-# specify either the obdecho client names or the obdfilter names
-client_names=()
-ost_names=(ost{1,2,3,4,5,6,7,8})
-
-# result file prefix
-rslt=/tmp/obdfilter_survey
-
-# lustre root (leave blank unless running with own source)
-lustre_root=
-
-# what to do (we always do an initial write)
-#tests="rewrite read reread rewrite_again"
-tests="rewrite read"
-
-# total size (MBytes)
-# large enough to avoid cache effects
-size=8192
+# specify obd instances to exercise
+# these can be either...
+# obdfilter instances (set 'ost_names')
+# ...or...
+# echo_client instances (set 'client_names')
+# ... use 'host:name' for obd instances on other nodes.
+ost_names=(ost{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16})
+#client_names=(ns8:ECHO_ns8 ns9:ECHO_ns9)
+
+# result file prefix (date/time + hostname makes unique)
+# NB ensure path to it exists
+rslt=/home_nfs/eeb/obdfilter_survey_`date +%F@%R`_`uname -n`
+
+# lustre root (if running with own source tree)
+lustre_root=/home_nfs/eeb/lustre
+
+# what tests to run (first must be write)
+#tests=(write rewrite read reread rewrite_again)
+tests=(write rewrite read)
+
+# total size (MBytes) per obd instance
+# large enough to avoid cache effects
+# and to make test startup/shutdown overhead insignificant
+size=16384