#!/bin/bash
-# vim:shiftwidth=4:softtabstop=4:tabstop=4:
-
+#
# client failure does not affect other clients
# Start load on clients (each client works on it's own directory).
ONLY=${ONLY:-"$*"}
+LUSTRE=${LUSTRE:-$(dirname $0)/..}
+. $LUSTRE/tests/test-framework.sh
+init_test_env "$@"
+init_logging
+
# bug number for skipped test:
ALWAYS_EXCEPT="$RECOVERY_RANDOM_SCALE_EXCEPT"
# UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
-LUSTRE=${LUSTRE:-$(cd $(dirname $0)/..; echo $PWD)}
-. $LUSTRE/tests/test-framework.sh
-init_test_env $@
-. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
-init_logging
+build_test_filter
-remote_mds_nodsh && skip_env "remote MDS with nodsh" && exit 0
-remote_ost_nodsh && skip_env "remote OST with nodsh" && exit 0
+remote_mds_nodsh && skip_env "remote MDS with nodsh"
+remote_ost_nodsh && skip_env "remote OST with nodsh"
-[ -z "$CLIENTS" -o $CLIENTCOUNT -lt 3 ] &&
- skip_env "need three or more clients" && exit 0
+[ $CLIENTCOUNT -lt 3 ] &&
+ skip_env "need three or more clients"
if [ -z "$SHARED_DIRECTORY" ] || ! check_shared_dir $SHARED_DIRECTORY; then
- skip_env "SHARED_DIRECTORY should be specified with a shared directory \
-which is accessable on all of the nodes"
- exit 0
+ skip_env "SHARED_DIRECTORY should be specified with a shared directory \
+which is accessible on all of the nodes"
fi
[[ $FAILURE_MODE = SOFT ]] && \
- log "WARNING: $0 is not functional with FAILURE_MODE = SOFT, bz22797"
+ log "WARNING: $0 is not functional with FAILURE_MODE = SOFT, bz22797"
# Application failures are allowed for the failed client
# but not for other clients.
ERRORS_OK="yes"
if [ "$SLOW" = "no" ]; then
- DURATION=${DURATION:-$((60 * 30))}
+ DURATION=${DURATION:-$((60 * 30))}
else
- DURATION=${DURATION:-$((60 * 60 * 24))}
+ DURATION=${DURATION:-$((60 * 60 * 24))}
fi
SERVER_FAILOVER_PERIOD=${SERVER_FAILOVER_PERIOD:-$((60 * 10))} # 10 minutes
MINSLEEP=${MINSLEEP:-120}
REQFAIL_PERCENT=${REQFAIL_PERCENT:-3} # bug17839 comment 62
-REQFAIL=${REQFAIL:-$((DURATION / SERVER_FAILOVER_PERIOD *
- REQFAIL_PERCENT / 100))}
+# round up the result of integer division: C=(A + (B - 1)) / B
+REQFAIL=${REQFAIL:-$(((DURATION * REQFAIL_PERCENT + (SERVER_FAILOVER_PERIOD *
+ 100 - 1 )) / SERVER_FAILOVER_PERIOD / 100))}
END_RUN_FILE=${END_RUN_FILE:-$SHARED_DIRECTORY/end_run_file}
LOAD_PID_FILE=${LOAD_PID_FILE:-$TMP/client-load.pid}
VMSTAT_PID_FILE=${VMSTAT_PID_FILE:-$TMP/vmstat.pid}
numfailovers () {
- local facet
- local var
-
- for facet in $MDTS ${FAILED_CLIENTS//,/ }; do
- var=${facet}_nums
- val=${!var}
- if [ "$val" ] ; then
- echo "$facet failed over $val times"
- fi
- done
+ local facet
+ local var
+
+ for facet in ${MDTS//,/ } ${FAILED_CLIENTS//,/ }; do
+ var=$(node_var_name $facet)_nums
+ val=${!var}
+ if [ "$val" ] ; then
+ echo "$facet failed over $val times"
+ fi
+ done
}
summary_and_cleanup () {
- local rc=$?
- trap 0
+ local rc=$?
- # Having not empty END_RUN_FILE means the failed loads only
- if [ -s $END_RUN_FILE ]; then
- print_end_run_file $END_RUN_FILE
- rc=1
- fi
+ # Having not empty END_RUN_FILE means the failed loads only
+ if [ -s $END_RUN_FILE ]; then
+ print_end_run_file $END_RUN_FILE
+ rc=1
+ fi
- echo $(date +'%F %H:%M:%S') Terminating clients loads ...
- echo "$0" >> $END_RUN_FILE
- local result=PASS
- [ $rc -eq 0 ] || result=FAIL
+ echo $(date +'%F %H:%M:%S') Terminating clients loads ...
+ echo "$0" >> $END_RUN_FILE
+ local result=PASS
+ [ $rc -eq 0 ] || result=FAIL
- log "Duration: $DURATION
+ log "Duration: $DURATION
Server failover period: $SERVER_FAILOVER_PERIOD seconds
Exited after: $ELAPSED seconds
Number of failovers before exit:
$(numfailovers)
Status: $result: rc=$rc"
- # stop vmstat on OSS nodes
- [ "$VMSTAT" ] && stop_process $(comma_list $(osts_nodes)) $VMSTAT_PID_FILE
+ # stop vmstat on OSS nodes
+ [ "$VMSTAT" ] &&
+ stop_process $(comma_list $(osts_nodes)) $VMSTAT_PID_FILE
- # stop the client loads
- stop_client_loads $NODES_TO_USE $LOAD_PID_FILE
+ # stop the client loads
+ stop_client_loads $NODES_TO_USE $LOAD_PID_FILE
- if [ $rc -ne 0 ]; then
- # we are interested in only on failed clients and servers
- local failedclients=$(cat $END_RUN_FILE | grep -v $0)
- # FIXME: need ostfailover-s nodes also for FLAVOR=OST
- gather_logs $(comma_list $(osts_nodes) $(mdts_nodes) \
- $mdsfailover_HOST $failedclients)
- fi
+ if [ $rc -ne 0 ]; then
+ # we are interested in only on failed clients and servers
+ local failedclients=$(cat $END_RUN_FILE | grep -v $0)
+ gather_logs $(comma_list $(all_server_nodes) $failedclients)
+ fi
- exit $rc
+ exit $rc
}
################################## Main Flow ###################################
-build_test_filter
-
check_and_setup_lustre
rm -rf $DIR/[Rdfs][0-9]*
NODES_TO_USE=${NODES_TO_USE:-$CLIENTS}
NODES_TO_USE=$(exclude_items_from_list $NODES_TO_USE $HOSTNAME)
-check_progs_installed $NODES_TO_USE ${CLIENT_LOADS[@]}
+check_progs_installed $NODES_TO_USE "${CLIENT_LOADS[@]}"
MDTS=$(get_facets MDS)
# Fail a random client and then failover a random MDS.
test_fail_client_mds() {
- local fail_client
- local serverfacet
- local client_var
- local var
-
- trap summary_and_cleanup EXIT INT
-
- # start vmstat on OSS nodes
- [ "$VMSTAT" ] && start_vmstat $(comma_list $(osts_nodes)) $VMSTAT_PID_FILE
-
- # start client loads
- rm -f $END_RUN_FILE
- start_client_loads $NODES_TO_USE
-
- echo client loads pids:
- do_nodesv $NODES_TO_USE "cat $LOAD_PID_FILE" || exit 3
-
- ELAPSED=0
- local sleep=0
- local reqfail=0
- local it_time_start
- local start_ts=$(date +%s)
- local current_ts=$start_ts
-
- while [ $ELAPSED -lt $DURATION -a ! -e $END_RUN_FILE ]; do
- # In order to perform the
- # expected number of failovers, we need to account the following:
- # 1) the time that has elapsed during the client load checking
- # 2) time takes for failover
- it_time_start=$(date +%s)
-
- fail_client=$(get_random_entry $NODES_TO_USE)
- client_var=$(node_var_name $fail_client)_nums
-
- # store the list of failed clients
- # lists are comma separated
- FAILED_CLIENTS=$(expand_list $FAILED_CLIENTS $fail_client)
-
- serverfacet=$(get_random_entry $MDTS)
- var=${serverfacet}_nums
-
- # Check that our client loads are still running. If any have died,
- # that means they have died outside of recovery, which is unacceptable.
- log "==== Checking the clients loads BEFORE failover -- failure NOT OK \
- ELAPSED=$ELAPSED DURATION=$DURATION PERIOD=$SERVER_FAILOVER_PERIOD"
- check_client_loads $NODES_TO_USE || exit 4
-
- log "FAIL CLIENT $fail_client..."
- shutdown_client $fail_client
-
- log "Starting failover on $serverfacet"
- facet_failover "$serverfacet" || exit 1
-
- if ! wait_recovery_complete $serverfacet; then
- echo "$serverfacet recovery is not completed!"
- exit 7
- fi
-
- boot_node $fail_client
- echo "Reintegrating $fail_client"
- zconf_mount $fail_client $MOUNT || exit $?
- client_up $fail_client || exit $?
-
- # Increment the number of failovers
- val=$((${!var} + 1))
- eval $var=$val
- val=$((${!client_var} + 1))
- eval $client_var=$val
-
- # load script on failed clients could create END_RUN_FILE
- # We shuold remove it and ignore the failure if this
- # file contains the failed client only.
- # We can not use ERRORS_OK when start all loads at the start of
- # this script because the application errors allowed for random
- # failed client only, but not for all clients.
- if [ -e $END_RUN_FILE ]; then
- local end_run_node
- read end_run_node < $END_RUN_FILE
- [[ $end_run_node = $fail_client ]] &&
- rm -f $END_RUN_FILE || exit 13
- fi
-
- restart_client_loads $fail_client $ERRORS_OK || exit $?
-
- # Check that not failed clients loads are still running.
- # No application failures should occur on clients that were not failed.
- log "==== Checking the clients loads AFTER failed client reintegrated \
--- failure NOT OK"
- if ! ERRORS_OK= check_client_loads \
- $(exclude_items_from_list $NODES_TO_USE $fail_client); then
- log "Client load failed. Exiting..."
- exit 5
- fi
-
- current_ts=$(date +%s)
- ELAPSED=$((current_ts - start_ts))
- sleep=$((SERVER_FAILOVER_PERIOD - (current_ts - it_time_start)))
-
- # Keep counting the number of iterations when
- # time spent to failover and two client loads check exceeded
- # the value ( SERVER_FAILOVER_PERIOD - MINSLEEP ).
- if [ $sleep -lt $MINSLEEP ]; then
- reqfail=$((reqfail + 1))
- log "WARNING: failover, client reintegration and \
+ local fail_client
+ local serverfacet
+ local client_var
+ local var
+
+ stack_trap summary_and_cleanup EXIT INT
+
+ # start vmstat on OSS nodes
+ [ "$VMSTAT" ] &&
+ start_vmstat $(comma_list $(osts_nodes)) $VMSTAT_PID_FILE
+
+ # start client loads
+ rm -f $END_RUN_FILE
+ start_client_loads $NODES_TO_USE
+
+ echo client loads pids:
+ do_nodesv $NODES_TO_USE "cat $LOAD_PID_FILE" || exit 3
+
+ ELAPSED=0
+ local it_time_start
+ local sleep=0
+ local reqfail=0
+ local start_ts=$(date +%s)
+ local current_ts=$start_ts
+
+ while [ $ELAPSED -lt $DURATION -a ! -e $END_RUN_FILE ]; do
+ # In order to perform the
+ # expected number of failovers, we need to account the
+ # following:
+ # 1) the time that has elapsed during the client load checking
+ # 2) time takes for failover
+ it_time_start=$(date +%s)
+
+ fail_client=$(get_random_entry $NODES_TO_USE)
+ client_var=$(node_var_name $fail_client)_nums
+
+ # store the list of failed clients
+ # lists are comma separated
+ FAILED_CLIENTS=$(expand_list $FAILED_CLIENTS $fail_client)
+
+ serverfacet=$(get_random_entry $MDTS)
+ var=$(node_var_name $serverfacet)_nums
+
+ # Check that our client loads are still running. If any have
+ # died, that means they have died outside of recovery, which
+ # is unacceptable.
+ log "==== Checking clients loads BEFORE failover -- failure NOT OK \
+ ELAPSED=$ELAPSED DURATION=$DURATION \
+ PERIOD=$SERVER_FAILOVER_PERIOD"
+ check_client_loads $NODES_TO_USE || exit 4
+
+ log "FAIL CLIENT $fail_client..."
+ shutdown_client $fail_client
+
+ log "Starting failover on $serverfacet"
+ facet_failover "$serverfacet" || exit 1
+
+ if ! wait_recovery_complete $serverfacet; then
+ echo "$serverfacet recovery is not completed!"
+ exit 7
+ fi
+
+ boot_node $fail_client
+ echo "Reintegrating $fail_client"
+ zconf_mount $fail_client $MOUNT || exit $?
+ client_up $fail_client || exit $?
+
+ # Increment the number of failovers
+ val=$((${!var} + 1))
+ eval $var=$val
+ val=$((${!client_var} + 1))
+ eval $client_var=$val
+
+ # load script on failed clients could create END_RUN_FILE
+ # We shuold remove it and ignore the failure if this
+ # file contains the failed client only.
+ # We can not use ERRORS_OK when start all loads at the start of
+ # this script because the application errors allowed for random
+ # failed client only, but not for all clients.
+ if [ -e $END_RUN_FILE ]; then
+ local end_run_node
+ read end_run_node < $END_RUN_FILE
+ [[ $end_run_node = $fail_client ]] &&
+ rm -f $END_RUN_FILE || exit 13
+ fi
+
+ restart_client_loads $fail_client $ERRORS_OK || exit $?
+
+ # Check that not failed clients loads are still running.
+ # No application failures should occur on clients that were
+ # not failed.
+ log "==== Checking clients loads AFTER failed client reintegrated \
+ -- failure NOT OK"
+ if ! ERRORS_OK= check_client_loads \
+ $(exclude_items_from_list $NODES_TO_USE $fail_client); then
+ log "Client load failed. Exiting..."
+ exit 5
+ fi
+
+ current_ts=$(date +%s)
+ ELAPSED=$((current_ts - start_ts))
+ sleep=$((SERVER_FAILOVER_PERIOD - (current_ts - it_time_start)))
+
+ # Keep counting the number of iterations when
+ # time spent to failover and two client loads check exceeded
+ # the value ( SERVER_FAILOVER_PERIOD - MINSLEEP ).
+ if [ $sleep -lt $MINSLEEP ]; then
+ reqfail=$((reqfail + 1))
+ log "WARNING: failover, client reintegration and \
check_client_loads time exceeded SERVER_FAILOVER_PERIOD - MINSLEEP!
Failed to load the filesystem with I/O for a minimum period of \
$MINSLEEP $reqfail times ( REQFAIL=$REQFAIL ).
Probably the hardware is taking excessively long time to boot.
Try to increase SERVER_FAILOVER_PERIOD (current is $SERVER_FAILOVER_PERIOD), \
bug 20918"
- [ $reqfail -gt $REQFAIL ] && exit 6
- fi
+ [ $reqfail -gt $REQFAIL ] && exit 6
+ fi
- log "Number of failovers:
+ log "Number of failovers:
$(numfailovers) and counting..."
- [ $((ELAPSED + sleep)) -ge $DURATION ] && break
+ [ $((ELAPSED + sleep)) -ge $DURATION ] && break
- if [ $sleep -gt 0 ]; then
- echo "sleeping $sleep seconds... "
- sleep $sleep
- fi
- done
- exit 0
+ if [ $sleep -gt 0 ]; then
+ echo "sleeping $sleep seconds... "
+ sleep $sleep
+ fi
+ done
+ exit 0
}
run_test fail_client_mds "fail client, then failover MDS"
zconf_mount $HOSTNAME $MOUNT || error "mount $MOUNT on $HOSTNAME failed"
client_up || error "start client on $HOSTNAME failed"
-complete $(basename $0) $SECONDS
+complete $SECONDS
check_and_cleanup_lustre
exit_status
git://git.whamcloud.com / fs / lustre-release.git / blobdiff