lustre/tests/run_dd.sh

   1 #!/bin/bash
   2
   3 TMP=${TMP:-/tmp}
   4
   5 TESTLOG_PREFIX=${TESTLOG_PREFIX:-$TMP/recovery-mds-scale}
   6 TESTNAME=${TESTNAME:-""}
   7 [ -n "$TESTNAME" ] && TESTLOG_PREFIX=$TESTLOG_PREFIX.$TESTNAME
   8
   9 LOG=$TESTLOG_PREFIX.$(basename $0 .sh)_stdout.$(hostname -s).log
  10 DEBUGLOG=$(echo $LOG | sed 's/\(.*\)stdout/\1debug/')
  11
  12 mkdir -p ${LOG%/*}
  13
  14 rm -f $LOG $DEBUGLOG
  15 exec 2>$DEBUGLOG
  16 set -x
  17
  18 . $(dirname $0)/functions.sh
  19
  20 assert_env MOUNT END_RUN_FILE LOAD_PID_FILE
  21
  22 trap signaled TERM
  23
  24 # recovery-*-scale scripts use this to signal the client loads to die
  25 echo $$ >$LOAD_PID_FILE
  26
  27 TESTDIR=$MOUNT/d0.dd-$(hostname)
  28
  29 CONTINUE=true
  30 while [ ! -e "$END_RUN_FILE" ] && $CONTINUE; do
  31     echoerr "$(date +'%F %H:%M:%S'): dd run starting"
  32     mkdir -p $TESTDIR
  33     cd $TESTDIR
  34     # suppress dd xfer stat to workaround buggy coreutils/gettext
  35     # combination in RHEL5 and OEL5, see BZ 21264
  36     dd bs=4k count=1000000 status=noxfer if=/dev/zero of=$TESTDIR/dd-file 1>$LOG &
  37     load_pid=$!
  38     wait $load_pid
  39
  40     if [ $? -eq 0 ]; then
  41         echoerr "$(date +'%F %H:%M:%S'): dd succeeded"
  42         cd $TMP
  43         rm -rf $TESTDIR
  44         echoerr "$(date +'%F %H:%M:%S'): dd run finished"
  45     else
  46         echoerr "$(date +'%F %H:%M:%S'): dd failed"
  47         if [ -z "$ERRORS_OK" ]; then
  48             echo $(hostname) >> $END_RUN_FILE
  49         fi
  50         if [ $BREAK_ON_ERROR ]; then
  51             # break
  52             CONTINUE=false
  53         fi
  54     fi
  55 done
  56
  57 echoerr "$(date +'%F %H:%M:%S'): dd run exiting"