1 files changed, 47 insertions, 0 deletions
diff --git a/test/shell/snapshot-usage-exa.sh b/test/shell/snapshot-usage-exa.sh
new file mode 100644
index 0000000..475960d
--- /dev/null
+++ b/test/shell/snapshot-usage-exa.sh
@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+# Copyright (C) 2015 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+# Check very large device size (upto 15Exa bytes)
+# this needs 64bit arch
+
+SKIP_WITH_LVMLOCKD=1
+SKIP_WITH_LVMPOLLD=1
+
+. lib/inittest
+
+aux can_use_16T || skip
+
+aux prepare_pvs 1
+get_devs
+
+# Prepare large enough backend device
+vgcreate -s 4M "$vg" "${DEVICES[@]}"
+lvcreate --type snapshot -s -l 100%FREE -n $lv $vg --virtualsize 15P
+
+aux lvmconf "devices/scan_lvs = 1"
+aux extend_filter_LVMTEST
+aux extend_devices "$DM_DEV_DIR/$vg/$lv"
+
+# Check usability with largest extent size
+pvcreate "$DM_DEV_DIR/$vg/$lv"
+vgcreate -s 4G $vg1 "$DM_DEV_DIR/$vg/$lv"
+
+lvcreate -an -Zn -l50%FREE -n $lv1 $vg1
+lvcreate -s -l100%FREE -n $lv2 $vg1/$lv1
+check lv_field $vg1/$lv2 size "7.50p"
+lvremove -ff $vg1
+
+lvcreate --type snapshot -V15E -l1 -n $lv1 -s $vg1
+check lv_field $vg1/$lv1 origin_size "15.00e"
+
+vgremove -ff $vg1
+vgremove -ff $vg