#!/bin/bash
-# cluster name (expect all node names to be this followed by a number)
+# cluster name (all node names are this followed by the node number)
cluster=mdev
# client node numbers (individual numbers or inclusive ranges)
# numbers of tasks per client to survey
tasks_per_client_lo=1
-tasks_per_client_hi=16
-tasks_per_client_iterator="*=4"
+tasks_per_client_hi=8
+tasks_per_client_iterator="*=2"
# record sizes to survey
rsize_lo=1M
rsize_iterator="*=2"
## which tests to run (first must be write)
-# remount) not really a test; just remount to uncache everything
+# clear_cache) not really a test; just uncache everything
# *write*) write
# *) read
#tests=(write rewrite read reread rewrite_again)
-tests=(write rewrite remount read)
+tests=(write rewrite clear_cache read reread)
# total # bytes written/read by any client node
-min_per_client_size=75M
-min_total_size=100M
+min_per_client_size=4G
+min_total_size=8G
# should each task do I/O to its own file?
file_per_task=1
-# the IOR binary
-IOR="/home/ericb/ior/src/C/IOR"
-
-# the pdsh binary
+# the binaries
+IOR=/usr/local/sbin/IOR
+llmount=llmount
pdsh=pdsh
-# the llmount binary
-llmount=/home/ericb/lustre/utils/llmount
+# the result file prefix (date/time + hostname makes unique)
+rslt=/tmp/ior_survey_`date +%F@%R`_`uname -n`
# where lustre is mounted on the clients
lustre=/mnt/lustre
# basename of the test file(s)
testfile=${lustre}/ior_survey_testfile
-# how to unmount and remount the F/S on a client (to clear the cache)
-remount="umount $lustre && $llmount -o nettype=elan mdev6:/ll_mds/client $lustre"
-
-# the result file prefix (date/time + hostname makes unique)
-#rslt=/home/ericb/ior_survey_`date +%F@%R`_`uname -n`
-rslt=/home/ericb/ior_survey
+# pdsh args required to instantiate all instances of IOR in parallel
+# the chosen module must support '-n <procs-per-node>'
+# -R<module>, -f<fanout> etc
+pdsh_mpiargs="-Rmqsh"
#don't spin for MPI completions
export LIBELAN_WAITTYPE=0
################################################################################
-# dont change stuff below here
+# dont change stuff below here unless you know what you're doing...
count_range() {
echo $1 | awk '{ nvals=split($1, vals, "-");\
}
idx2nodenum() {
- n=$1; shift
+ local n=$1; shift
while ((1)); do
- range=$1; shift
+ local range=$1; shift
if [ -z "$range" ]; then
return
fi
}
n2noderange() {
- n=$1; shift
+ local n=$1; shift
sep=""
nodes="["
while ((n > 0)); do
- range=$1; shift
+ local range=$1; shift
if [ -z "$range" ]; then
return
fi
- base=`base_range $range`
- chunk=`count_range $range`
+ local base=`base_range $range`
+ local chunk=`count_range $range`
if ((chunk > n)); then chunk=n; fi
- nodes="${nodes}${sep}${base}"; sep=","
+ local nodes="${nodes}${sep}${base}"; sep=","
if ((chunk > 1)); then nodes="${nodes}-$((base+chunk-1))"; fi
n=$((n-chunk))
done
}
countnodes() {
- radix=16384
- n=0
+ local radix=16384
+ local n=0
while ((radix > 0)); do
- nodes=`n2noderange $((n+radix)) $@`
+ local nodes=`n2noderange $((n+radix)) $@`
if [ -n "$nodes" ]; then
n=$((n+radix))
fi
}
parse_number() {
- str=$1
+ local str=$1
case $str in
*G|*g) n=`echo $str | sed 's/[gG]//'`; echo $((n*1024*1024*1024));;
*M|*m) n=`echo $str | sed 's/[Mm]//'`; echo $((n*1024*1024));;
}
pp_number() {
- n=$1
- G=$((1024*1024*1024))
- M=$((1024*1024))
- K=$((1024))
+ local n=$1
+ local G=$((1024*1024*1024))
+ local M=$((1024*1024))
+ local K=$((1024))
if ((n%G == 0 && n >= G)); then
echo "$((n/G))G"
elif ((n%M == 0 && n >= M)); then
fi
rsltf="${rslt}.summary"
-iorcf="${rslt}.script"
workf="${rslt}.detail"
-tmpf="${workf}_tmp"
-
echo -n > $rsltf
echo -n > $workf
echo $minusn "$*"
}
+# convert params to actual numbers
min_per_client_size=`parse_number $min_per_client_size`
min_total_size=`parse_number $min_total_size`
rsize_lo=`parse_number $rsize_lo`
rsize_hi=`parse_number $rsize_hi`
+# check on actual numbers of client nodes
nclients=`countnodes ${clients[@]}`
-
if ((clients_hi > nclients)); then clients_hi=$nclients; fi
for ((rsize=rsize_lo; rsize<=rsize_hi; rsize$rsize_iterator)); do
if ((per_client_size < min_per_client_size)); then
per_client_size=$min_per_client_size
fi
- total_size=`pp_number $((per_client_size * nclnt))`
for ((ntask=tasks_per_client_lo; ntask <= tasks_per_client_hi; ntask$tasks_per_client_iterator)); do
per_task_size=$((per_client_size/ntask))
+ if ((per_task_size%rsize != 0)); then
+ per_task_size=$(((per_task_size/rsize + 1)*rsize))
+ fi
+ total_size=`pp_number $((per_task_size*nclnt*ntask))`
- hdrstr=`printf "Total: %5sB rsize: %4s clients: %4d tasks: %3d: " $total_size $rsize $nclnt $ntask`
+ hdrstr=`printf "Total: %5sB rsize: %4sB clients: %4d tasks: %3d: " \
+ $total_size $pp_rsize $nclnt $ntask`
print_summary -n "$hdrstr"
for ((test_idx=0; test_idx < ${#tests[@]}; test_idx++)); do
print_summary -n "$test "
echo "===========> ${hdrstr} on $test_clients doing $test" >> $workf
+ tmpf=${workf}_tmp
echo -n > $tmpf
- if [ "$test" = "remount" ]; then
- echo "=> $remount" >> $tmpf
+ if [ "$test" = "clear_cache" ]; then
+ clear_cache='for LRU in /proc/fs/lustre/ldlm/namespaces/*/lru_size; do; echo clear > $LRU; done'
+ echo "=> $clear_cache" >> $tmpf
$pdsh -S -b -w "$test_clients" >> $tmpf 2>&1 \
- "$remount"
+ "$clear_cache"
status=$?
echo "Completion Status: $status" >> $tmpf
result="OK"
fi
else
+ # check lustre is mounted everywhere it's needed
cmd="(mount -t lustre; mount -t lustre_lite) | grep $lustre"
- echo "=> $cmd" >> $tmpf
+ echo "=> Mount Check: $cmd" >> $tmpf
$pdsh -S -b -w "$test_clients" >> $tmpf 2>&1 \
"$cmd"
status=$?
echo "Completion Status: $status" >> $tmpf
-
if ((status)); then
cat $tmpf >> $workf
rm $tmpf
echo "=> ${cmdline[@]}" >> $tmpf
- $pdsh -S -b -Rmqsh -w "$test_clients" -n $ntask >> $tmpf 2>&1 \
+ $pdsh -S -b $pdsh_mpiargs -w "$test_clients" -n $ntask >> $tmpf 2>&1 \
"${cmdline[@]}"
status=$?
done
done
-# rm $iorcf
git://git.whamcloud.com / fs / lustre-release.git / blobdiff