lustre/tests/run_tar.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 LFS CLIENT_COUNT LCTL
  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.tar-$(hostname)
  28
  29 do_tar() {
  30     tar cf - /etc | tar xf - >$LOG 2>&1
  31     return ${PIPESTATUS[1]}
  32 }
  33
  34 CONTINUE=true
  35 while [ ! -e "$END_RUN_FILE" ] && $CONTINUE; do
  36         echoerr "$(date +'%F %H:%M:%S'): tar run starting"
  37         mkdir -p $TESTDIR
  38         cd $TESTDIR
  39         sync
  40
  41         USAGE=$(du -s /etc | awk '{print $1}')
  42         $LCTL set_param llite.*.lazystatfs=0
  43         df $TESTDIR || true
  44         sleep 2
  45         FREE_SPACE=$(df $TESTDIR | awk '/:/ { print $4 }')
  46         AVAIL=$((FREE_SPACE * 9 / 10 / CLIENT_COUNT))
  47         if [ $AVAIL -lt $USAGE ]; then
  48                 echoerr "no enough free disk space: need $USAGE, avail $AVAIL"
  49                 echo $(hostname) >> $END_RUN_FILE
  50                 break
  51         fi
  52
  53         do_tar
  54         RC=$?
  55         PREV_ERRORS=$(grep "exit delayed from previous errors" $LOG) || true
  56         if [ $RC -ne 0 -a "$ERRORS_OK" -a "$PREV_ERRORS" ]; then
  57                 echoerr "$(date +'%F %H:%M:%S'): tar errors earlier, ignoring"
  58                 RC=0
  59         fi
  60         if [ $RC -eq 0 ]; then
  61                 echoerr "$(date +'%F %H:%M:%S'): tar succeeded"
  62                 cd $TMP
  63                 rm -rf $TESTDIR
  64                 echoerr "$(date +'%F %H:%M:%S'): tar run finished"
  65         else
  66                 echoerr "$(date +'%F %H:%M:%S'): tar failed"
  67                 if [ -z "$ERRORS_OK" ]; then
  68                         echo $(hostname) >> $END_RUN_FILE
  69                 fi
  70                 if [ $BREAK_ON_ERROR ]; then
  71                         # break
  72                         CONTINUE=false
  73                 fi
  74         fi
  75 done
  76
  77 echoerr "$(date +'%F %H:%M:%S'): tar run exiting"