# ...or...
# echo_client instances (set 'client_names')
# ... use 'host:name' for obd instances on other nodes.
-
# allow these to be passed in via string...
-ost_names_str=${ost_names_str:-""}
-if [ -n "$ost_names_str" ]; then
- declare -a ost_names
- count=0
- for name in $ost_names_str; do
- ost_names[$count]=$name
- count=$((count+1))
- done
-else
- ost_names=(ost{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16})
-fi
-
-#client_names=(ns8:ECHO_ns8 ns9:ECHO_ns9)
-client_names_str=${client_names_str:-""}
-if [ -n "$client_names_str" ]; then
- # make sure we unset ost_names so that our client_names get noticed...
- unset ost_names
- declare -a client_names
- count=0
- for name in $client_names_str; do
- client_names[$count]=$name
- count=$((count+1))
- done
-fi
-
+# OR
+# one can specify only case=disk or case=network or case=netdisk through
+# command line.
+
+# Perquisite: For "disk" case and "netdisk" case you need to have lustre setup
+# with one or more ost's. For "network" case you need to have all
+# modules (those llmount.sh loades) loaded in kernel. And the
+# 'lctl dl' output must be blank.
+
+# How to run test:
+# case 1 (local disk):
+# $ nobjhi=2 thrhi=2 size=1024 case=disk sh obdfilter-survey
+# one can also run test with user defined targets as follows,
+# $ nobjhi=2 thrhi=2 size=1024 targets="lustre-OST0000 lustre-OST0001 ..." sh obdfilter-survey
+# case 2 (network):
+# $ nobjhi=2 thrhi=2 size=1024 targets="<name/ip_of_server>" case=network sh obdfilter-survey
+# where, targets is name or ip address of system, which you want to
+# set as server.
+# case 3 (network and disk):
+# $ nobjhi=2 thrhi=2 size=1024 case=netdisk sh obdfilter-survey
+# one can also run test with user defined targets as follows,
+# $ nobjhi=2 thrhi=2 size=1024 targets="<osc_name> ..." sh obdfilter-survey
+#[ NOTE: It is advised to have automated login (passwordless entry) between server and
+# client systems on which this test runs.]
+
+# include library
+source libecho
+
+# The following variables can be set in the environment, or on the
+# command line
# result file prefix (date/time + hostname makes unique)
# NB ensure path to it exists
-rslt=${rslt:-"/tmp/obdfilter_survey_`date +%F@%R`_`uname -n`"}
-
-# lustre root (if running with own source tree)
-# lustre_root=${lustre_root:-"/my/directory/lustre"}
-
-# what tests to run (first must be write)
-tests_str=${tests_str:-""}
-if [ -n "$tests_str" ]; then
- declare -a tests
- count=0
- for name in $tests_str; do
- tests[$count]=$name
- count=$((count+1))
- done
-else
- #tests=(write rewrite read reread rewrite_again)
- tests=(write rewrite read)
-fi
+rslt_loc=${rslt_loc:-"/tmp"}
+rslt=${rslt:-"$rslt_loc/obdfilter_survey_`date +%F@%R`_`uname -n`"}
# Set this true to check file contents
-verify=0
+verify=${verify:-0}
# total size (MBytes) per obd instance
# large enough to avoid cache effects
# and to make test startup/shutdown overhead insignificant
size=${size:-16384}
-# record size (KBytes)
+# record size (KBytes) ( 7168 max)
rszlo=${rszlo:-1024}
rszhi=${rszhi:-1024}
# number of objects per OST
nobjlo=${nobjlo:-1}
-nobjhi=${nobjhi:-512}
+#was nobjhi=${nobjhi:-512}
+nobjhi=${nobjhi:-16}
# threads per OST (1024 max)
thrlo=${thrlo:-1}
-thrhi=${thrhi:-64}
-
-# restart from here iff all are defined
-restart_rsz=
-restart_thr=1
-restart_nobj=1
-
-# machine's page size (K)
-if [ -z "$PAGE_SIZE" ]; then
- if which python >/dev/null; then
- PAGE_SIZE=`echo 'import resource; print resource.getpagesize()/1024;' |python`
- fi
-fi
-PAGE_SIZE=${PAGE_SIZE:-4}
-
-# max buffer_mem (total_threads * buffer size)
-# (to avoid lctl ENOMEM problems)
-max_buffer_mem=$((1024*1024))
-
-# how to run commands on other nodes
-# You need to make this work on your cluster if you have specified
-# non-local obd instances above
-custom_remote_shell () {
- host=$1
- shift
- cmds="$*"
- here=`pwd`
- # Hop on to the remote node, chdir to 'here' and run the given
- # commands. One of the following will probably work.
- ssh $host "cd $here; $cmds"
- #rsh $host "cd $here; $cmds"
- # we have to remove the leading `uname -n`: from pdsh output lines
- #pdsh -w $host "cd $here; $cmds" | sed 's/^[^:]*://'
-}
-
-#####################################################################
-# leave the rest of this alone unless you know what you're doing...
-
-# binaries
-lsmod="/sbin/lsmod"
-modprobe="/sbin/modprobe"
-insmod="/sbin/insmod"
-rmmod="/sbin/rmmod"
-
-# lctl::test_brw bandwidth snapshot interval (seconds)
-snap=1
+thrhi=${thrhi:-16}
+# End of variables
-if [ ${#tests[@]} -eq 0 -o "${tests[0]}" != "write" ]; then
- echo "tests: ${tests[@]}"
- echo "First test must be 'write'" 1>&2
- exit 1
-fi
-
-rsltf="${rslt}.summary"
-workf="${rslt}.detail"
-cmdsf="${rslt}.script"
-vmstatf="${rslt}.vmstat"
-echo -n > $rsltf
-echo -n > $workf
-
-declare -a vmstatpids
-
-# hide a little trick to unset this from the command line
-if [ "$lustre_root" == " " ]; then
- unset lustre_root
-fi
-
-if [ -z "$lustre_root" ]; then
- lctl=lctl
-else
- lctl=${lustre_root}/utils/lctl
-fi
-
-remote_shell () {
- host=$1
- shift
- cmds="$*"
- if [ "$host" = "localhost" -o "$host" = `uname -n` ]; then
- eval "$cmds"
- else
- custom_remote_shell $host "$cmds"
- fi
-}
-
-obdecho_loaded() {
- local host=$1
- remote_shell $host $lsmod | grep obdecho > /dev/null 2>&1
-}
-
-load_obdecho () {
- local host=$1
- if [ -z "$lustre_root" ]; then
- remote_shell $host $modprobe obdecho
- elif [ -f ${lustre_root}/obdecho/obdecho.ko ]; then
- remote_shell $host $insmod ${lustre_root}/obdecho/obdecho.ko
- else
- remote_shell $host $insmod ${lustre_root}/obdecho/obdecho.o
- fi
-}
-
-unload_obdecho () {
- local host=$1
- remote_shell $host $rmmod obdecho
-}
-
-get_devno () {
- local host=$1
- local type=$2
- local name=$3
- remote_shell $host $lctl device_list | \
- awk "{if (\$2 == \"UP\" && \$3 == \"$type\" && \$4 == \"$name\") {\
- print \$1; exit}}"
-}
-
-get_ec_devno () {
- local host=$1
- local client_name="$2"
- local ost_name="$3"
- if [ -z "$client_name" ]; then
- if [ -z "$ost_name" ]; then
- echo "client and ost name both null" 1>&2
- return
- fi
- client_name=${ost_name}_echo_client
- fi
- ec=`get_devno $host echo_client $client_name`
- if [ -n "$ec" ]; then
- echo $ec $client_name 0
- return
- fi
- if [ -z "$ost_name" ]; then
- echo "no echo client and ost_name not set, client: $client_name, host: $host" 1>&2
- return
- fi
- ost=`get_devno $host obdfilter $ost_name`
- if [ -z "$ost" ]; then
- echo "OST $ost_name not setup" 1>&2
- return
- fi
- remote_shell $host "$lctl <<EOF
- attach echo_client $client_name ${client_name}_UUID
- setup $ost_name
-EOF"
- ec=`get_devno $host echo_client $client_name`
- if [ -z "$ec" ]; then
- echo "Can't setup echo client" 1>&2
- return
- fi
- echo $ec $client_name 1
-}
-
-teardown_ec_devno () {
- local host=$1
- local client_name=$2
- remote_shell $host "$lctl <<EOF
- cfg $client_name
- cleanup
- detach
-EOF"
-}
-
+# create a set of objects, check there are 'n' contiguous ones and
+# return the first or 'ERROR'
+# parameter: 1. hostname
+# 2. device number
+# 3. number of object to be created (specified by user)
+# 4. tempfile name
create_objects () {
- # create a set of objects, check there are 'n' contiguous ones and
- # return the first or 'ERROR'
local host=$1
local devno=$2
local nobj=$3
echo "ERROR"
elif [ $error -ne 0 ]; then
echo "ERROR: non contiguous objs found" >&2
- echo "ERROR"
else
echo $first
fi
}
+# destroys all objects created in create_objects routine
+# parameter: 3. start obj id.
destroy_objects () {
local host=$1
local devno=$2
get_stats () {
local rfile=$1
- awk < $rfile \
+ gawk < $rfile \
'/^Selected device [0-9]+$/ {n = 0; next}\
/error/ {n = -1; exit}\
/^[0-9]+\/[0-9]+ Total: [0-9]+\.[0-9]+\/second$/ {n++; v=strtonum($3); \
printf "%d %f %f\n", err, min, max}'
}
+# enable or disable data check.
+# parameter: 1. read/write
testname2type () {
# 'x' disables data check
if ((verify)); then
print_summary () {
if [ "$1" = "-n" ]; then
- minusn=$1; shift
+ minusn=$1; shift
else
- minusn=""
+ minusn=""
fi
echo $minusn "$*" >> $rsltf
echo $minusn "$*"
}
-unique () {
- echo "$@" | xargs -n1 echo | sort -u
-}
+# Customisation variables
+#####################################################################
+# One can change variable values in this section as per requirements
-split_hostname () {
- local name=$1
- case $name in
- *:*) host=`echo $name | sed 's/:.*$//'`
- name=`echo $name | sed 's/[^:]*://'`
- ;;
- *) host=localhost
- ;;
- esac
- echo "$host $name"
-}
+targets=${targets:-""}
+case=${case:-"disk"}
+if [ -n "$targets" ]; then
+ declare -a ost_names
+ declare -a client_names
+ count=0
+ for name in $targets; do
+ if [ $case == "disk" ]; then
+ ost_names[$count]=$name
+ else
+ client_names[$count]=$name
+ fi
+ count=$((count+1))
+ done
+fi
-# split out hostnames from client/ost names
-ndevs=${#client_names[@]}
-if ((ndevs != 0)); then
- if ((${#ost_names[@]} != 0)); then
- echo "Please specify client_names or ost_names, but not both" 1>&2
- exit 1
- fi
- for ((i=0; i<ndevs;i++)); do
- str=(`split_hostname ${client_names[$i]}`)
- host_names[$i]=${str[0]}
- client_names[$i]=${str[1]}
+# what tests to run (first must be write)
+tests_str=${tests_str:-""}
+if [ -n "$tests_str" ]; then
+ declare -a tests
+ count=0
+ for name in $tests_str; do
+ tests[$count]=$name
+ count=$((count+1))
done
else
- ndevs=${#ost_names[@]}
- if ((ndevs == 0)); then
- echo "Please specify either client_names or ost_names" 1>&2
- exit 1
+ #tests=(write rewrite read reread rewrite_again)
+ tests=(write rewrite read)
+fi
+
+# restart from here iff all are defined
+restart_rsz=
+restart_thr=1
+restart_nobj=1
+
+# machine's page size (K)
+if [ -z "$PAGE_SIZE" ]; then
+ if which python >/dev/null; then
+ PAGE_SIZE=`echo 'import resource; print resource.getpagesize()/1024;' |python`
fi
- for ((i=0; i<ndevs;i++)); do
- str=(`split_hostname ${ost_names[$i]}`)
- host_names[$i]=${str[0]}
- ost_names[$i]=${str[1]}
- done
fi
+PAGE_SIZE=${PAGE_SIZE:-4}
+
+# max buffer_mem (total_threads * buffer size)
+# (to avoid lctl ENOMEM problems)
+max_buffer_mem=$((1024 * 1024))
+snap=1
+clean_srv_OSS=0
+# Customisation variables ends here.
+#####################################################################
+# leave the rest of this alone unless you know what you're doing...
+# check and insert obdecho module
+if ! lsmod | grep obdecho > /dev/null; then
+ modprobe obdecho
+fi
+if [ ${#tests[@]} -eq 0 -o "${tests[0]}" != "write" ]; then
+ echo "tests: ${tests[@]}"
+ echo "First test must be 'write'" 1>&2
+ exit 1
+fi
+
+rsltf="${rslt}.summary"
+workf="${rslt}.detail"
+cmdsf="${rslt}.script"
+vmstatf="${rslt}.vmstat"
+echo -n > $rsltf
+echo -n > $workf
+
+# hide a little trick to unset this from the command line
+if [ "$lustre_root" == " " ]; then
+ unset lustre_root
+fi
+
+if [ -z "$lustre_root" ]; then
+ lctl=lctl
+else
+ lctl=${lustre_root}/utils/lctl
+fi
+
+# split out hostnames from client/ost names
+ndevs=0
+for trgt in $targets; do
+ str=(`split_hostname $trgt`)
+ host_names[$ndevs]=${str[0]}
+ client_names[$ndevs]=${str[1]}
+ ndevs=$((ndevs+1))
+done
+if [ $case == "netdisk" ]; then
+ if [ "$targets" ]; then
+ for ((i = 0; i < $ndevs; i++)); do
+ setup_osc_for_remote_ost ${host_names[$i]} \
+ ${client_names[$i]} $i
+ osc_name=${client_names[$i]}_osc
+ ec_using_osc $osc_name
+ cleanup_oscs="$cleanup_oscs $osc_name"
+ done
+ else
+ client_names_str=$($lctl dl | grep -v mdt | \
+ awk '{if ($2 == "UP" && $3 == "osc") {print $4} }')
+ count=0;
+ for name in $client_names_str; do
+ client_names[$count]=`echo $name | sed 's/-osc-.*$//'`
+ count=$((count+1))
+ done
+
+ host_names_str=$($lctl dl -t | grep -v mdt | \
+ awk '{if ($2 == "UP" && $3 == "osc") {print $7} }')
+ count=0;
+ for name in $host_names_str; do
+ host_names[$count]=`echo $name | sed 's/@.*$//'`
+ count=$((count+1))
+ done
+
+ for (( i = 0; i < $count; i++ )) do
+ setup_osc_for_remote_ost ${host_names[$i]} \
+ ${client_names[$i]} $i
+ osc_name=${client_names[$i]}_osc
+ ec_using_osc $osc_name
+ cleanup_oscs="$cleanup_oscs $osc_name"
+ done
+ fi
+
+ echo_clients=$($lctl dl | grep echo_client | awk "{if (\$2 == \"UP\" && \$3 == \"echo_client\") {print \$4} }")
+ cnt=0;
+ for name in $echo_clients; do
+ client_names[$cnt]=$name
+ host_names[$cnt]=localhost
+ cnt=$((cnt+1))
+ done
+ ndevs=${#client_names[@]}
+fi
+if [ $case == "network" ]; then
+ server_nid=$targets
+ if [ -z "$server_nid" ]; then
+ echo "Specify hostname or ip-address of server"
+ exit 1;
+ fi
+ # check for obdecho module on server
+ if ! dsh $server_nid root "lsmod | grep obdecho > /dev/null"; then
+ dsh $server_nid root "modprobe obdecho"
+ fi
+ # Now do the server setup
+ setup_srv_obd $server_nid "echo_srv"
+ oss_on_srv=`dsh $server_nid root "$lctl dl | grep OSS" | awk '{ print $4 }'`
+ if [ -z $oss_on_srv ]; then
+ setup_OSS $server_nid
+ clean_srv_OSS=1
+ fi
+ if ! dsh $server_nid root "$lctl dl | grep obdecho > /dev/null 2>&1"; then
+ echo "obdecho not setup on server"
+ exit 1
+ fi
+ if ! dsh $server_nid root "$lctl dl | grep ost > /dev/null 2>&1"; then
+ echo "ost not setup on server"
+ exit 1
+ fi
+ # Now start client setup
+ osc_names_str=$($lctl dl| grep osc | grep -v mdt | grep UP)
+ if [ -n "$osc_names_str" ]; then
+ echo "The existing setup must be cleaned";
+ exit 0;
+ fi
+ ec_using_srv_nid $server_nid "echotmp" "echotmp_UUID"
+ client_names[0]="echotmp_ecc"
+fi
+if [ -z "$targets" ]; then
+ if [ $case == "disk" ]; then
+ get_targets
+ ndevs=${#ost_names[@]}
+ fi
+fi
# get vmstat started
-# disable LNET debug and get obdecho loaded on all relevant hosts
+# disable portals debug and get obdecho loaded on all relevant hosts
unique_hosts=(`unique ${host_names[@]}`)
pidcount=0
for host in ${unique_hosts[@]}; do
- remote_shell $host "echo 0 > /proc/sys/lnet/debug"
host_vmstatf=${vmstatf}_${host}
echo -n > $host_vmstatf
remote_shell $host "vmstat 5 >> $host_vmstatf" &
echo "Can't load obdecho on $host" 1>&2
exit 1
done
-
# get all the echo_client device numbers and names
-for ((i=0; i<ndevs; i++)); do
+for ((i=0; i < $ndevs; i++)); do
host=${host_names[$i]}
devno=(`get_ec_devno $host "${client_names[$i]}" "${ost_names[$i]}"`)
if ((${#devno[@]} != 3)); then
client_names[$i]=${devno[1]}
do_teardown_ec[$i]=${devno[2]}
done
-
-for ((rsz=$rszlo;rsz<=$rszhi;rsz*=2)); do
- for ((nobj=$nobjlo;nobj<=$nobjhi;nobj*=2)); do
- for ((thr=$thrlo;thr<=$thrhi;thr*=2)); do
+if (($ndevs <= 0 || ${#host_names[@]} <= 0)); then
+ echo "no devices or hosts specified"
+ cleanup 0 $clean_srv_OSS $cleanup_oscs
+fi
+print_summary "$(date) Obdfilter-survey for case=$case from $(hostname)"
+for ((rsz = $rszlo; rsz <= $rszhi; rsz*=2)); do
+ for ((nobj = $nobjlo; nobj <= $nobjhi; nobj*=2)); do
+ for ((thr = $thrlo; thr <= $thrhi; thr*=2)); do
if ((thr % nobj)); then
continue
fi
actual_size=$((actual_rsz*count*thr))
total_size=$((actual_size*ndevs))
# show computed parameters
- str=`printf 'ost %2d sz %8dK rsz %4d obj %4d thr %4d ' \
+ str=`printf 'ost %2d sz %8dK rsz %4dK obj %4d thr %4d ' \
$ndevs $total_size $actual_rsz $total_nobj $total_thr`
echo "=======================> $str" >> $workf
print_summary -n "$str"
fi
# create the objects
tmpf="${workf}_tmp"
- for ((idx=0; idx < ndevs; idx++)); do
+ for ((idx = 0; idx < $ndevs; idx++)); do
host=${host_names[$idx]}
devno=${devnos[$idx]}
client_name="${host}:${client_names[$idx]}"
for host in ${unique_hosts[@]}; do
echo -n > ${cmdsf}_${host}
done
- for ((idx=0; idx < ndevs; idx++)); do
+ for ((idx = 0; idx < $ndevs; idx++)); do
host=${host_names[$idx]}
devno=${devnos[$idx]}
tmpfi="${tmpf}_$idx"
t0=`date +%s.%N`
pidcount=0
for host in ${unique_hosts[@]}; do
- # brutal hack to deal with a non-shared /tmp
- scp -q ${cmdsf}_${host} ${host}:/tmp > /dev/null
- remote_shell $host bash ${cmdsf}_${host} &
+ remote_shell $host bash < ${cmdsf}_${host} &
pidarray[$pidcount]=$!
pidcount=$((pidcount+1))
done
for host in ${unique_hosts[@]}; do
rm ${cmdsf}_${host}
done
+
# compute bandwidth from total data / elapsed time
str=`awk "BEGIN {printf \"%7.2f \",\
$total_size / (( $t1 - $t0 ) * 1024)}"`
print_summary -n "$str"
# collect/check individual OST stats
echo -n > $tmpf
- for ((idx=0; idx < ndevs; idx++)); do
+ for ((idx = 0; idx < $ndevs; idx++)); do
client_name="${host_names[$idx]}:${client_names[$idx]}"
tmpfi="${tmpf}_$idx"
echo "=============> $test $client_name" >> $workf
host="${host_names[$idx]}"
- scp -q ${host}:$tmpfi $tmpfi > /dev/null
- cat $tmpfi >> $workf
+ remote_shell $host cat $tmpfi >> $workf
get_stats $tmpfi >> $tmpf
rm $tmpfi
done
done
print_summary ""
# destroy objects we created
- for ((idx=0; idx < ndevs; idx++)); do
+ for ((idx = 0; idx < $ndevs; idx++)); do
host=${host_names[$idx]}
devno=${devnos[$idx]}
client_name="${host}:${client_names[$idx]}"
done
done
done
-
-# tear down any echo clients we created
-for ((i=0; i<ndevs; i++)); do
- host=${host_names[$i]}
- if ((${do_teardown_ec[$i]})); then
- teardown_ec_devno $host ${client_names[$i]}
- fi
-done
-
-# unload any obdecho modules we loaded
-pidcount=0
-for host in ${unique_hosts[@]}; do
- remote_shell $host "killall vmstat" &
- pid=$!
- kill -term ${vmstatpids[$pidcount]}
- kill -kill ${vmstatpids[$pidcount]} 2>/dev/null
- wait $pid
- pidcount=$((pidcount+1))
- if ((${do_unload_obdecho[$host]})); then
- unload_obdecho $host
- fi
-done
-
+cleanup 0 $clean_srv_OSS $cleanup_oscs
exit 0