#!/bin/bash
-# vim:shiftwidth=4:softtabstop=4:tabstop=4:
-
+#
# Was Test 11 in cmd3.
# For duration of 24 hours repeatedly failover a random MDS at
# 10 minute intervals and verify that no application errors occur.
ONLY=${ONLY:-"$*"}
-# bug number for skipped test:
-ALWAYS_EXCEPT="$RECOVERY_MDS_SCALE_EXCEPT"
-# UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
-
-LUSTRE=${LUSTRE:-$(cd $(dirname $0)/..; echo $PWD)}
+LUSTRE=${LUSTRE:-$(dirname $0)/..}
. $LUSTRE/tests/test-framework.sh
-init_test_env $@
-. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
+. $LUSTRE/tests/recovery-scale-lib.sh
+init_test_env "$@"
init_logging
-remote_mds_nodsh && skip_env "remote MDS with nodsh" && exit 0
-remote_ost_nodsh && skip_env "remote OST with nodsh" && exit 0
-
-[ -z "$CLIENTS" -o $CLIENTCOUNT -lt 3 ] &&
- skip_env "need three or more clients" && exit 0
+# bug number for skipped test:
+ALWAYS_EXCEPT="$RECOVERY_MDS_SCALE_EXCEPT "
+# UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
-if [ -z "$SHARED_DIRECTORY" ] || ! check_shared_dir $SHARED_DIRECTORY; then
- skip_env "SHARED_DIRECTORY should be specified with a shared directory \
-which is accessable on all of the nodes"
- exit 0
-fi
+build_test_filter
-ERRORS_OK="" # No application failures should occur during this test.
+remote_mds_nodsh && skip_env "remote MDS with nodsh"
-if [ "$SLOW" = "no" ]; then
- DURATION=${DURATION:-$((60 * 30))}
-else
- DURATION=${DURATION:-$((60 * 60 * 24))}
+if (( CLIENTCOUNT < 3 )); then
+ skip_env "need three or more clients"
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))}
-
-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}
-
-server_numfailovers () {
- local facet=$1
- local var=${facet}_numfailovers
- local val=0
-
- [[ ${!var} ]] && val=${!var}
- echo $val
-}
-
-servers_numfailovers () {
- local facet
- local var
- 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 [ $rc -ne 0 ]; then
- # we are interested in only on failed clients and servers
- local failedclients=$(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
-
- 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
-
- log "Checking clients are in FULL state before doing next failover..."
- if ! wait_clients_import_state $NODES_TO_USE $serverfacet FULL; then
- echo "Clients import not FULL, please consider to increase \
-SERVER_FAILOVER_PERIOD=$SERVER_FAILOVER_PERIOD!"
- fi
-
- 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 $sleep
- fi
- done
- exit 0
-}
+# SHARED_DIRECTORY should be specified with a shared directory which is
+# accessable on all of the nodes
+if [[ -z "$SHARED_DIRECTORY" ]] || ! check_shared_dir "$SHARED_DIRECTORY"; then
+ skip_env "SHARED_DIRECTORY not set"
+fi
-################################## Main Flow ###################################
-build_test_filter
+ERRORS_OK="" # No application failures should occur during this test.
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,
-# so not even loading the lustre modules is ideal.
-# -- umount lustre
-# -- remove hostname from clients list
-zconf_umount $HOSTNAME $MOUNT
-NODES_TO_USE=${NODES_TO_USE:-$CLIENTS}
-NODES_TO_USE=$(exclude_items_from_list $NODES_TO_USE $HOSTNAME)
-
-check_progs_installed $NODES_TO_USE ${CLIENT_LOADS[@]}
+insulate_clients
+check_progs_installed $NODES_TO_USE "${CLIENT_LOADS[@]}"
+MAX_RECOV_TIME=$(max_recovery_time)
MDTS=$(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
-}
-run_test failover_ost "failover OST"
-
zconf_mount $HOSTNAME $MOUNT || error "mount $MOUNT on $HOSTNAME failed"
client_up || error "start client on $HOSTNAME failed"
-complete $(basename $0) $SECONDS
+complete_test $SECONDS
check_and_cleanup_lustre
exit_status
git://git.whamcloud.com / fs / lustre-release.git / blobdiff