# customize per survey
# the SCSI devices to measure
-scsidevs="/dev/sde /dev/sdh"
+scsidevs=${scsidevs:-"/dev/sde /dev/sdh"}
# result file prefix. date/time+hostname makes unique
# NB ensure the path exists if it includes subdirs
-rslt=/tmp/sgpdd_survey_`date +%F@%R`_`uname -n`
+rslt=${rslt:-"/tmp/sgpdd_survey_`date +%F@%R`_`uname -n`"}
# what to do (read or write)
actions="write read"
rszhi=1024
# Concurrent regions per device
-crglo=1
-crghi=256
+crglo=${crglo:-1}
+crghi=${crghi:-256}
# threads to share between concurrent regions per device
# NB survey skips over #thr < #regions and #thr/#regions > SG_MAX_QUEUE
-thrlo=1
-thrhi=4096
+thrlo=${thrlo:-1}
+thrhi=${thrhi:-4096}
#####################################################################
# leave the rest of this alone unless you know what you're doing...
print_summary ""
done
done
-done
\ No newline at end of file
+done