Branch:HEAD

[fs/lustre-release.git] / lustre-iokit / sgpdd-survey / sgpdd-survey

diff --git a/lustre-iokit/sgpdd-survey/sgpdd-survey b/lustre-iokit/sgpdd-survey/sgpdd-survey
index 2b6c419..e6878af 100755 (executable)
--- a/lustre-iokit/sgpdd-survey/sgpdd-survey
+++ b/lustre-iokit/sgpdd-survey/sgpdd-survey
@@ -14,15 +14,15 @@
 rslt=${rslt:-"/tmp/sgpdd_survey_`date +%F@%R`_`uname -n`"}
 
 # what to do (read or write)
-actions="write read"
+actions=${actions:-"write read"}
 
 # total size per device (MBytes)
 # NB bigger than device cache is good
 size=${size:-8192}
 
 # record size (KBytes)
-rszlo=1024
-rszhi=1024
+rszlo=${rszlo:-1024}
+rszhi=${rszhi:-1024}
 
 # Concurrent regions per device
 crglo=${crglo:-1}
@@ -95,14 +95,7 @@ print_summary () {
     echo $minusn "$*"
 }
 
-time_v=`date`
-hostname=`hostname`
-if [ "$rawdevs" ]; then
-       print_summary "$time_v sgpdd-survey on $rawdevs from $hostname"
-fi
-if [ "$scsidevs" ]; then
-       print_summary "$time_v sgpdd-survey on $scsidevs from $hostname"
-fi
+print_summary "$(date) sgpdd-survey on $rawdevs$scsidevs from $(hostname)"
 
 for ((rsz=$rszlo;rsz<=$rszhi;rsz*=2)); do
     for ((crg=$crglo;crg<=$crghi;crg*=2)); do