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 . $(dirname $0)/functions.sh
  16
  17 assert_env MOUNT END_RUN_FILE LOAD_PID_FILE
  18
  19 trap signaled TERM
  20
  21 # recovery-*-scale scripts use this to signal the client loads to die
  22 echo $$ >$LOAD_PID_FILE
  23
  24 TESTDIR=$MOUNT/d0.dd-$(hostname)
  25
  26 CONTINUE=true
  27 while [ ! -e "$END_RUN_FILE" ] && $CONTINUE; do
  28     echoerr "$(date +'%F %H:%M:%S'): dd run starting"
  29     mkdir -p $TESTDIR
  30     cd $TESTDIR
  31     dd bs=4k count=1000000 if=/dev/zero of=$TESTDIR/dd-file 1>$LOG &
  32     load_pid=$!
  33     wait $load_pid
  34
  35     if [ $? -eq 0 ]; then
  36         echoerr "$(date +'%F %H:%M:%S'): dd succeeded"
  37         cd $TMP
  38         rm -rf $TESTDIR
  39         echoerr "$(date +'%F %H:%M:%S'): dd run finished"
  40     else
  41         echoerr "$(date +'%F %H:%M:%S'): dd failed"
  42         if [ -z "$ERRORS_OK" ]; then
  43             echo $(hostname) >> $END_RUN_FILE
  44         fi
  45         if [ $BREAK_ON_ERROR ]; then
  46             # break
  47             CONTINUE=false
  48         fi
  49     fi
  50 done
  51
  52 echoerr "$(date +'%F %H:%M:%S'): dd run exiting"