# make sure we stripe over all OSTs to avoid OOS on only a subset of OSTs
$LFS setstripe $OOS -c $STRIPECOUNT
-if dd if=/dev/zero of=$OOS count=$(($ORIGFREE + 100)) bs=1k 2> $LOG; then
+# add 20% of margin since the metadata overhead estimated in bavail might be
+# too aggressive and we might be able to write more than reported initially
+# by statfs.
+echo dd size $((ORIGFREE * 120 / 100))kB
+if dd if=/dev/zero of=$OOS count=$((ORIGFREE * 120 / 100)) bs=1k 2> $LOG; then
echo "ERROR: dd did not fail"
SUCCESS=0
fi
#$LCTL debug_daemon stop
-echo LOG file
-cat $LOG
+[ $SUCCESS != 0 ] && echo LOG file && sed "s/^/LOG: /" $LOG
rm -f $OOS
-sync; sleep 1; sync
sync; sleep 3; sync
}
oos_full() {
- local -a AVAILA
- local -a GRANTA
- local OSCFULL=1
- AVAILA=($(do_nodes $(comma_list $(osts_nodes)) \
- $LCTL get_param obdfilter.*.kbytesavail))
- GRANTA=($(do_nodes $(comma_list $(osts_nodes)) \
- $LCTL get_param -n obdfilter.*.tot_granted))
- for ((i=0; i<${#AVAILA[@]}; i++)); do
- local -a AVAIL1=(${AVAILA[$i]//=/ })
- GRANT=$((${GRANTA[$i]}/1024))
- echo -n $(echo ${AVAIL1[0]} | cut -d"." -f2) avl=${AVAIL1[1]} grnt=$GRANT diff=$((AVAIL1[1] - GRANT))
- [ $((AVAIL1[1] - GRANT)) -lt 400 ] && OSCFULL=0 && echo " FULL" || echo
- done
- return $OSCFULL
+ local -a AVAILA
+ local -a GRANTA
+ local -a TOTALA
+ local OSCFULL=1
+ AVAILA=($(do_nodes $(comma_list $(osts_nodes)) \
+ $LCTL get_param obdfilter.*.kbytesavail))
+ GRANTA=($(do_nodes $(comma_list $(osts_nodes)) \
+ $LCTL get_param -n obdfilter.*.tot_granted))
+ TOTALA=($(do_nodes $(comma_list $(osts_nodes)) \
+ $LCTL get_param -n obdfilter.*.kbytestotal))
+ for ((i=0; i<${#AVAILA[@]}; i++)); do
+ local -a AVAIL1=(${AVAILA[$i]//=/ })
+ local -a TOTAL=(${TOTALA[$i]//=/ })
+ GRANT=$((${GRANTA[$i]}/1024))
+ # allow 1% of total space in bavail because of delayed
+ # allocation with ZFS which might release some free space after
+ # txg commit. For small devices, we set a mininum of 8MB
+ local LIMIT=$((${TOTAL} / 100 + 8000))
+ echo -n $(echo ${AVAIL1[0]} | cut -d"." -f2) avl=${AVAIL1[1]} \
+ grnt=$GRANT diff=$((AVAIL1[1] - GRANT)) limit=${LIMIT}
+ [ $((AVAIL1[1] - GRANT)) -lt $LIMIT ] && OSCFULL=0 && \
+ echo " FULL" || echo
+ done
+ return $OSCFULL
}
pool_list () {