+ local TGT=$(for i in $(seq 0x$TGT_FIRST 3 0x$TGT_MAX); do \
+ printf "$FSNAME-OST%04x_UUID " $i; done)
+ add_pool $POOL "$FSNAME-OST[$TGT_FIRST-$TGT_MAX/3]" "$TGT"
+ create_dir $dir $POOL
+
+ local maxfree=$((1024 * 1024 * 30)) # 30G
+ local AVAIL=$(lfs_df -p $POOL $dir | awk '/summary/ { print $4 }')
+ [ $AVAIL -gt $maxfree ] &&
+ skip_env "Filesystem space $AVAIL is larger than " \
+ "$maxfree limit" && return 0
+
+ echo "OSTCOUNT=$OSTCOUNT, OSTSIZE=$OSTSIZE, AVAIL=$AVAIL"
+ echo "MAXFREE=$maxfree, SLOW=$SLOW"
+
+ # XXX remove the interoperability code once we drop the old server
+ # ( < 2.3.50) support.
+ if [ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.3.50) ]; then
+ $LFS quotaoff -ug $MOUNT
+ else
+ do_facet mgs $LCTL conf_param $FSNAME.quota.ost=none
+ sleep 5
+ fi
+
+ chown $RUNAS_ID.$RUNAS_ID $dir
+ i=0
+ local RC=0
+ local TOTAL=0 # KB
+ local stime=$(date +%s)
+ local stat
+ local etime
+ local elapsed
+ local maxtime=300 # minimum speed: 5GB / 300sec ~= 17MB/s
+ while [ $RC -eq 0 ]; do
+ i=$((i + 1))
+ stat=$(LOCALE=C $RUNAS2 dd if=/dev/zero of=${file}$i bs=1M \
+ count=$((5 * 1024)) 2>&1)
+ RC=$?
+ TOTAL=$((TOTAL + 1024 * 1024 * 5))
+ echo "[$i iteration] $stat"
+ echo "total written: $TOTAL"
+
+ etime=$(date +%s)
+ elapsed=$((etime - stime))
+ echo "stime=$stime, etime=$etime, elapsed=$elapsed"
+
+ if [ $RC -eq 1 ]; then
+ echo $stat | grep -q "Disk quota exceeded"
+ [[ $? -eq 0 ]] &&
+ error "dd failed with EDQUOT with quota off"
+
+ echo $stat | grep -q "No space left on device"
+ [[ $? -ne 0 ]] &&
+ error "dd did not fail with ENOSPC"
+ elif [ $TOTAL -gt $AVAIL ]; then
+ error "dd didn't fail with ENOSPC ($TOTAL > $AVAIL)"
+ elif [ $i -eq 1 -a $elapsed -gt $maxtime ]; then
+ log "The first 5G write used $elapsed (> $maxtime) " \
+ "seconds, terminated"
+ RC=1
+ fi
+ done
+
+ df -h
+ rm -rf $POOL_ROOT