### Data-on-MDT sanity tests ###
test_270a() {
[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.10.55) ] &&
- skip "Need MDS version at least 2.10.55"
+ skip "Need MDS version at least 2.10.55 for DoM"
# create DoM file
local dom=$DIR/$tdir/dom_file
mkdir -p $DIR/$tdir
# basic checks for DoM component creation
- $LFS setstripe -E 1024K -E 1024K -L mdt $dom 2>/dev/null &&
+ $LFS setstripe -E 1024K -E 2048K -L mdt $dom 2>/dev/null &&
error "Can set MDT layout to non-first entry"
- $LFS setstripe -E 1024K -L mdt -E 1024K -L mdt $dom 2>/dev/null &&
+ $LFS setstripe -E 1024K -L mdt -E 2048K -L mdt $dom 2>/dev/null &&
error "Can define multiple entries as MDT layout"
- $LFS setstripe -E 1M -L mdt $dom ||
- error "Can't create DoM layout"
+ $LFS setstripe -E 1M -L mdt $dom || error "Can't create DoM layout"
[ $($LFS getstripe -L $dom) == "mdt" ] || error "bad pattern"
[ $($LFS getstripe -c $dom) == 0 ] || error "bad stripe count"
local space_check=1
# Skip free space checks with ZFS
- if [ "$(facet_fstype $facet)" == "zfs" ]; then
- space_check=0
- fi
+ [ "$(facet_fstype $facet)" == "zfs" ] && space_check=0
# write
sync
+ local size_tmp=$((65536 * 3))
local mdtfree1=$(do_facet $facet \
- lctl get_param -n osd*.*$mdtname.kbytesfree)
- dd if=/dev/urandom of=$tmp bs=1024 count=100
+ lctl get_param -n osd*.*$mdtname.kbytesfree)
+
+ dd if=/dev/urandom of=$tmp bs=1024 count=$((size_tmp / 1024))
# check also direct IO along write
- dd if=$tmp of=$dom bs=102400 count=1 oflag=direct
+ # IO size must be a multiple of PAGE_SIZE on all platforms (ARM=64KB)
+ dd if=$tmp of=$dom bs=65536 count=$((size_tmp / 65536)) oflag=direct
sync
cmp $tmp $dom || error "file data is different"
- [ $(stat -c%s $dom) == 102400 ] || error "bad size after write"
+ [ $(stat -c%s $dom) == $size_tmp ] ||
+ error "bad size after write: $(stat -c%s $dom) != $size_tmp"
if [ $space_check == 1 ]; then
local mdtfree2=$(do_facet $facet \
- lctl get_param -n osd*.*$mdtname.kbytesfree)
- [ $(($mdtfree1 - $mdtfree2)) -ge 102 ] ||
- error "MDT free space is wrong after write"
+ lctl get_param -n osd*.*$mdtname.kbytesfree)
+
+ # increase in usage from by $size_tmp
+ [ $(($mdtfree1 - $mdtfree2)) -ge $((size_tmp / 1024)) ] ||
+ error "MDT free space wrong after write: " \
+ "$mdtfree1 >= $mdtfree2 + $size_tmp/1024"
fi
# truncate
- $TRUNCATE $dom 10000
- [ $(stat -c%s $dom) == 10000 ] || error "bad size after truncate"
+ local size_dom=10000
+
+ $TRUNCATE $dom $size_dom
+ [ $(stat -c%s $dom) == $size_dom ] ||
+ error "bad size after truncate: $(stat -c%s $dom) != $size_dom"
if [ $space_check == 1 ]; then
mdtfree1=$(do_facet $facet \
lctl get_param -n osd*.*$mdtname.kbytesfree)
- [ $(($mdtfree1 - $mdtfree2)) -ge 92 ] ||
- error "MDT free space is wrong after truncate"
+ # decrease in usage from $size_tmp to new $size_dom
+ [ $(($mdtfree1 - $mdtfree2)) -ge \
+ $(((size_tmp - size_dom) / 1024)) ] ||
+ error "MDT free space is wrong after truncate: " \
+ "$mdtfree1 >= $mdtfree2 + ($size_tmp - $size_dom) / 1024"
fi
# append
cat $tmp >> $dom
sync
- [ $(stat -c%s $dom) == 112400 ] || error "bad size after append"
+ size_dom=$((size_dom + size_tmp))
+ [ $(stat -c%s $dom) == $size_dom ] ||
+ error "bad size after append: $(stat -c%s $dom) != $size_dom"
if [ $space_check == 1 ]; then
mdtfree2=$(do_facet $facet \
lctl get_param -n osd*.*$mdtname.kbytesfree)
- [ $(($mdtfree1 - $mdtfree2)) -ge 102 ] ||
- error "MDT free space is wrong after append"
+ # increase in usage by $size_tmp from previous
+ [ $(($mdtfree1 - $mdtfree2)) -ge $((size_tmp / 1024)) ] ||
+ error "MDT free space is wrong after append: " \
+ "$mdtfree1 >= $mdtfree2 + $size_tmp/1024"
fi
# delete
if [ $space_check == 1 ]; then
mdtfree1=$(do_facet $facet \
lctl get_param -n osd*.*$mdtname.kbytesfree)
- [ $(($mdtfree1 - $mdtfree2)) -ge 112 ] ||
- error "MDT free space is wrong after removal"
+ # decrease in usage by $size_dom from previous
+ [ $(($mdtfree1 - $mdtfree2)) -ge $((size_dom / 1024)) ] ||
+ error "MDT free space is wrong after removal: " \
+ "$mdtfree1 >= $mdtfree2 + $size_dom/1024"
fi
# combined striping
$LFS setstripe -E 1024K -L mdt -E EOF $dom ||
error "Can't create DoM + OST striping"
- dd if=/dev/urandom of=$tmp bs=1024 count=2000
+ size_tmp=2031616 # must be a multiple of PAGE_SIZE=65536 on ARM
+ dd if=/dev/urandom of=$tmp bs=1024 count=$((size_tmp / 1024))
# check also direct IO along write
- dd if=$tmp of=$dom bs=102400 count=20 oflag=direct
+ dd if=$tmp of=$dom bs=65536 count=$((size_tmp / 65536)) oflag=direct
sync
cmp $tmp $dom || error "file data is different"
- [ $(stat -c%s $dom) == 2048000 ] || error "bad size after write"
- rm $dom
- rm $tmp
+ [ $(stat -c%s $dom) == $size_tmp ] ||
+ error "bad size after write: $(stat -c%s $dom) != $size_tmp"
+ rm $dom $tmp
return 0
}