#!/usr/bin/ksh # # example postscript intended to reduce OS jitter # trap "chmod 774 /etc/rc.tcpip" INT QUIT TERM EXIT #NB: WANT TO ADD THIS BACK IN AT SOME POINT - SYSTEM HANG DETECTION DEAMON #shdaemon:2:off:/usr/sbin/shdaemon >/dev/console 2>&1 # High availability daemon rmitab shdaemon > /dev/null 2>&1 #to disable topasrec, which runs as a cron job, need remove the following entry from /etc/inittab: #xmdaily:2:once:/usr/bin/topasrec -L -s 300 -R 1 -r 6 -o /etc/perf/daily/ -ypersistent=1 2>&1 >/dev/null #Start local binary recording rmitab xmdaily > /dev/null 2>&1 #to disable PM data collection, which is really topasout, run: #55 23 * * * /var/perf/pm/bin/pmcfg >/dev/null 2>&1 #Enable PM Data Collection rmitab pmcfg > /dev/null 2>&1 #to disable USB audio device overhead #naudio2::boot:/usr/sbin/naudio2 > /dev/null #naudio::boot:/usr/sbin/naudio > /dev/null rmitab naudio > /dev/null 2>&1 rmitab naudio2 > /dev/null 2>&1 #not planning on printing from P7IH: #piobe:2:wait:/usr/lib/lpd/pioinit_cp >/dev/null 2>&1 # pb cleanup rmitab piobe > /dev/null 2>&1 #qdaemon:23456789:wait:/usr/bin/startsrc -sqdaemon rmitab qdaemon > /dev/null 2>&1 rcwpars:2:once:/etc/rc.wpars > /dev/console 2>&1 # Corrals autostart rmitab rcwpars > /dev/null 2>&1 #have always seen this disabled in the past #perfstat:2:once:/usr/lib/perf/libperfstat_updt_dictionary >/dev/console 2>&1 rmitab perfstat > /dev/null 2>&1 #we aren't running GSA on PERCS machines. . . #gsa_updmn:2:wait:startsrc -s gsa_updmn > /dev/console 2>&1 rmitab gsa_updmn > /dev/null 2>&1 #unless we really are using this we should disable for perf testing #artex:2:wait:/usr/sbin/artexset -c -R /etc/security/artex/config/master_profile.xml > /dev/console 2>&1 rmitab artex > /dev/null 2>&1 #this is HACMP function . . . #clcomd:23456789:once:/usr/bin/startsrc -s clcomd rmitab clcomd > /dev/null 2>&1 #rpvserver:2:once:/etc/rc.rpvserver > /dev/console 2>&1 rmitab rpvserver > /dev/null 2>&1 #ha_star:h2:once:/etc/rc.ha_star >/dev/console 2>&1 rmitab ha_star > /dev/null 2>&1 #clusterconf:23456789:once:/usr/sbin/clusterconf rmitab clusterconf > /dev/null 2>&1 #this is for http://:5335/ibm/console access, which we don't want for PERCS #pconsole:2:once:/usr/bin/startsrc -s pconsole > /dev/null 2>&1 rmitab pconsole > /dev/null 2>&1 #contains Network load balancing kernel extensions . . . not clear for HPC yet #rcnetwlm:23456789:wait:/etc/rc.netwlm start> /dev/console 2>&1 # Start netwlm rmitab rcnetwlm > /dev/null 2>&1 #to disable cimservices, need to comment cimservices and platform agent: #cimservices:2:once:/usr/bin/startsrc -s cimsys >/dev/null 2>&1 #platform_agent:2:once:/usr/bin/startsrc -s platform_agent >/dev/null 2>&1 rmitab cimservices > /dev/null 2>&1 rmitab platform_agent > /dev/null 2>&1 #we WILL want to add in RMC (RSCT) monitoring at some point #ctrmc:2:once:/usr/bin/startsrc -s ctrmc > /dev/console 2>&1 rmitab ctrmc > /dev/null 2>&1 #Jugement call . . . leave in for now #diagd:2:once:/usr/lpp/diagnostics/bin/diagd >/dev/console 2>&1 #for NIM so keep for now #mount_tools:2:once:/usr/bin/mount_tools iofnim.austin.ibm.com > /dev/console 2>&1 #following are needed for HPC so leave: #rcsciv1:23456789:wait:/usr/bin/startsrc -s scidv1 > /dev/console 2>&1 #pnsd:2345:once:/opt/rsct/lapi/pnsd/startpnsdAIX 1>/dev/null 2>&1 #dscrset:2:once:/usr/sbin/dscrctl -n -s 30 >/dev/null 2>/dev/console #to disable sendmail daemon, need to comment the line in /etc/rc.tcpip that begins: start /usr/lib/sendmail # Leave enabled on login nodes host `hostname` | grep -qE "l[0-9]+" if [[ $? -ne 0 ]] then grep -q "^start /usr/lib/sendmail" /etc/rc.tcpip if [[ $? -eq 0 ]] then cat /etc/rc.tcpip | sed 's/^start \/usr\/lib\/sendmail/#start \/usr\/lib\/sendmail/' > /tmp/rc.tcpip.tmpfile.$$ cp -p /etc/rc.tcpip /etc/rc.tcpip.prev mv /tmp/rc.tcpip.tmpfile.$$ /etc/rc.tcpip fi stopsrc -s sendmail > /dev/null 2>&1 fi #to disable aixmibd daemon, need to comment the line in /etc/rc.tcpip that begins: start /usr/sbin/aixmibd grep -q "^start /usr/sbin/aixmibd" /etc/rc.tcpip if [[ $? -eq 0 ]] then cat /etc/rc.tcpip | sed 's/^start \/usr\/sbin\/aixmibd/#start \/usr\/sbin\/aixmibd/' > /tmp/rc.tcpip.tmpfile.$$ cp -p /etc/rc.tcpip /etc/rc.tcpip.prev2 mv /tmp/rc.tcpip.tmpfile.$$ /etc/rc.tcpip fi stopsrc -s aixmibd > /dev/null 2>&1 #to disable hostmibd daemon, need to comment the line in /etc/rc.tcpip that begins: start /usr/sbin/hostmibd grep -q "^start /usr/sbin/hostmibd" /etc/rc.tcpip if [[ $? -eq 0 ]] then cat /etc/rc.tcpip | sed 's/^start \/usr\/sbin\/hostmibd/#start \/usr\/sbin\/hostmibd/' > /tmp/rc.tcpip.tmpfile.$$ cp -p /etc/rc.tcpip /etc/rc.tcpip.prev2 mv /tmp/rc.tcpip.tmpfile.$$ /etc/rc.tcpip fi stopsrc -s hostmibd > /dev/null 2>&1 #to disable snmpmibd daemon, need to comment the line in /etc/rc.tcpip that begins: start /usr/sbin/snmpmibd grep -q "^start /usr/sbin/snmpmibd" /etc/rc.tcpip if [[ $? -eq 0 ]] then cat /etc/rc.tcpip | sed 's/^start \/usr\/sbin\/snmpmibd/#start \/usr\/sbin\/snmpmibd/' > /tmp/rc.tcpip.tmpfile.$$ cp -p /etc/rc.tcpip /etc/rc.tcpip.prev2 mv /tmp/rc.tcpip.tmpfile.$$ /etc/rc.tcpip fi stopsrc -s snmpmibd > /dev/null 2>&1 #disable the prngd daemon (the random daemon is more efficient) stopsrc -s prngd chmod 774 /etc/rc.tcpip if [[ ! -f /var/spool/cron/crontabs/root.before.clean_jitter ]] then cp -p /var/spool/cron/crontabs/root /var/spool/cron/crontabs/root.before.clean_jitter egrep -v "bin\/pmcfg|bin\/stcron|bin\/dumpctr|ras\/dumpcheck|bin\/errclear" /var/spool/cron/crontabs/root > /var/spool/cron/crontabs/root.after.clean_jitter cp /var/spool/cron/crontabs/root.after.clean_jitter /var/spool/cron/crontabs/root fi #for i in $(ps -efk | egrep "\/usr\/sbin\/cron|topasrec" | grep -v grep | awk ' { print $2} ') ; do # kill $i #done # #nohup /usr/sbin/cron > /dev/null 2>&1 & CRON="/usr/sbin/cron" # Find PID for cron process - check for exact pattern match on process name and it's parent PID is 1 CRON_PID=$(ps -ef | grep ${CRON} | grep -v grep | awk '{ if ($NF = "${CRON}" && $3 == "1") { print $2 }}') if [ -n "${CRON_PID}" ] then echo "Killing ${CRON} (${CRON_PID}) to re-read config file(s)" kill ${CRON_PID} fi # Allow time to respawn from inittab sleep 1 # Print new cron PID CRON_PID=$(ps -ef | grep ${CRON} | grep -v grep | awk '{ if ($NF = "${CRON}" && $3 == "1") { print $2 }}') echo "New cron PID is ${CRON_PID}" ls -l /etc/rc.tcpip telinit q sleep 1 /usr/sbin/schedo -F -o tick_sync=1 /usr/sbin/schedo -F -o big_tick_size=1 grep -q cosched3 /etc/poe.priority 2> /dev/null if [[ $? -ne 0 ]] then echo '* cosched1 18 100 97 10' >> /etc/poe.priority echo '* cosched2 13 100 99.5 10' >> /etc/poe.priority echo '* cosched3 13 100 99 3' >> /etc/poe.priority echo '* cosched4 18 100 97 1' >> /etc/poe.priority chmod 644 /etc/poe.priority fi