lustre/tests/run_dd.sh

   1 #!/bin/bash
   2 set -x
   3
   4 TMP=${TMP:-/tmp}
   5
   6 TESTSUITELOG=${TESTSUITELOG:-$TMP/recovery-mds-scale}
   7 LOG=${TESTSUITELOG}_$(basename $0)-$(hostname)
   8 DEBUGLOG=${LOG}.debug
   9
  10 mkdir -p ${LOG%/*}
  11
  12 rm -f $LOG $DEBUGLOG
  13 exec 2>$DEBUGLOG
  14
  15 if [ -z "$MOUNT" -o -z "$END_RUN_FILE" -o -z "$LOAD_PID_FILE" ]; then
  16     echo "The following must be set: MOUNT END_RUN_FILE LOAD_PID_FILE"
  17     exit 1
  18 fi
  19
  20 echoerr () { echo "$@" 1>&2 ; }
  21
  22 signaled() {
  23     echoerr "$(date +'%F %H:%M:%S'): client load was signaled to terminate"
  24     kill -TERM -$PPID
  25     sleep 5
  26     kill -KILL -$PPID
  27 }
  28
  29 trap signaled TERM
  30
  31 # recovery-mds-scale uses this to signal the client loads to die
  32 echo $$ >$LOAD_PID_FILE
  33
  34 TESTDIR=$MOUNT/dd-$(hostname)
  35
  36 CONTINUE=true
  37 while [ ! -e "$END_RUN_FILE" ] && $CONTINUE; do
  38     echoerr "$(date +'%F %H:%M:%S'): dd run starting"
  39     mkdir -p $TESTDIR
  40     cd $TESTDIR
  41     dd bs=4k count=1000000 if=/dev/zero of=$TESTDIR/dd-file 1>$LOG &
  42     load_pid=$!
  43     wait $load_pid
  44
  45     if [ $? -eq 0 ]; then
  46         echoerr "$(date +'%F %H:%M:%S'): dd succeeded"
  47         cd $TMP
  48         rm -rf $TESTDIR
  49         echoerr "$(date +'%F %H:%M:%S'): dd run finished"
  50     else
  51         echoerr "$(date +'%F %H:%M:%S'): dd failed"
  52         if [ -z "$ERRORS_OK" ]; then
  53             echo $(hostname) >> $END_RUN_FILE
  54         fi
  55         if [ $BREAK_ON_ERROR ]; then
  56             # break
  57             CONTINUE=false
  58         fi
  59     fi
  60 done
  61
  62 echoerr "$(date +'%F %H:%M:%S'): dd run exiting"