186714001SSerapheim Dimitropoulos#!/usr/bin/ksh -p 286714001SSerapheim Dimitropoulos 386714001SSerapheim Dimitropoulos# 486714001SSerapheim Dimitropoulos# This file and its contents are supplied under the terms of the 586714001SSerapheim Dimitropoulos# Common Development and Distribution License ("CDDL"), version 1.0. 686714001SSerapheim Dimitropoulos# You may only use this file in accordance with the terms of version 786714001SSerapheim Dimitropoulos# 1.0 of the CDDL. 886714001SSerapheim Dimitropoulos# 986714001SSerapheim Dimitropoulos# A full copy of the text of the CDDL should have accompanied this 1086714001SSerapheim Dimitropoulos# source. A copy of the CDDL is also available via the Internet at 1186714001SSerapheim Dimitropoulos# http://www.illumos.org/license/CDDL. 1286714001SSerapheim Dimitropoulos# 1386714001SSerapheim Dimitropoulos 1486714001SSerapheim Dimitropoulos# 1586714001SSerapheim Dimitropoulos# Copyright (c) 2017, 2018 by Delphix. All rights reserved. 1686714001SSerapheim Dimitropoulos# 1786714001SSerapheim Dimitropoulos 1886714001SSerapheim Dimitropoulos. $STF_SUITE/tests/functional/pool_checkpoint/pool_checkpoint.kshlib 1986714001SSerapheim Dimitropoulos 2086714001SSerapheim Dimitropoulos# 2186714001SSerapheim Dimitropoulos# DESCRIPTION: 2286714001SSerapheim Dimitropoulos# Rewind to checkpoint on a stressed pool. We basically try to 2386714001SSerapheim Dimitropoulos# fragment the pool before and after taking a checkpoint and 2486714001SSerapheim Dimitropoulos# see if zdb finds any checksum or other errors that imply that 2586714001SSerapheim Dimitropoulos# blocks from the checkpoint have been reused. 2686714001SSerapheim Dimitropoulos# 2786714001SSerapheim Dimitropoulos# STRATEGY: 2886714001SSerapheim Dimitropoulos# 1. Import pool that's slightly fragmented 2986714001SSerapheim Dimitropoulos# 2. Take checkpoint 3086714001SSerapheim Dimitropoulos# 3. Apply a destructive action and do more random writes 3186714001SSerapheim Dimitropoulos# 4. Run zdb on both current and checkpointed data and make 3286714001SSerapheim Dimitropoulos# sure that zdb returns with no errors 3386714001SSerapheim Dimitropoulos# 5. Rewind to checkpoint 3486714001SSerapheim Dimitropoulos# 6. Run zdb again 3586714001SSerapheim Dimitropoulos# 3686714001SSerapheim Dimitropoulos 3786714001SSerapheim Dimitropoulosverify_runnable "global" 3886714001SSerapheim Dimitropoulos 3986714001SSerapheim Dimitropoulossetup_nested_pool_state 4086714001SSerapheim Dimitropouloslog_onexit cleanup_nested_pools 4186714001SSerapheim Dimitropoulos 4286714001SSerapheim Dimitropouloslog_must zpool checkpoint $NESTEDPOOL 4386714001SSerapheim Dimitropoulos 4486714001SSerapheim Dimitropoulos# 4586714001SSerapheim Dimitropoulos# Destroy one dataset, modify an existing one and create a 4686714001SSerapheim Dimitropoulos# a new one. Do more random writes in an attempt to raise 4786714001SSerapheim Dimitropoulos# more fragmentation. Then verify both current and checkpointed 4886714001SSerapheim Dimitropoulos# states. 4986714001SSerapheim Dimitropoulos# 5086714001SSerapheim Dimitropoulosfragment_after_checkpoint_and_verify 5186714001SSerapheim Dimitropoulos 5286714001SSerapheim Dimitropouloslog_must zpool export $NESTEDPOOL 5386714001SSerapheim Dimitropouloslog_must zpool import -d $FILEDISKDIR --rewind-to-checkpoint $NESTEDPOOL 5486714001SSerapheim Dimitropoulos 55*77c6489aSBrian Behlendorflog_must zpool export $NESTEDPOOL 56*77c6489aSBrian Behlendorflog_must zdb -e -p $FILEDISKDIR $NESTEDPOOL 5786714001SSerapheim Dimitropoulos 5886714001SSerapheim Dimitropouloslog_pass "Rewind to checkpoint on a stressed pool." 59