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#!/usr/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.
#
. $STF_SUITE/tests/functional/pool_checkpoint/pool_checkpoint.kshlib
#
# DESCRIPTION:
# Ensure that checkpoint verification within zdb wowrks as
# we expect.
#
# STRATEGY:
# 1. Create pool
# 2. Populate it
# 3. Take checkpoint
# 4. Modify data (include at least one destructive change)
# 5. Verify zdb finds checkpoint when run on current state
# 6. Verify zdb finds old dataset when run on checkpointed
# state
# 7. Discard checkpoint
# 8. Verify zdb does not find the checkpoint anymore in the
# current state.
# 9. Verify that zdb cannot find the checkpointed state
# anymore when trying to open it for verification.
#
verify_runnable "global"
#
# zdb does this thing where it imports the checkpointed state of the
# pool under a new pool with a different name, alongside the pool
# with the current state. The name of this temporary pool is the
# name of the actual pool with the suffix below appended to it.
#
CHECKPOINT_SUFFIX="_CHECKPOINTED_UNIVERSE"
CHECKPOINTED_FS1=$TESTPOOL$CHECKPOINT_SUFFIX/$TESTFS1
setup_test_pool
log_onexit cleanup_test_pool
populate_test_pool
log_must zpool checkpoint $TESTPOOL
test_change_state_after_checkpoint
zdb $TESTPOOL | grep "Checkpointed uberblock found" || \
log_fail "zdb could not find checkpointed uberblock"
zdb -k $TESTPOOL | grep "Checkpointed uberblock found" && \
log_fail "zdb found checkpointed uberblock in checkpointed state"
zdb $TESTPOOL | grep "Dataset $FS1" && \
log_fail "zdb found destroyed dataset in current state"
zdb -k $TESTPOOL | grep "Dataset $CHECKPOINTED_FS1" || \
log_fail "zdb could not find destroyed dataset in checkpoint"
log_must zpool checkpoint -d $TESTPOOL
zdb $TESTPOOL | grep "Checkpointed uberblock found" && \
log_fail "zdb found checkpointed uberblock after discarding " \
"the checkpoint"
zdb -k $TESTPOOL && \
log_fail "zdb opened checkpointed state that was discarded"
log_pass "zdb can analyze checkpointed pools."
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