6 LUSTRE=${LUSTRE:-$(cd $(dirname $0)/..; echo $PWD)}
7 . $LUSTRE/tests/test-framework.sh
9 export PATH=`dirname $0`/../utils:$PATH
13 MOUNT=${MOUNT:-/mnt/lustre}
16 LOG=$TMP/$(basename $0 .sh).log
22 sync; sleep 1; sync # to ensure we get up-to-date statfs info
24 #$LCTL set_param -n debug=-1
25 #$LCTL set_param -n subsystem_debug=0x40a8
28 #$LCTL debug_daemon start /r/tmp/debug 1024
30 STRIPECOUNT=`$LCTL get_param -n lov.*.activeobd | head -n 1`
31 ORIGFREE=`$LCTL get_param -n llite.*.kbytesavail | head -n 1`
32 MAXFREE=${MAXFREE:-$((400000 * $STRIPECOUNT))}
33 echo STRIPECOUNT=$STRIPECOUNT ORIGFREE=$ORIGFREE MAXFREE=$MAXFREE
34 if [ $ORIGFREE -gt $MAXFREE ]; then
35 skip "$0: ${ORIGFREE}kB free gt MAXFREE ${MAXFREE}kB, increase $MAXFREE (or reduce test fs size) to proceed"
39 export LANG=C LC_LANG=C # for "No space left on device" message
41 [ -f $LOG ] && error "log file wasn't removed?"
43 echo BEFORE dd started
44 for OSC in `$LCTL get_param -N osc.*-osc-*.kbytesavail | cut -d"." -f1-2`; do
45 AVAIL=`$LCTL get_param -n $OSC.kbytesavail`
46 GRANT=$((`$LCTL get_param -n $OSC.cur_grant_bytes` / 1024))
47 echo -n "$(echo $OSC | cut -d"." -f2) avl=$AVAIL grnt=$GRANT diff=$(($AVAIL - $GRANT))"
51 # make sure we stripe over all OSTs to avoid OOS on only a subset of OSTs
52 $LFS setstripe $OOS -c $STRIPECOUNT
53 if dd if=/dev/zero of=$OOS count=$(($ORIGFREE + 100)) bs=1k 2> $LOG; then
54 echo "ERROR: dd did not fail"
58 [ ! -s "$LOG" ] && error "LOG file is empty!"
60 if [ "`grep -c 'No space left on device' $LOG`" -ne 1 ]; then
61 echo "ERROR: dd not return ENOSPC"
66 # flush cache to OST(s) so avail numbers are correct
70 for OSC in `$LCTL get_param -N osc.*-osc-*.kbytesavail | cut -d"." -f1-2`; do
71 AVAIL=`$LCTL get_param -n $OSC.kbytesavail`
72 GRANT=$((`$LCTL get_param -n $OSC.cur_grant_bytes` / 1024))
73 echo -n "$(echo $OSC | cut -d"." -f2) avl=$AVAIL grnt=$GRANT diff=$(($AVAIL - $GRANT))"
74 [ $(($AVAIL - $GRANT)) -lt 400 ] && OSCFULL=full && echo -n " FULL"
78 if [ -z "$OSCFULL" ]; then
79 echo "no OSTs are close to full"
80 $LCTL get_param "osc.*-osc-*.kbytesavail"
81 $LCTL get_param "osc.*-osc-*.cur*"
85 RECORDSOUT=`grep "records out" $LOG | cut -d + -f1`
86 FILESIZE=`ls -l $OOS | awk '{ print $5 }'`
87 if [ -z "$RECORDSOUT" ]; then
88 echo "ERROR: no blocks written by dd?"
91 elif [ "$RECORDSOUT" -ne $((FILESIZE / 1024)) ]; then
92 echo "ERROR: blocks written by dd not equal to the size of file"
96 #$LCTL debug_daemon stop
103 if [ $SUCCESS -eq 1 ]; then