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#!/bin/ksh -p
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2017 by Delphix. All rights reserved.
#
. $STF_SUITE/tests/functional/pool_checkpoint/pool_checkpoint.kshlib
#
# DESCRIPTION:
# Ensure that we can discard the checkpoint from a pool.
#
# STRATEGY:
# 1. Create pool
# 2. Populate it
# 3. Take checkpoint
# 4. Modify data (include at least one destructive change)
# 5. Discard checkpoint
# 6. Export and attempt to rewind. Rewinding should fail
# 7. Import pool normally and verify state
#
verify_runnable "global"
setup_test_pool
log_onexit cleanup_test_pool
populate_test_pool
log_must zpool checkpoint $TESTPOOL
test_change_state_after_checkpoint
log_must zpool checkpoint -d $TESTPOOL
log_must zpool export $TESTPOOL
log_mustnot zpool import --rewind-to-checkpoint $TESTPOOL
log_must zpool import $TESTPOOL
test_verify_post_checkpoint_state
log_pass "Discard checkpoint from pool."
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