+show_namespace() {
+ local idx=$1
+
+ do_facet mds${idx} \
+ "$LCTL get_param -n mdd.$(facet_svc mds${idx}).lfsck_namespace"
+}
+
+namespace_test_one() {
+ echo "***** Start namespace LFSCK on all devices at: $(date) *****"
+ $RLCTL lfsck_start -M ${MDT_DEV} -t namespace -A -r || return 21
+
+ for n in $(seq $MDSCOUNT); do
+ wait_update_facet mds${n} "$LCTL get_param -n \
+ mdd.$(facet_svc mds${n}).lfsck_namespace |
+ awk '/^status/ { print \\\$2 }'" "completed" $WTIME || {
+ show_namespace ${n}
+ return 22
+ }
+ done
+ echo "***** End namespace LFSCK on all devices at: $(date) *****"
+
+ for n in $(seq $MDSCOUNT); do
+ show_namespace ${n}
+
+ local SPEED=$(show_namespace ${n} |
+ awk '/^average_speed_total/ { print $2 }')
+ echo
+ echo "lfsck_namespace speed on MDS_${n} is $SPEED objs/sec"
+ echo
+ done
+}
+
+namespace_gen_one() {
+ local idx1=$1
+ local idx2=$2
+ local idx3=$(((idx1 + 1) % MDSCOUNT))
+ local base_mntpt="/mnt/lustre_lfsck_${idx1}"
+ local show_dir="$LFSCKDIR/${idx1}/${idx2}"
+ local work_dir="${base_mntpt}_0/$tdir/${idx1}/${idx2}"
+
+ mkdir $show_dir || return 20
+
+ local count=$((UNIT * 78 / 100)) # 78% regular files
+ local sub_count=$((count / NTHREADS))
+ echo "Creating $count regular files under $show_dir at: $(date)"
+ for ((m = 0; m < $NTHREADS; m++)); do
+ local sub_dir="${base_mntpt}_${m}/$tdir/${idx1}/${idx2}"
+
+ createmany -o ${sub_dir}/f_${m}_ $sub_count > /dev/null &
+ done
+
+ wait || {
+ error_noexit "(21) Fail to gen regular files under $show_dir"
+ return 21
+ }
+
+ count=$((UNIT * 3 / 100)) # 3% local sub-dirs
+ echo "Creating $count local sub-dirs under $show_dir at: $(date)"
+ createmany -d $work_dir/d_l_ $count > /dev/null || {
+ error_noexit "(22) Fail to gen local sub-dir under $show_dir"
+ return 22
+ }
+
+ # 3% * 5 = 15% regular files under local sub-dirs
+ echo "Creating 5 regular files under each local sub-dir at: $(date)"
+ for ((m = 0; m < $count; m++)); do
+ createmany -o $work_dir/d_l_${m}/f_l_ 5 > /dev/null || {
+ error_noexit \
+ "(23) Fail to gen regular under $work_dir/d_l_${m}"
+ return 23
+ }
+ done
+
+ count=$((UNIT * 4 / 1000)) # 0.4% multiple hard-links
+ echo "Creating $count multiple hard-links under $show_dir at: $(date)"
+ for ((m = 0; m < $count; m++)); do
+ ln $work_dir/f_0_${m} $work_dir/f_m_${m} || {
+ error_noexit \
+ "(24) Fail to hardlink to $work_dir/f_0_${m}"
+ return 24
+ }
+ done
+
+ count=$((UNIT * 3 / 1000)) # 0.3% remote sub-dirs
+ echo "Creating $count remote sub-dirs under $show_dir, and 4 regular" \
+ "files under each remote sub-dir at: $(date)"
+ for ((m = 0; m < $count; m++)); do
+ $LFS mkdir -i ${idx3} $work_dir/d_r_${m} || {
+ error_noexit \
+ "(25) Fail to remote mkdir $work_dir/d_r_${m}"
+ return 25
+ }
+
+ # 0.3% * 4 = 1.2% regular files under remote sub-dirs
+ createmany -o $work_dir/d_r_${m}/f_r_ 4 > /dev/null || {
+ error_noexit \
+ "(26) Fail to gen regular under $work_dir/d_r_${m}"
+ return 26
+ }
+ done
+
+ # 0.3% 2-striped sub-dirs + 0.6% shards of the 2-striped sub-dirs
+ count=$((UNIT * 3 / 1000))
+ echo "Creating $count 2-striped sub-dirs under $show_dir," \
+ "and 4 regular files under each striped sub-dir at: $(date)"
+ for ((m = 0; m < $count; m++)); do
+ $LFS setdirstripe -i ${idx1} -c 2 -t all_char \
+ $work_dir/d_s_${m} || {
+ error_noexit \
+ "(27) Fail to make striped-dir $work_dir/d_s_${m}"
+ return 27
+ }
+
+ # 0.3% * 4 = 1.2% regular files under striped sub-dirs
+ createmany -o $work_dir/d_s_${m}/f_s_ 4 > /dev/null || {
+ error_noexit \
+ "(28) Fail to gen regular under $work_dir/d_s_${m}"
+ return 28
+ }
+ done
+}
+
+namespace_gen_mdt() {
+ local mdt_idx=$1
+ local dir_cnt=$2
+ local base_mntpt="/mnt/lustre_lfsck_${mdt_idx}"
+
+ $LFS mkdir -i ${mdt_idx} $LFSCKDIR/${mdt_idx} || return 10
+
+ for ((m = 0; m < $NTHREADS; m++)); do
+ local mntpt="${base_mntpt}_${m}"
+
+ mkdir -p $mntpt || {
+ umount ${base_mntpt}_*
+ error_noexit "(11) Fail to mkdir $mntpt"
+ return 11
+ }
+
+ mount_client $mntpt || {
+ umount ${base_mntpt}_*
+ error_noexit "(12) Fail to mount $mntpt"
+ return 12
+ }
+ done
+
+ for ((l = 0; l < $dir_cnt; l++)); do
+ namespace_gen_one ${mdt_idx} ${l}
+ done
+
+ umount ${base_mntpt}_*
+}
+
+namespace_gen_set() {
+
+ local cnt=$1
+
+ echo "##### Start generate test set for subdirs=$cnt at: $(date) #####"
+ for ((k = 0; k < $MDSCOUNT; k++)); do
+ namespace_gen_mdt ${k} ${cnt} &
+ done
+ wait
+ echo "##### End generate test set for subdirs=$cnt at: $(date) #####"
+}
+
+t7_test() {
+ local local_loc=$1
+ local saved_mdscount=$MDSCOUNT
+
+ [ $MDSCOUNT -le 8 ] ||
+ error "Too much MDT, test data set on each MDT may be unbalance"
+
+ echo "stopall"
+ stopall > /dev/null || error "(1) Fail to stopall"
+
+ LFSCKDIR="$DIR/$tdir"
+ for ((i = 2; i <= $saved_mdscount; i = $((i + 2)))); do
+ MDSCOUNT=${i}
+
+ echo "+++++ Start cycle mdscount=$MDSCOUNT at: $(date) +++++"
+ echo
+
+ for ((j = $MINSUBDIR; j <= $MAXSUBDIR;
+ j = $((j + MINSUBDIR)))); do
+ echo "formatall"
+ formatall > /dev/null ||
+ error "(2) Fail to formatall, subdirs=${j}"
+
+ echo "setupall"
+ setupall > /dev/null ||
+ error "(3) Fail to setupall, subdirs=${j}"
+
+ mkdir $LFSCKDIR ||
+ error "(4) mkdir $LFSCKDIR, subdirs=${j}"
+
+ $LFS setstripe -c 1 -i -1 $LFSCKDIR ||
+ error "(5) Fail to setstripe on $LFSCKDIR"
+
+ do_nodes $(comma_list $(mdts_nodes)) \
+ $LCTL set_param fail_loc=$local_loc
+
+ local RC=0
+ namespace_gen_set ${j} || RC=$?
+ [ $RC -eq 0 ] ||
+ error "(6) generate set $RC, subdirs=${j}"
+
+ RC=0
+ namespace_test_one || RC=$?
+ [ $RC -eq 0 ] ||
+ error "(7) LFSCK failed with $RC, subdirs=${j}"
+
+ do_nodes $(comma_list $(mdts_nodes)) \
+ $LCTL set_param fail_loc=0
+ done
+
+ echo "stopall"
+ stopall > /dev/null || error "(8) Fail to stopall"
+
+ echo
+ echo "----- Stop cycle mdscount=$MDSCOUNT at: $(date) -----"
+ done
+
+ MDSCOUNT=$saved_mdscount
+}
+
+test_7a() {
+ t7_test 0
+}
+run_test 7a "namespace LFSCK performance (routine check) without load for DNE"
+
+test_7b() {
+ echo "Inject failure stub to simulate the case of lost linkEA"
+ #define OBD_FAIL_LFSCK_NO_LINKEA 0x161d
+ t7_test 0x161d
+}
+run_test 7b "namespace LFSCK performance (repairing lost linkEA) for DNE"
+
+test_7c() {
+ echo "Inject failure stub to simulate the case of bad FID-in-dirent"
+ #define OBD_FAIL_FID_INDIR 0x1501
+ t7_test 0x1501
+}
+run_test 7c "namespace LFSCK performance (repairing bad FID-in-dirent) for DNE"
+
+test_8() {
+ [ $MDSCOUNT -lt 2 ] &&
+ skip "We need at least 2 MDSes for this test" && return
+
+ [ $INCFACTOR -gt 25 ] && INCFACTOR=25
+
+ echo "stopall"
+ stopall > /dev/null || error "(1) Fail to stopall"
+
+ local saved_mdscount=$MDSCOUNT
+
+ LFSCKDIR="$DIR/$tdir"
+ MDSCOUNT=2
+ echo "formatall"
+ formatall > /dev/null || error "(2) Fail to formatall"
+
+ echo "setupall"
+ setupall > /dev/null || error "(3) Fail to setupall"
+
+ mkdir $LFSCKDIR || error "(4) Fail to mkdir $LFSCKDIR"
+
+ $LFS setstripe -c 1 -i 0 $LFSCKDIR ||
+ error "(5) Fail to setstripe on $LFSCKDIR"
+
+ local RC=0
+ namespace_gen_set $TOTSUBDIR || RC=$?
+ [ $RC -eq 0 ] ||
+ error "(6) Fail to generate set $RC, subdirs=$TOTSUBDIR"
+
+ echo
+ echo "***** Start namespace LFSCK at: $(date) *****"
+ $RLCTL lfsck_start -M ${MDT_DEV} -t namespace -A -r ||
+ error "(7) Fail to start namespace LFSCK"
+
+ for n in $(seq $MDSCOUNT); do
+ wait_update_facet mds${n} "$LCTL get_param -n \
+ mdd.$(facet_svc mds${n}).lfsck_namespace |
+ awk '/^status/ { print \\\$2 }'" "completed" $WTIME || {
+ show_namespace ${n}
+ error "(8) namespace LFSCK cannot finished in time"
+ }
+ done
+ echo "***** End namespace LFSCK at: $(date) *****"
+
+ local SPEED=$(show_namespace 1 |
+ awk '/^average_speed_phase1/ { print $2 }')
+ echo "lfsck_namespace full_speed is $SPEED objs/sec"
+ echo
+
+ local inc_count=$((BASE_COUNT * INCFACTOR / 100))
+ local nfiles=$((inc_count / 2))
+ local m=0
+
+ lfsck_attach
+
+ local stime=$(date +%s)
+ lfsck_fast_create $nfiles ${m} $NTHREADS ||
+ lfsck_detach_error "(9) Fail to create files"
+ local etime=$(date +%s)
+ echo "created $nfiles without lfsck_namespace run back-ground used" \
+ "$((etime - stime)) seconds"
+ echo
+
+ for ((m = nfiles, n = $INCFACTOR; n < 100;
+ m = $((m + inc_count)), n = $((n + INCFACTOR)))); do
+ local sl=$((SPEED * n / 100))
+
+ $STOP_LFSCK > /dev/null 2>&1
+ echo "start lfsck_namespace with speed ${sl} at: $(date)"
+ $RLCTL lfsck_start -M ${MDT_DEV} -t namespace -A -r -s ${sl} ||
+ lfsck_detach_error \
+ "(10) Fail to start lfsck_namespace with speed ${sl}"
+
+ stime=$(date +%s)
+ lfsck_fast_create $nfiles ${m} $NTHREADS ||
+ lfsck_detach_error "(11) Fail to create files"
+ etime=$(date +%s)
+ echo "created $nfiles with namespace LFSCK run with the" \
+ "speed limit of ${n}% of full speed used" \
+ "$((etime - stime)) seconds"
+ echo
+ done
+
+ $STOP_LFSCK > /dev/null 2>&1
+ echo "start lfsck_namespace with full speed at: $(date)"
+ $RLCTL lfsck_start -M ${MDT_DEV} -t namespace -A -r -s 0 ||
+ lfsck_detach_error \
+ "(12) Fail to start lfsck_namespace with full speed"
+
+ stime=$(date +%s)
+ lfsck_fast_create $nfiles ${m} $NTHREADS ||
+ lfsck_detach_error "(13) Fail to create files"
+ etime=$(date +%s)
+ echo "created $nfiles with namespace LFSCK run with full speed used" \
+ "$((etime - stime)) seconds"
+ echo
+
+ $STOP_LFSCK > /dev/null 2>&1
+
+ lfsck_detach
+
+ echo "stopall"
+ stopall > /dev/null || error "(14) Fail to stopall"
+
+ MDSCOUNT=$saved_mdscount
+}
+run_test 8 "lfsck namespace impact on create performance"
+
git://git.whamcloud.com / fs / lustre-release.git / commitdiff