep $(($TIMEOUT * 8))
OST_NEXP2="`do_facet ost1 cat $OST_FILE | cut -d' ' -f2`"
MDS_NEXP2="`do_facet mds cat $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() {
remote_mds && { skip "remote MDS" && return 0; }
mkdir -p $DIR/$tdir
writemany -q -a $DIR/$tdir/$tfile 0 5 &
CLIENT_PID=$!
sleep 1
FAILURE_MODE="SOFT"
facet_failover mds
#define OBD_FAIL_OSC_SHUTDOWN 0x407
sysctl -w lustre.fail_loc=0x80000407
# need to wait for reconnect
echo -n waiting for fail_loc
while [ `sysctl -n lustre.fail_loc` -eq -2147482617 ]; do
sleep 1
echo -n .
done
facet_failover mds
#no crashes allowed!
kill -USR1 $CLIENT_PID
wait $CLIENT_PID
true
}
run_test 27 "fail LOV while using OSC's"
test_28() { # bug 6086 - error adding new clients
do_facet client mcreate $MOUNT/$tfile || return 1
drop_bl_callback "chmod 0777 $MOUNT/$tfile" ||echo "evicted as expected"
#define OBD_FAIL_MDS_ADD_CLIENT 0x12f
do_facet mds sysctl -w lustre.fail_loc=0x8000012f
# fail once (evicted), reconnect fail (fail_loc), ok
df || (sleep 1; df) || (sleep 1; df) || error "reconnect failed"
rm -f $MOUNT/$tfile
fail mds # verify MDS last_rcvd can be loaded
}
run_test 28 "handle error adding new clients (bug 6086)"
test_50() {
mkdir -p $DIR/$tdir
debugsave
sysctl -w lnet.debug="-dlmtrace -ha"
# put a load of file creates/writes/deletes
writemany -a -q $DIR/$tdir/$tfile 0 5 &
CLIENT_PID=$!
echo writemany pid $CLIENT_PID
sleep 10
ps $CLIENT_PID > /dev/null || error "Writemany died 1.1"
FAILURE_MODE="SOFT"
$LCTL mark "$TESTNAME fail mds 1"
fail mds
ps $CLIENT_PID > /dev/null || error "Writemany died 2.1"
# wait for client to reconnect to MDS
sleep 60
ps $CLIENT_PID > /dev/null || error "Writemany died 2.2"
$LCTL mark "$TESTNAME fail mds 2"
fail mds
ps $CLIENT_PID > /dev/null || error "Writemany died 3.1"
sleep 60
ps $CLIENT_PID > /dev/null || error "Writemany died 3.2"
$LCTL mark "$TESTNAME fail mds 3"
fail mds
# client process should see no problems even though MDS went down
ps $CLIENT_PID > /dev/null || error "Writemany died 4.1"
sleep $TIMEOUT
ps $CLIENT_PID > /dev/null || error "Writemany died 4.2"
kill -USR1 $CLIENT_PID
wait $CLIENT_PID
rc=$?
echo writemany returned $rc
#these may fail because of eviction due to slow AST response.
debugrestore
return $rc
}
run_test 50 "failover MDS under load"
test_51() {
mkdir -p $DIR/$tdir
# put a load of file creates/writes/deletes
writemany -a -q $DIR/$tdir/$tfile 0 5 &
CLIENT_PID=$!
sleep 1
FAILURE_MODE="SOFT"
facet_failover mds
# 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
ps $CLIENT_PID > /dev/null || error "Writemany died $i.1"
sleep $i
ps $CLIENT_PID > /dev/null || error "Writemany died $i.1"
$LCTL mark "$TESTNAME fail mds $i"
facet_failover mds
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
return $rc
}
run_test 51 "failover MDS during recovery"
test_52_guts() {
do_facet client "writemany -q -a $DIR/$tdir/$tfile 300 5" &
CLIENT_PID=$!
echo writemany pid $CLIENT_PID
sleep 10
FAILURE_MODE="SOFT"
$LCTL mark "$TESTNAME fail ost $1"
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() {
mkdir -p $DIR/$tdir
test_52_guts 1
rc=$?
[ $rc -ne 0 ] && { return $rc; }
# wait for client to reconnect to OST
sleep 30
test_52_guts 2
rc=$?
[ $rc -ne 0 ] && { return $rc; }
sleep 30
test_52_guts 3
rc=$?
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 mds
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 && { skip "remote OST" && return 0; }
mkdir -p $DIR/$tdir
# first dd should be finished quickly
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=$count)successful"
#define OBD_FAIL_OST_DROP_REQ 0x21d
do_facet ost sysctl -w lustre.fail_loc=0x0000021d
# second dd will be never finished
dd if=/dev/zero of=$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 ost sysctl -w lustre.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 mds sysctl -w lustre.fail_loc=0x80000136
stat $DIR/$tfile
do_facet mds sysctl -w lustre.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 [ -e $LPROC/osc ]; do
for f in `find $LPROC -type f`; do
cat $f > /dev/null 2>&1
done
done
}
test_57() { # bug 10866
test_57_helper &
pid=$!
sleep 1
#define OBD_FAIL_LPROC_REMOVE 0xB00
sysctl -w lustre.fail_loc=0x80000B00
zconf_umount `hostname` $DIR
sysctl -w lustre.fail_loc=0x80000B00
fail_abort mds
kill -9 $pid
sysctl -w lustre.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 $MOUNT/$tfile
ls -la $MOUNT/$tfile
sysctl -w lustre.fail_loc=0x80000801
cp $MOUNT/$tfile /dev/null &
pid=$!
sleep 1
sysctl -w lustre.fail_loc=0
drop_bl_callback rm -f $MOUNT/$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 $MOUNT2"
sysctl -w lustre.fail_loc=0x311
writes=`dd if=/dev/zero of=$DIR2/$tfile count=1 2>&1 | awk 'BEGIN { FS="+" } /out/ {print $1}'`
sysctl -w lustre.fail_loc=0
sync
zconf_umount `hostname` $DIR2 -f
reads=`dd if=$DIR/$tfile of=/dev/null 2>&1 | awk 'BEGIN { FS="+" } /in/ {print $1}'`
[ $reads -eq $writes ] || error "read" $reads "blocks, must be" $writes
}
run_test 59 "Read cancel race on client eviction"
equals_msg `basename $0`: test complete, cleaning up
check_and_cleanup_lustre
[ -f "$TESTSUITELOG" ] && cat $TESTSUITELOG || true