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LU-11504 tests: trigger lfsck after/during failover/failback
[fs/lustre-release.git] / lustre / tests / ha.sh
index 1360d0c..0c47ed6 100755 (executable)
@@ -174,6 +174,17 @@ declare     ha_fail_file=$ha_tmp_dir/fail
 declare     ha_status_file_prefix=$ha_tmp_dir/status
 declare -a  ha_status_files
 declare     ha_machine_file=$ha_tmp_dir/machine_file
+declare     ha_lfsck_log=$ha_tmp_dir/lfsck.log
+declare     ha_lfsck_lock=$ha_tmp_dir/lfsck.lock
+declare     ha_lfsck_stop=$ha_tmp_dir/lfsck.stop
+declare     ha_lfsck_bg=${LFSCK_BG:-false}
+declare     ha_lfsck_after=${LFSCK_AFTER:-false}
+declare     ha_lfsck_node=${LFSCK_NODE:-""}
+declare     ha_lfsck_device=${LFSCK_DEV:-""}
+declare     ha_lfsck_types=${LFSCK_TYPES:-"namespace layout"}
+declare     ha_lfsck_custom_params=${LFSCK_CUSTOM_PARAMS:-""}
+declare     ha_lfsck_wait=${LFSCK_WAIT:-1200}
+declare     ha_lfsck_fail_on_repaired=${LFSCK_FAIL_ON_REPAIRED:-false}
 declare     ha_power_down_cmd=${POWER_DOWN:-"pm -0"}
 declare     ha_power_up_cmd=${POWER_UP:-"pm -1"}
 declare     ha_power_delay=${POWER_DELAY:-60}
@@ -341,6 +352,15 @@ ha_sleep()
     sleep $n || true
 }
 
+ha_wait_unlock()
+{
+       local lock=$1
+
+       while [ -e $lock ]; do
+               sleep 1
+       done
+}
+
 ha_lock()
 {
     local lock=$1
@@ -531,6 +551,117 @@ ha_start_nonmpi_loads()
     done
 }
 
+ha_lfsck_bg () {
+       rm -f $ha_lfsck_log
+       rm -f $ha_lfsck_stop
+
+       ha_info "LFSCK BG"
+       while [ true ]; do
+               [ -f $ha_lfsck_stop ] && ha_info "LFSCK stopped" && break
+               [ -f $ha_stop_file ] &&
+                       ha_info "$ha_stop_file found! LFSCK not started" &&
+                       break
+               ha_start_lfsck 2>&1 | tee -a $ha_lfsck_log
+               sleep 1
+       done &
+       LFSCK_BG_PID=$!
+       ha_info LFSCK BG PID: $LFSCK_BG_PID
+}
+
+ha_wait_lfsck_completed () {
+       local -a status
+       local -a types=($ha_lfsck_types)
+       local type
+       local s
+
+       local nodes="${ha_servers[@]}"
+       nodes=${nodes// /,}
+
+       # -A start LFSCK on all nodes
+       # -t default all
+       [ ${#types[@]} -eq 0 ] && types=(namespace layout)
+       ha_info "Waiting LFSCK completed in $ha_lfsck_wait sec: types ${types[@]}"
+       for type in ${types[@]}; do
+               eval var_$type=0
+               for (( i=0; i<=ha_lfsck_wait; i++)); do
+                       status=($(ha_on $nodes lctl get_param -n *.*.lfsck_$type 2>/dev/null | \
+                               awk '/status/ { print $3 }'))
+                       for (( s=0; s<${#status[@]}; s++ )); do
+                               # "partial" is expected after HARD failover
+                               [[ "${status[s]}" = "completed" ]] ||
+                               [[ "${status[s]}" = "partial" ]] ||  break
+                       done
+                       [[ $s -eq ${#status[@]} ]] && eval var_$type=1 && break
+                       sleep 1
+               done
+               ha_info "LFSCK $type status in $i sec:"
+               ha_on $nodes lctl get_param -n *.*.lfsck_$type 2>/dev/null | grep status
+
+       done
+
+       for type in ${types[@]}; do
+               local var=var_$type
+               ha_on $nodes lctl get_param -n *.*.lfsck_$type 2>/dev/null
+               [[ ${!var} -eq 1 ]] ||
+                       { ha_info "lfsck not completed in $ha_lfsck_wait sec";
+                       return 1; }
+       done
+       return 0
+}
+
+ha_start_lfsck()
+{
+       local -a types=($ha_lfsck_types)
+       local rc=0
+
+       # -A: start LFSCK on all nodes via the specified MDT device
+       # (see "-M" option) by single LFSCK command
+       local params=" -A -r $ha_lfsck_custom_params"
+
+       # use specified device if set
+       [ -n "$ha_lfsck_device" ] && params="-M $ha_lfsck_device $params"
+
+       # -t: check type(s) to be performed (default all)
+       # check only specified types if set
+       if [ ${#types[@]} -ne 0 ]; then
+               local type="${types[@]}"
+               params="$params -t ${type// /,}"
+       fi
+
+       ha_info "LFSCK start $params"
+       ha_on $ha_lfsck_node "lctl lfsck_start $params" || rc=1
+       if [ $rc -ne 0 ]; then
+               if [ -e $ha_lfsck_lock ]; then
+                       rc=0
+                       ha_wait_unlock $ha_lfsck_lock
+                       ha_sleep 120
+                       ha_on $ha_lfsck_node "lctl lfsck_start $params" || rc=1
+               fi
+       fi
+
+       [ $rc -eq 0 ] ||
+               { touch "$ha_fail_file"; touch "$ha_stop_file";
+               touch $ha_lfsck_stop; return 1; }
+
+       ha_wait_lfsck_completed ||
+               { touch "$ha_fail_file"; touch "$ha_stop_file";
+               touch $ha_lfsck_stop; return 1; }
+
+       return 0
+}
+
+ha_lfsck_repaired()
+{
+       local n=0
+
+       n=$(cat $ha_lfsck_log | awk '/repaired/ {print $3}' |\
+               awk '{sum += $1} END { print sum }')
+       [ $n -eq 0] ||
+               { ha_info "Total repaired: $n";
+               touch "$ha_fail_file"; return 1; }
+       return 0
+}
+
 ha_start_loads()
 {
     trap ha_trap_stop_signals $ha_stop_signals
@@ -591,6 +722,11 @@ ha_power_down()
        local rc=1
        local i
 
+       if $ha_lfsck_bg && [[ ${nodes//,/ /} =~ $ha_lfsck_node ]]; then
+               ha_info "$ha_lfsck_node down, delay start LFSCK"
+               ha_lock $ha_lfsck_lock
+       fi
+
        ha_info "Powering down $nodes"
        for i in $(seq 1 5); do
                $ha_power_down_cmd $nodes && rc=0 && break
@@ -672,6 +808,7 @@ ha_failback()
        }
 
        $ha_failback_cmd $nodes
+       [ -e $ha_lfsck_lock ] && ha_unlock $ha_lfsck_lock || true
 }
 
 ha_summarize()
@@ -741,6 +878,8 @@ ha_main()
        ha_on ${ha_clients[0]} " \
                $LFS setstripe $ha_stripe_params $ha_test_dir"
 
+       $ha_lfsck_bg && ha_lfsck_bg
+
        ha_start_loads
        ha_wait_loads
 
@@ -753,6 +892,13 @@ ha_main()
 
        ha_stop_loads
 
+       $ha_lfsck_after && ha_start_lfsck | tee -a $ha_lfsck_log
+
+       $ha_lfsck_fail_on_repaired && ha_lfsck_repaired
+
+       # true because of lfsck_bg could be stopped already
+       $ha_lfsck_bg && wait $LFSCK_BG_PID || true
+
        if [ -e "$ha_fail_file" ]; then
                exit 1
        else