+ echo "$files_on_starting_mdt files on MDT0"
+
+ $LFS migrate -m 1,3 $DIR/$tdir || error "migrate -m 1,3 failed"
+ $LFS getdirstripe $DIR/$tdir
+
+ files_on_starting_mdt=0
+ for i in $(seq $total); do
+ $(echo $((i*i - i)) | cmp $DIR/$tdir/$tfile.$i -) ||
+ error "file $tfile.$i mismatch after migration"
+ [[ $($LFS getstripe -m $DIR/$tdir/$tfile.$i) -eq 1 ]] &&
+ files_on_starting_mdt=$((files_on_starting_mdt + 1))
+ done
+
+ echo "$files_on_starting_mdt files on MDT1 after migration"
+ [[ $files_on_starting_mdt -eq $total ]] && error "all files on MDT1"
+
+ $LFS migrate -m 0 -c 2 $DIR/$tdir || error "migrate -m 0 -c 2 failed"
+ $LFS getdirstripe $DIR/$tdir
+
+ files_on_starting_mdt=0
+ for i in $(seq $total); do
+ $(echo $((i*i - i)) | cmp $DIR/$tdir/$tfile.$i -) ||
+ error "file $tfile.$i mismatch after 2nd migration"
+ [[ $($LFS getstripe -m $DIR/$tdir/$tfile.$i) -eq 0 ]] &&
+ files_on_starting_mdt=$((files_on_starting_mdt + 1))
+ done
+
+ echo "$files_on_starting_mdt files on MDT0 after 2nd migration"
+ [[ $files_on_starting_mdt -eq $total ]] && error "all files on MDT0"
+
+ true
+}
+run_test 230k "file data not changed after dir migration"
+
+test_230l() {
+ [ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
+ [ $MDS1_VERSION -lt $(version_code 2.11.56) ] &&
+ skip "Need MDS version at least 2.11.56"
+
+ $LFS mkdir -i 0 -c 1 $DIR/$tdir || error "mkdir failed"
+ createmany -o $DIR/$tdir/f___________________________________ 1000 ||
+ error "create files under remote dir failed $i"
+ $LFS migrate -m 1 $DIR/$tdir || error "migrate failed"
+}
+run_test 230l "readdir between MDTs won't crash"
+
+test_230m() {
+ [ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
+ [ $MDS1_VERSION -lt $(version_code 2.11.56) ] &&
+ skip "Need MDS version at least 2.11.56"
+
+ local MDTIDX=1
+ local mig_dir=$DIR/$tdir/migrate_dir
+ local longstr="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ local shortstr="b"
+ local val
+
+ echo "Creating files and dirs with xattrs"
+ test_mkdir $DIR/$tdir
+ test_mkdir -i0 -c1 $mig_dir
+ mkdir $mig_dir/dir
+ setfattr -n user.attr1 -v $longstr $mig_dir/dir ||
+ error "cannot set xattr attr1 on dir"
+ setfattr -n user.attr2 -v $shortstr $mig_dir/dir ||
+ error "cannot set xattr attr2 on dir"
+ touch $mig_dir/dir/f0
+ setfattr -n user.attr1 -v $longstr $mig_dir/dir/f0 ||
+ error "cannot set xattr attr1 on file"
+ setfattr -n user.attr2 -v $shortstr $mig_dir/dir/f0 ||
+ error "cannot set xattr attr2 on file"
+ sync ; sync ; echo 3 > /proc/sys/vm/drop_caches
+ val=$(getfattr --only-values -n user.attr1 $mig_dir/dir 2>/dev/null)
+ [ "$val" = $longstr ] || error "xattr attr1 not set properly on dir"
+ val=$(getfattr --only-values -n user.attr2 $mig_dir/dir 2>/dev/null)
+ [ "$val" = $shortstr ] || error "xattr attr2 not set properly on dir"
+ val=$(getfattr --only-values -n user.attr1 $mig_dir/dir/f0 2>/dev/null)
+ [ "$val" = $longstr ] || error "xattr attr1 not set properly on file"
+ val=$(getfattr --only-values -n user.attr2 $mig_dir/dir/f0 2>/dev/null)
+ [ "$val" = $shortstr ] || error "xattr attr2 not set properly on file"
+
+ echo "Migrating to MDT1"
+ $LFS migrate -m $MDTIDX $mig_dir ||
+ error "fails on migrating dir to MDT1"
+
+ sync ; sync ; echo 3 > /proc/sys/vm/drop_caches
+ echo "Checking xattrs"
+ val=$(getfattr --only-values -n user.attr1 $mig_dir/dir 2>/dev/null)
+ [ "$val" = $longstr ] ||
+ error "expecting xattr1 $longstr on dir, found $val"
+ val=$(getfattr --only-values -n user.attr2 $mig_dir/dir 2>/dev/null)
+ [ "$val" = $shortstr ] ||
+ error "expecting xattr2 $shortstr on dir, found $val"
+ val=$(getfattr --only-values -n user.attr1 $mig_dir/dir/f0 2>/dev/null)
+ [ "$val" = $longstr ] ||
+ error "expecting xattr1 $longstr on file, found $val"
+ val=$(getfattr --only-values -n user.attr2 $mig_dir/dir/f0 2>/dev/null)
+ [ "$val" = $shortstr ] ||
+ error "expecting xattr2 $shortstr on file, found $val"
+}
+run_test 230m "xattrs not changed after dir migration"
+
+test_230n() {
+ [ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
+ [[ $MDS1_VERSION -ge $(version_code 2.13.53) ]] ||
+ skip "Need MDS version at least 2.13.53"
+
+ $LFS mkdir -i 0 $DIR/$tdir || error "mkdir $tdir failed"
+ cat /etc/hosts > $DIR/$tdir/$tfile
+ $LFS mirror extend -N1 $DIR/$tdir/$tfile || error "Mirroring failed"
+ $LFS migrate -m 1 $DIR/$tdir || error "Migration failed"
+
+ cmp /etc/hosts $DIR/$tdir/$tfile ||
+ error "File data mismatch after migration"
+}
+run_test 230n "Dir migration with mirrored file"
+
+test_230o() {
+ [ $MDSCOUNT -ge 2 ] || skip "needs >= 2 MDTs"
+ [ $MDS1_VERSION -ge $(version_code 2.13.52) ] ||
+ skip "Need MDS version at least 2.13.52"
+
+ local mdts=$(comma_list $(mdts_nodes))
+ local timeout=100
+
+ local restripe_status
+ local delta
+ local i
+ local j
+
+ [[ $(facet_fstype mds1) == zfs ]] && timeout=300
+
+ # in case "crush" hash type is not set
+ do_nodes $mdts "$LCTL set_param lod.*.mdt_hash=crush"
+
+ restripe_status=$(do_facet mds1 $LCTL get_param -n \
+ mdt.*MDT0000.enable_dir_restripe)
+ do_nodes $mdts "$LCTL set_param mdt.*.enable_dir_restripe=1"
+ stack_trap "do_nodes $mdts $LCTL set_param \
+ mdt.*.enable_dir_restripe=$restripe_status"
+
+ mkdir $DIR/$tdir
+ createmany -m $DIR/$tdir/f 100 ||
+ error "create files under remote dir failed $i"
+ createmany -d $DIR/$tdir/d 100 ||
+ error "create dirs under remote dir failed $i"
+
+ for i in $(seq 2 $MDSCOUNT); do
+ do_nodes $mdts "$LCTL set_param mdt.*.md_stats=clear > /dev/null"
+ $LFS setdirstripe -c $i $DIR/$tdir ||
+ error "split -c $i $tdir failed"
+ wait_update $HOSTNAME \
+ "$LFS getdirstripe -H $DIR/$tdir" "crush" $timeout ||
+ error "dir split not finished"
+ delta=$(do_nodes $mdts "lctl get_param -n mdt.*MDT*.md_stats" |
+ awk '/migrate/ {sum += $2} END { print sum }')
+ echo "$delta files migrated when dir split from $((i - 1)) to $i stripes"
+ # delta is around total_files/stripe_count
+ [ $delta -lt $((200 /(i - 1))) ] ||
+ error "$delta files migrated"
+ done
+}
+run_test 230o "dir split"
+
+test_230p() {
+ [ $MDSCOUNT -ge 2 ] || skip "needs >= 2 MDTs"
+ [ $MDS1_VERSION -ge $(version_code 2.13.52) ] ||
+ skip "Need MDS version at least 2.13.52"
+
+ local mdts=$(comma_list $(mdts_nodes))
+ local timeout=100
+
+ local restripe_status
+ local delta
+ local i
+ local j
+
+ [[ $(facet_fstype mds1) == zfs ]] && timeout=300
+
+ do_nodes $mdts "$LCTL set_param lod.*.mdt_hash=crush"