#!/bin/bash
-cluster=adev
-servers=(4 7)
-server_disks=([4]=sdd [7]=sdd)
-clients=(8-15 0-1)
+# cluster name (all node names are this followed by the node number)
+cluster=mdev
-min_clients=1
-max_clients=10
+# client node numbers (individual numbers or inclusive ranges)
+clients=(7-8)
-per_client_size=4G
-transfer_size=1M
-tasks_per_client=1
+# numbers of clients to survey
+clients_lo=1
+clients_hi=2
+clients_iterator="+=1"
+
+# numbers of tasks per client to survey
+tasks_per_client_lo=1
+tasks_per_client_hi=8
+tasks_per_client_iterator="*=2"
+
+# record sizes to survey
+rsize_lo=1M
+rsize_hi=1M
+rsize_iterator="*=2"
+
+## which tests to run (first must be write)
+# clear_cache) not really a test; just uncache everything
+# *write*) write
+# *) read
+#tests=(write rewrite read reread rewrite_again)
+tests=(write rewrite clear_cache read reread)
+
+# total # bytes written/read by any client node
+min_per_client_size=4G
+min_total_size=8G
+
+# should each task do I/O to its own file?
file_per_task=1
-IOR="/home/ericb/ior/src/C/IOR"
-script="/home/ericb/eeb_ior_script"
+# the binaries
+IOR=/usr/local/sbin/IOR
+llmount=llmount
+pdsh=pdsh
-testfile=/mnt/lustre/ior_survey_testfile
+# 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
-################################################################################
-cat > $script <<EOF
-IOR START
-# -f <this file>
-# blockSize=<set from cmdline> -b 8G
-# transferSize=<set from cmdline> -t 1M
-# filePerProc=<set from cmdline> -F
-# testFile=<set from cmdline> -o /mnt/lustre/ior_testfile
-# uniqueDir=<set from cmdline> -u
-# verbose=<set from cmdline> -v
-# reorderTasks=<set from cmdline> -C
-
-# unused options
-# collective=0 (MPI only)
-# individualDataSets=0 [not working]
-# noFill=0 (HDF5 only)
-# preallocate=0 (MPI only)
-# useSharedFilePointer=0 [not working]
-# useFileView=<MPI only>
-# useStridedDataType=0(MPI only)
-# showHints=0
-# showHelp=0
-
-# setup
- api=POSIX
- fsync=1
- repetitions=1
- useO_DIRECT=0
- interTestDelay=10
- intraTestBarriers=1
- storeFileOffset=0
- quitOnError=1
- segmentCount=1
- singleXferAttempt=0
-
-# write
- readFile=0
- writeFile=1
- useExistingTestFile=0
- keepFile=1
- RUN
-
-# rewrite
- useExistingTestFile=1
- RUN
-
-# read
- readFile=1
- writeFile=0
- useExistingTestFile=1
- RUN
-
-# reread (bug in ior means it needs each run needs at least 1 directive)
- readFile=1
- RUN
-
-# write again
- readFile=0
- writeFile=1
- useExistingTestFile=1
- keepFile=0
- RUN
-IOR STOP
-
-EOF
+# basename of the test file(s)
+testfile=${lustre}/ior_survey_testfile
+
+# 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 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
}
-nservers=`countnodes ${servers[@]}`
+if [ ${#tests[@]} -eq 0 -o "${tests[0]}" != "write" ]; then
+ echo "First test must be 'write'" 1>&2
+ exit 1
+fi
+
+rsltf="${rslt}.summary"
+workf="${rslt}.detail"
+echo -n > $rsltf
+echo -n > $workf
+
+print_summary () {
+ if [ "$1" = "-n" ]; then
+ minusn=$1; shift
+ else
+ minusn=""
+ fi
+ echo $minusn "$*" >> $rsltf
+ 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
+ pp_rsize=`pp_number $rsize`
+
+ for ((nclnt=clients_lo; nclnt<=clients_hi; nclnt$clients_iterator)); do
+ test_clients="${cluster}`n2noderange $nclnt ${clients[@]}`"
+
+ per_client_size=$((min_total_size/nclnt))
+ if ((per_client_size < min_per_client_size)); then
+ per_client_size=$min_per_client_size
+ fi
+
+ for ((ntask=tasks_per_client_lo; ntask <= tasks_per_client_hi; ntask$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: %4sB clients: %4d tasks: %3d: " \
+ $total_size $pp_rsize $nclnt $ntask`
+ print_summary -n "$hdrstr"
+
+ for ((test_idx=0; test_idx < ${#tests[@]}; test_idx++)); do
+ test=${tests[$test_idx]}
+
+ print_summary -n "$test "
+ echo "===========> ${hdrstr} on $test_clients doing $test" >> $workf
+ tmpf=${workf}_tmp
+ echo -n > $tmpf
+
+ if [ "$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" >> $tmpf 2>&1 \
+ "$clear_cache"
+ status=$?
+ echo "Completion Status: $status" >> $tmpf
-if ((max_clients > nclients)); then max_clients=$nclients; fi
-if ((file_per_task)); then minusFopt=-F; else minusFopt=""; fi
+ if ((status)); then
+ result="ERROR"
+ else
+ result="OK"
+ fi
+ else
+ # check lustre is mounted everywhere it's needed
+ cmd="(mount -t lustre; mount -t lustre_lite) | grep $lustre"
+ 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
+ print_summary "Lustre NOT mounted on $lustre somewhere"
+ exit 1
+ fi
-for ((i=min_clients - 1;i<max_clients;i++)); do
- tc=`printf "%3d tasks, %4d clients" $tasks_per_client $((i+1))`
- echo "=================================== $tc ================================================"
+ cmdline=(
+ $IOR # the command
+ -o${testfile} # test file prefix
+ -b${per_task_size} # bytes per task
+ -t${rsize} # record size
+ -e # fsync before close
+ -q # quit on error
+ )
- clients="${cluster}`n2noderange $((i+1)) ${clients[@]}`"
- per_task_size=$((`parse_number $per_client_size`/tasks_per_client))
- per_task_size=`pp_number $per_task_size`
+ idx=${#cmdline[@]}
- pdsh -b -Rmqsh -w "$clients" -n $tasks_per_client \
- $IOR -b${per_task_size} -t${transfer_size} $minusFopt -o $testfile -f $script
+ # keep the test file(s) unless this is the last test
+ ((test_idx < ${#tests[@]}-1)) && cmdline[$((idx++))]="-k"
+ # use the existing test file(s) unless this is the first test
+ ((test_idx > 0)) && cmdline[$((idx++))]="-E"
+
+ # file-per-task
+ ((file_per_task)) && cmdline[$((idx++))]="-F"
+
+ case "$test" in
+ *write*) cmdline[$((idx++))]="-w"
+ awkstr="Max Write";;
+ *) cmdline[$((idx++))]="-r"
+ awkstr="Max Read";;
+ esac
+
+ echo "=> ${cmdline[@]}" >> $tmpf
+
+ $pdsh -S -b $pdsh_mpiargs -w "$test_clients" -n $ntask >> $tmpf 2>&1 \
+ "${cmdline[@]}"
+ status=$?
+
+ echo "Completion Status: $status" >> $tmpf
+
+ if ((status)); then
+ result="ERROR"
+ else
+ result=`awk < $tmpf "/$awkstr/ {print $ 3; found=1; exit}\
+ END {if (!found) print \"ERROR\"}"`
+ fi
+ fi
+
+ cat $tmpf >> $workf
+ rm $tmpf
+
+ str=`printf "%8s" "$result"`
+ print_summary -n "$str "
+ done
+ print_summary ""
+ done
+ done
done
git://git.whamcloud.com / fs / lustre-release.git / blobdiff