#!/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, 2018 by Delphix. All rights reserved. # . $STF_SUITE/tests/functional/pool_checkpoint/pool_checkpoint.kshlib # # DESCRIPTION: # Rewind to checkpoint on a stressed pool. We basically try to # fragment the pool before and after taking a checkpoint and # see if zdb finds any checksum or other errors that imply that # blocks from the checkpoint have been reused. # # STRATEGY: # 1. Import pool that's slightly fragmented # 2. Take checkpoint # 3. Apply a destructive action and do more random writes # 4. Run zdb on both current and checkpointed data and make # sure that zdb returns with no errors # 5. Rewind to checkpoint # 6. Run zdb again # verify_runnable "global" setup_nested_pool_state log_onexit cleanup_nested_pools log_must zpool checkpoint $NESTEDPOOL # # Destroy one dataset, modify an existing one and create a # a new one. Do more random writes in an attempt to raise # more fragmentation. Then verify both current and checkpointed # states. # fragment_after_checkpoint_and_verify log_must zpool export $NESTEDPOOL log_must zpool import -d $FILEDISKDIR --rewind-to-checkpoint $NESTEDPOOL log_must zpool export $NESTEDPOOL log_must zdb -e -p $FILEDISKDIR $NESTEDPOOL log_pass "Rewind to checkpoint on a stressed pool."