Managing Cluster Computers by Carlo Kopp Listing One parameter bandwidthlimit label "Capacity Lower Bound" float select anyof 0.3 1 3 10 30 100 300 1000 3000 default 100 300 1000 3000; parameter frequency label "Carrier" float select anyof 1.0 1.4 1.8 2.6 3.15 3.8 4.5 default 1.0 1.4 1.8 2.6 3.15 3.8 4.5; parameter weathermodel label "Wx Model" integer select anyof 0 1 2 3 default 0; parameter span label "Span" text select anyof "SPAN2" "SPAN1" default "SPAN2"; parameter dataset label "Dataset" text select anyof "dataset97-20" "dataset97-21" default "dataset97-20" "dataset97-21"; task nodestart node:execute ln -s /u/work_vol/carlo/SIMULATION/freq-table freq-table node:execute ln -s /u/work_vol/carlo/SIMULATION/isa-table isa-table node:execute ln -s /u/work_vol/carlo/SIMULATION/data-dataset97-20-0 data-dataset97-20-0 node:execute ln -s /u/work_vol/carlo/SIMULATION/data-dataset97-21-0 data-dataset97-21-0 copy root:PLOTS node:. copy root:BLN node:. copy root:aid-dataset* node:. copy root:limit-dataset* node:. copy root:plotlist-dataset* node:. copy root:times-dataset* node:. copy root:title-dataset* node:. copy root:weather-model* node:. copy root:*table node:. copy root:mysim node:. copy root:rcfile.sub node:. endtask task main node:execute date node:execute echo Executing on os:$OS release:$OSRELEASE machine:$MACHINE root:execute df -k . node:substitute rcfile.sub rcfile node:execute ls -l node:execute ls -l BLN node:execute ls -l PLOTS node:execute cat rcfile node:execute time mysim $dataset rcfile root:execute mkdir PLOTS.$jobname copy node:PLOTS/* root:PLOTS.$jobname copy node:usage.log root:TMP/usage.log.$jobname copy node:links root:TMP/links.$jobname copy node:limits.log root:TMP/limits.log.$jobname copy node:journal* root:TMP/ root:execute df -k . copy node:stdout root:TMP/stdout.$jobname node:execute date endtask Listing Two # do not execute Clustor jobs 7:30-17:30 Mon-Fri #off day Mon-Fri time 7:30-17:30 # do not execute Clustor jobs on June 30, 1998 #off date 1998/Jun/30 # allow Clustor job for 30 minutes at lunch time #on day Mon-Fri time 12:15-12:45 # allow Clustor jobs on Jan 1, 1998 #on date 1998/1/1 # the computer must be free from interactive use for 30 minutes #idle 00:30:00 # turn on the screen saver option #screensaver on # turn off the screen saver option #screensaver off # to start new jobs, the load must be below 2.00 #busyload 2.00 # to start new jobs, the CPU usage must be below 10% #busycpu 10 # to start new jobs, the Processor Queue Length must be 0 #busyqueue 0 # to prevent new jobs, the program should return 1 #external busy program "/home/myuser/myprogram" interval 00:01:00 # 7.5Mb of temporary space must be available #tmpspace 7.5 # 50Mb of working disk space must be available #diskspace 50 # 8000Kb of main memory must be available to start a job #memory 8000 # on this node, run concurrently at most 3 jobs from a single application #joblimit 3 # be maximally nice #priorityoffset 20 # to stop existing jobs, the load must be above 10.00 #stopload 10.00 # to stop existing jobs, the CPU usage must be above 90% #stopcpu 90 # to stop existing jobs, the Processor Queue Length must be above 3 #stopqueue 3 # to stop existing jobs, the program should return 1 #external stop program "/home/myuser/myprogram" interval 00:01:00 # wait 50 minutes before terminating jobs #stopaction suspend 00:50:00 # terminate jobs immediately #stopaction terminate # use signal 3 (SIGQUIT) instead of SIGKILL #killsignal 3 # on this computer, run at most 5 concurrent Clustor jobs #totaljoblimit 5 # change default node directory #directory "/tmp/mynodes" # monitor mouse usage on /dev/mouse #mouse "/dev/mouse" # check console on /dev/console #console "/dev/console" 2