Re: Problem with TLA ver > 887

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Mickey,
 Can you check if the latest tla code has resolved the issues you faced?

Thanks,
Avati

On Sun, Feb 8, 2009 at 11:19 PM, Mickey Mazarick <mic@xxxxxxxxxxxxxxxxxx> wrote:
> Heh our tests are kind of an unholy mess... but here's the part I think is
> useful:
> We use a startup script that will iterate through vol files and mount the
> first available file on the list. We have a bunch of vol files that test a
> few different server configurations. After mountpoints are prepared we have
> other scripts that start virtual machine on the various mounts.
>
>  In other words I have a directory called "/glustermounts/" and in that
> directory I have the files:
> main.vol  main.vol.ib  main.vol.tcp stripe.vol.ha stripe.vol.tcp
>
> after running "/etc/init.d/glustersystem start"  I will have the following
> mount points:
> /system     (our default mount, we actually store the vol files here)
> /mnt/main
> /mnt/stripe
>
> The output shows me if any vol file failed to mount and it automatically
> attempts the next one (ex" "mounting main.vol failed, trying main.vol.ib").
> We simply arrange vol files from most features to least. We have a separate
> script which starts up a virtual machine on each test mount. This is the
> actual "test" we use as it creates symbolic links, uses mmaps etc but it's
> pretty specific to us. This closely mirrors how we use it in production.
>
> I've included out startup script and I would suggest you simply run
> something similar to your production on a few mounts in the same way we
> have. I may share this with the entire group although there are probably
> better init scripts out there. This one does kill all processes attached to
> a mount point which is useful. Let me know if you have any questions!
>
> Thanks!
>
> -Mickey Mazarick
>
>
>
> Geoff Kassel wrote:
>
> Hi,
>    As a fellow GlusterFS user, I was just wondering if you could point me to
> the regression tests you're using for GlusterFS?
>
>    I've looked high and low for the unit tests that the GlusterFS devs are
> meants to be using (ala http://www.gluster.org/docs/index.php/GlusterFS_QA)
> so that I can do my own testing, but I've not been able to find them.
>
>    If it's tests you've developed in-house, would you be interested in
> releasing them to the wider community?
>
> Kind regards,
>
> Geoff Kassel.
>
> On Thu, 5 Feb 2009, Mickey Mazarick wrote:
>
>
> I haven't done any full regression testing to see where the problem is
> but the later TLA versions are causeing out storage servers to spike to
> 100% cpu usage and the clients never see any files. Our initial tests
> are with ibverbs/HA but no performance translators.
>
> Thanks!
> -Mickey Mazarick
>
>
> --
>
> #!/bin/sh
> # Startup script for gluster Mount system
> volFiles="/glustermounts/"
> defaultcheckFile="customers"
> speclist="/etc/glusterfs-system.vol.ibverbs /etc/glusterfs-system.vol.ha
> /etc/glusterfs-system.vol.ibverbs /etc/glusterfs-system.vol.tcp"
> start() {
>        specfile=${1}
>        if [ "$#" -gt 1 ]; then
>                mountpt=${2}
>        else
>                mountpt=`echo ${specfile} |sed "s#\.vol.*\\\$##" |sed
> "s#/.*/##"`
>                mountpt="/mnt/${mountpt}"
>        fi
>        logfile=`echo ${specfile} |sed "s#\.vol.*\\\$##" |sed "s#/.*/##"`
>        logfile="/var/${logfile}.log"
>        pidfile=`echo ${specfile} |sed "s#\.vol.*\\\$##" |sed "s#/.*/##"`
>        pidfile="/var/run/${pidfile}.pid"
>        echo "mounting specfile:${specfile} at:${mountpt} with pid
> at:${pidfile}"
>        currentpids=`pidof glusterfs`
>        currentpids="0 ${currentpids}"
>        mountct=`mount |grep ${mountpt} |grep -c glusterfs`
>        if [ -f $pidfile ]; then
>                currentpid=`cat ${pidfile}`
>                pidct=`echo "${currentpids}" |grep -c ${currentpid}`
>                if [ "${pidct}" -eq 0 ]; then
>                        rm -rf ${pidfile}
>                        echo "removing pid file: ${pidfile}"
>                fi
>                if [ "${mountct}" -lt 1 ]; then
>                        echo "Gluster System mount:${mountpt} died.
> Remounting."
>                        stop ${mountpt} ${pidfile}
>                fi
>        else
>                rm -rf ${pidfile}
>                if [ "${mountct}" -gt 0 ]; then
>                        myupid=`ps -ef |grep /system |grep gluster |sed
> "s#root\s*##" |sed "s#\s.*##"`
>                        if [ "${myupid}" -gt 0 ]; then
>                           echo "${myupid}" > ${pidfile}
>                        else
>                           echo "Gluster System mounted at:${mountpt} but
> with no pid. Remounting."
>                           stop ${mountpt} ${pidfile}
>                        fi
>                fi
>        fi
>
>        if [ -e $pidfile ]; then
>                echo "Gluster System Mount:${mountpt} is running with spec:
> ${specfile}"
>                #echo "Gluster System Mount:${mountpt} is running."
>                return 0
>        else
>        #rm -rf /var/glustersystemclient.log
>        modprobe fuse
>        sleep 1.5
>        #rm -rf /var/glustersystemclient.log
>        mkdir ${mountpt}
>        rm -rf $pidfile
>        cmd="/usr/local/sbin/glusterfs -p $pidfile -l ${logfile} -L ERROR -f
> ${specfile} --disable-direct-io-mode ${mountpt}"
> echo "${cmd}"
>        ${cmd}
> #/usr/local/sbin/glusterfs -p $pidfile -l ${logfile}
> --volume-specfile=${specfile} --disable-direct-io-mode ${mountpt}
>        #/usr/local/sbin/glusterfs -p $pidfile -l
> /var/glustersystemclient.log -f $specfile --direct-io-mode=DISABLE /system
>        fi
>        return 1
> }
>
> checkStart() {
>        mountdir=$1
>        checkfile="total"
>        if [ "$#" -gt 1 ]; then
>           checkfile=$2
>        fi
>        lspid=0
>        sleep 1
>        counter=0
>        countermax=15
>
>        ls -l ${mountdir} &
>        while [ "${lspid}" != "" ]
>        do
>          echo "waiting for gluster to come up... ${counter}"
>          sleep 1
>          lspid=`/sbin/pidof ls`
>          let counter++
>          if [ "${counter}" -eq "${countermax}" ]
>          then
>           lspid=""
>          fi
>        done
>        if [ "${counter}" -lt "${countermax}" ]; then
>          errorct=`ls ${mountdir} 2>&1 |grep -c "not connected"`
>          if [ "${errorct}" -eq 1  ]; then
>                counter=`echo ${countermax}`
>          else
>            glcount=`ls -l ${mountdir} |grep ${checkfile} -c`
>            if [ "${glcount}" -lt 1 ]; then
>                counter=`echo ${countermax}`
>            fi
>          fi
>        fi
>
>        if [ "${counter}" -eq "${countermax}" ]
>        then
>          echo "gluster FAILED to mount:${mountdir} with spec: ${specfile}"
>          lspid=`/sbin/pidof ls`
>          kill $lspid
>          lspid=10
>          return 0
>        else
>          echo "Gluster System Mount:${mountdir} is running with spec:
> ${specfile}"
>          #echo "gluster sucessfully mounted:${mountdir} with spec:
> ${specfile}"
>          return 1
>        fi
> }
>
> StartSpeclist() {
>        specfilelist="${1}"
>        echo "Attempting to mount first of: (${specfilelist})"
>        for file in $specfilelist
>        do
>                specfile="${file}"
>                if [ "$#" -gt 1 ]; then
>                        checkfile=${2}
>                else
>                        checkfile="total"
>                fi
>                if [ "$#" -gt 2 ]; then
>                        mountpt=${3}
>                else
>                        mountpt=`echo ${specfile} |sed "s#\.vol.*\\\$##" |sed
> "s#/.*/##"`
>                        mountpt="/mnt/${mountpt}"
>                fi
>
>                start ${specfile} ${mountpt}
>                if [ "$?" -eq "1" ]; then
>                  checkStart ${mountpt} ${checkfile}
>                  if [ "$?" -eq "0" ]; then
>                        stop ${specfile} ${mountpt}
>                  else
>                        return 1
>                  fi
>                else
>                        return 1
>                fi
>          done
>        return 0
> }
>
> stop() {
>        specfile1=${1}
>        if [ "$#" -gt 1 ]; then
>                mountpt=${2}
>        else
>                mountpt=`echo ${specfile1} |sed "s#\.vol.*\\\$##" |sed
> "s#/.*/##"`
>                mountpt="/mnt/${mountpt}"
>        fi
>        pidfile=`echo ${specfile1} |sed "s#\.vol.*\\\$##" |sed "s#/.*/##"`
>        pidfile="/var/run/${pidfile}.pid"
>        #runningpids=`lsof |grep ${mountpt} |sed "s#..........##" |sed "s#
> .*##"`
> #       for pid in `lsof |grep ${mountpt} |sed "s#\w*\s*##" |sed "s# .*##"`
>        for pid in `lsof |grep ${mountpt} |sed
> "s#..........\(......\).*#\1#"`
>        do
>                kill -9 $pid
>        done
>        #fuser -km /system
>        echo "Stopping mount:${mountpt} spec:${specfile1}"
>        umount -f ${mountpt}
>        currentpid=`cat ${pidfile}`
>        kill $currentpid
>        rm -rf $pidfile
> }
>
> stopmp(){
>        mountpt=${1}
>        spec=`ps -ef |grep gluster |grep ${mountpt} |grep specfile |sed
> "s#.*specfile=\(.*\)/s*.*#\1#"| sed "s# .*##"`
>        stop "${spec}" "${mountpt}"
> }
>
> startAll() {
>          StartSpeclist "${speclist}" "glustermounts" /system
>          if [ "$?" -eq "0" ]; then
>                echo "ERROR STARTING"
>          else
>                #for i in `ls -b ${volFiles}*.vol |sed s/.glustermounts.//`;
>                for i in `ls -b ${volFiles}*.vol |sed s#${volFiles}##`;
>                do
>                list=`ls -C ${volFiles}${i}*`
>                mountpt=`echo $i |sed s/\.vol//`
>                StartSpeclist "${list}" "${defaultcheckFile}" /mnt/${mountpt}
>                done
>
>          fi
>
> }
>
> stopAll() {
>        mountlist=`mount |grep glusterfs |sed "s#glusterfs on \(.*\)
> type.*#\1#"`
>        for mountpt in ${mountlist};
>        do
>          stopmp ${mountpt}
>        done
>        kill `pidof glusterfs`
> }
>
> case "$1" in
>        start)
>         if [ "$#" -gt 1 ]; then
>
>            StartSpeclist "${2}" ${3} ${4}
>
>         else
>           startAll
>         fi
>            ;;
>
>        stop)
>         if [ "$#" -gt 1 ]; then
>           stopmp ${2}
>         else
>           stopAll
>           stopAll
>         fi
>
>            ;;
>
>        status)
>            status
>            ;;
>        restart)
>            stop
>            start
>            ;;
>        condrestart)
>                stop
>                start
>            ;;
>
>        *)
>            echo $"Usage: $0 {start|stop|restart|condrestart|status}"
>            exit 1
>
> esac
>
> exit $RETVAL
>
> _______________________________________________
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> http://lists.nongnu.org/mailman/listinfo/gluster-devel
>
>




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