From: Elena Gryaznova <grev@sun.com>
Date: Wed, 21 Jul 2010 16:51:08 +0000 (+0400)
Subject: b=15685 fix obdfilter-survey script to work properly with remote oss-s
X-Git-Tag: 2.0.0.51~11
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=53741cd8c7d5df33659d5a763a4e68301926f93f

b=15685 fix obdfilter-survey script to work properly with remote oss-s

a=David.Dillow dillowda@ornl.gov
i=grev

Fix obdfilter-survey to work on multiple OSSes at once
---

diff --git a/lustre-iokit/obdfilter-survey/libecho b/lustre-iokit/obdfilter-survey/libecho
index de52762..454ea2e 100644
--- a/lustre-iokit/obdfilter-survey/libecho
+++ b/lustre-iokit/obdfilter-survey/libecho
@@ -56,9 +56,7 @@ dsh () {
     shift 2
     local command="$@"
 
-    local here=$(pwd)
-
-    command="cd $here; export PATH=/sbin:/usr/sbin:\$PATH; $command"
+    command="export PATH=/sbin:/usr/sbin:\$PATH; $command"
 
     case $DSH in
 	ssh)
diff --git a/lustre-iokit/obdfilter-survey/obdfilter-survey b/lustre-iokit/obdfilter-survey/obdfilter-survey
index 7ce397f..ef1871e 100755
--- a/lustre-iokit/obdfilter-survey/obdfilter-survey
+++ b/lustre-iokit/obdfilter-survey/obdfilter-survey
@@ -268,6 +268,11 @@ for trgt in $targets; do
     client_names[$ndevs]=${str[1]}
     ndevs=$((ndevs+1))
 done
+if [ $case == "disk" ]; then
+        for ((i = 0; i < $ndevs; i++)); do
+            ost_names[$i]=${client_names[$i]}
+	done
+fi
 if [ $case == "netdisk" ]; then
         if [ "$targets" ]; then
             for ((i = 0; i < $ndevs; i++)); do
@@ -355,25 +360,15 @@ fi
 # get vmstat started
 # disable portals debug and get obdecho loaded on all relevant hosts
 unique_hosts=(`unique ${host_names[@]}`)
+load_obdechos
 pidcount=0
 for host in ${unique_hosts[@]}; do
     host_vmstatf=${vmstatf}_${host}
     echo -n > $host_vmstatf
-    remote_shell $host "vmstat 5 >> $host_vmstatf" &
+    remote_shell $host "vmstat 5 >> $host_vmstatf" &> /dev/null &
     pid=$!
     vmstatpids[$pidcount]=$pid
     pidcount=$((pidcount+1))
-    do_unload_obdecho[$host]=0
-    if obdecho_loaded $host; then
-        continue
-    fi
-    load_obdecho $host
-    if obdecho_loaded $host; then
-        do_unload_obdecho[$host]=1
-        continue
-        fi
-    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 < $ndevs; i++)); do
@@ -390,6 +385,8 @@ if (($ndevs <= 0 || ${#host_names[@]} <= 0)); then
     echo "no devices or hosts specified"
     cleanup 0 $clean_srv_OSS $cleanup_oscs
 fi
+# Buffers will be spread out among all hosts, so allow for that
+max_buffer_mem=$(( ${max_buffer_mem} * ${#unique_hosts[@]} ))
 print_summary "$(date) Obdfilter-survey for case=$case from $(hostname)"
 for ((rsz = $rszlo; rsz <= $rszhi; rsz*=2)); do
     for ((nobj = $nobjlo; nobj <= $nobjhi; nobj*=2)); do 
@@ -501,9 +498,10 @@ for ((rsz = $rszlo; rsz <= $rszhi; rsz*=2)); do
 		    tmpfi="${tmpf}_$idx"
 		    echo "=============> $test $client_name" >> $workf
 		    host="${host_names[$idx]}"
-		    remote_shell $host cat $tmpfi >> $workf
-		    get_stats $tmpfi >> $tmpf
-		    rm $tmpfi
+		    remote_shell $host cat $tmpfi > ${tmpfi}_local
+		    cat ${tmpfi}_local >> $workf
+		    get_stats ${tmpfi}_local >> $tmpf
+		    rm -f $tmpfi ${tmpfi}_local
 		done
 		# compute/display global min/max stats
 		echo "=============> $test global" >> $workf