LUSTRE=${LUSTRE:-$(dirname $0)/..}
. $LUSTRE/tests/test-framework.sh
-init_test_env $@
+init_test_env "$@"
init_logging
# bug number for skipped test:
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"
-[ $CLIENTCOUNT -lt 3 ] &&
- skip_env "need three or more clients" && exit 0
+(( $CLIENTCOUNT < 3 )) &&
+ skip_env "need three or more clients"
+# SHARED_DIRECTORY should be specified with a shared directory which is
+# accessable on all of the nodes
if [ -z "$SHARED_DIRECTORY" ] || ! check_shared_dir $SHARED_DIRECTORY; then
- skip_env "SHARED_DIRECTORY should be specified with a shared directory \
-which is accessable on all of the nodes"
- exit 0
+ skip_env "SHARED_DIRECTORY not set"
fi
ERRORS_OK="" # No application failures should occur during this test.
if [ "$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
LOAD_PID_FILE=${LOAD_PID_FILE:-$TMP/client-load.pid}
VMSTAT_PID_FILE=${VMSTAT_PID_FILE:-$TMP/vmstat.pid}
+run_info() {
+ local oput=echo
+
+ $oput "******* Run Information *******"
+ $oput "SERVER_FAILOVER_PERIOD:$1"
+ $oput "DURATION:$2"
+ $oput "MINSLEEP:$3"
+ $oput "SLOW:$4"
+ $oput "REQFAIL:$5"
+ $oput "SHARED_DIRECTORY:$6"
+ $oput "END_RUN_FILE:$7"
+ $oput "LOAD_PID_FILE:$8"
+ $oput "VMSTAT_PID_FILE:$9"
+ $oput "CLIENTCOUNT:$10"
+ $oput "MDTS:$11"
+ $oput "OSTS:$12"
+ $oput "*******************************"
+}
+
server_numfailovers () {
- local facet=$1
- local var=${facet}_numfailovers
- local val=0
+ local facet=$1
+ local var=${facet}_numfailovers
+ local val=0
- [[ ${!var} ]] && val=${!var}
- echo $val
+ [[ ${!var} ]] && val=${!var}
+ echo $val
}
servers_numfailovers () {
- local facet
- local var
+ local facet
+ local var
- for facet in ${MDTS//,/ } ${OSTS//,/ }; do
- echo "$facet: $(server_numfailovers $facet) times"
- done
+ for facet in ${MDTS//,/ } ${OSTS//,/ }; do
+ echo "$facet: $(server_numfailovers $facet) times"
+ done
}
summary_and_cleanup () {
- local rc=$?
- trap 0
-
- # 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
-
- log "Duration: $DURATION
-Server failover period: $SERVER_FAILOVER_PERIOD seconds
-Exited after: $ELAPSED seconds
-Number of failovers before exit:
-$(servers_numfailovers)
-Status: $result: rc=$rc"
-
- # 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
-
- if [ $rc -ne 0 ]; then
+ local rc=$?
+
+ # 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
+
+ echo $(date +'%F %H:%M:%S') Terminating clients loads ...
+ echo "$0" >> $END_RUN_FILE
+ local result=PASS
+ (( $rc == 0 )) || result=FAIL
+
+ log "Duration: $DURATION"
+ log "Server failover period: $SERVER_FAILOVER_PERIOD seconds"
+ log "Exited after: $ELAPSED seconds"
+ log "Number of failovers before exit:"
+ log "$(servers_numfailovers)"
+ log "Status: $result: rc=$rc"
+
+ # 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
+
+ if (( $rc != 0 )); then
# we are interested in only on failed clients and servers
local failedclients=$(cat $END_RUN_FILE | grep -v $0)
gather_logs $(comma_list $(all_server_nodes) $failedclients)
fi
- exit $rc
+ exit $rc
}
failover_target() {
- local flavor=${1:-"MDS"}
- local servers
- local serverfacet
- local var
-
- [ "$flavor" = "MDS" ] && servers=$MDTS || servers=$OSTS
-
- trap summary_and_cleanup EXIT INT
-
- # start vmstat on OSS nodes
- [ "$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)
-
- serverfacet=$(get_random_entry $servers)
- var=${serverfacet}_numfailovers
-
- # 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 "Wait $serverfacet recovery complete before doing next failover..."
- if ! wait_recovery_complete $serverfacet; then
- echo "$serverfacet recovery is not completed!"
- exit 7
- fi
+ local flavor=${1:-"MDS"}
+ local servers
+ local serverfacet
+ local var
+
+ [ "$flavor" = "MDS" ] && servers=$MDTS || servers=$OSTS
+
+ 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 $LOAD_PID_FILE" || exit 3
+
+ ELAPSED=0
+ local sleep=0
+ local reqfail=0
+ local it_time_start
+ local start_ts=$(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)
+
+ serverfacet=$(get_random_entry $servers)
+ var=${serverfacet}_numfailovers
+
+ # Check that our client loads are still running. If any have
+ # died, that means they have died outside of recovery, which
+ # is unacceptable.
+ log "==== Check clients loads BEFORE failover -- failure NOT OK \
+ ELAPSED=$ELAPSED DURATION=$DURATION \
+ PERIOD=$SERVER_FAILOVER_PERIOD"
+ check_client_loads $NODES_TO_USE || exit 4
+
+ log "Wait $serverfacet recovery complete before next failover"
+ if ! wait_recovery_complete $serverfacet; then
+ echo "$serverfacet recovery is not completed!"
+ exit 7
+ fi
local want="FULL\|IDLE"
log "Checking clients are in $want state before next failover"
wait_clients_import_state $NODES_TO_USE $serverfacet "$want" ||
- echo "Client import not $want, please consider to increase SERVER_FAILOVER_PERIOD=$SERVER_FAILOVER_PERIOD!"
-
- log "Starting failover on $serverfacet"
- facet_failover "$serverfacet" || exit 1
-
- # Check that our client loads are still running during failover.
- # No application failures should occur.
- log "==== Checking the clients loads AFTER failover -- failure NOT OK"
- if ! check_client_loads $NODES_TO_USE; then
- log "Client load failed during failover. Exiting..."
- exit 5
- fi
-
- # Increment the number of failovers.
- val=$((${!var} + 1))
- eval $var=$val
-
- 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 and two 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 ).
-This iteration, the load was only applied for sleep=$sleep seconds.
-Estimated max recovery time: $MAX_RECOV_TIME
-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 $REQFAIL ] && exit 6
- fi
-
- log "$serverfacet has failed over ${!var} times, and counting..."
-
- [ $((ELAPSED + sleep)) -ge $DURATION ] && break
-
- if [ $sleep -gt 0 ]; then
- echo "sleeping $sleep seconds... "
- sleep $sleep
- fi
- done
- exit 0
+ echo "Client import not $want, please consider to" \
+ "increase SERVER_FAILOVER_PERIOD=" \
+ "$SERVER_FAILOVER_PERIOD!"
+
+ log "Starting failover on $serverfacet"
+ facet_failover "$serverfacet" || exit 1
+
+ # Check that our client loads are still running during failover.
+ # No application failures should occur.
+ log "==== Check clients loads AFTER failover -- failure NOT OK"
+ if ! check_client_loads $NODES_TO_USE; then
+ log "Client load failed during failover. Exiting..."
+ exit 5
+ fi
+
+ # Increment the number of failovers.
+ val=$((${!var} + 1))
+ eval $var=$val
+
+ 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 < $MINSLEEP )); then
+ reqfail=$((reqfail + 1))
+
+ cat <<- END_WARN
+ WARNING: failover and two check_client_loads time exceeded: SERVER_FAILOVER_PERIOD - MINSLEEP!
+ Failed loading I/O for a min period of $MINSLEEP $reqfail times (REQFAIL=$REQFAIL)
+ This iteration, load only applied for sleep=$sleep seconds.
+ Estimated max recovery time: $MAX_RECOV_TIME
+ Probably hardware is taking excessively long time to boot.
+ Try increasing SERVER_FAILOVER_PERIOD (current is $SERVER_FAILOVER_PERIOD), bug 20918
+ END_WARN
+ (( $reqfail > $REQFAIL )) && exit 6
+ fi
+
+ log "$serverfacet failed over ${!var} times, and counting..."
+
+ [ $((ELAPSED + sleep)) -ge $DURATION ] && break
+
+ if (( $sleep > 0 )); then
+ echo "sleeping $sleep seconds... "
+ sleep $sleep
+ fi
+ done
+ exit 0
}
################################## Main Flow ###################################
check_and_setup_lustre
rm -rf $DIR/[Rdfs][0-9]*
+
MAX_RECOV_TIME=$(max_recovery_time)
# The test node needs to be insulated from a lustre failure as much as possible,
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=$(get_facets MDS)
OSTS=$(get_facets OST)
+# Print informaiton about settings
+run_info $SERVER_FAILOVER_PERIOD $DURATION $MINSLEEP $SLOW $REQFAIL \
+ $SHARED_DIRECTORY $END_RUN_FILE $LOAD_PID_FILE $VMSTAT_PID_FILE \
+ $CLIENTCOUNT $MDTS $OSTS
+
test_failover_mds() {
- # failover a random MDS
- failover_target MDS
+ # failover a random MDS
+ failover_target MDS
}
run_test failover_mds "failover MDS"
test_failover_ost() {
- # failover a random OST
- failover_target OST
+ # failover a random OST
+ failover_target OST
}
run_test failover_ost "failover OST"
git://git.whamcloud.com / fs / lustre-release.git / commitdiff