#!/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: # Take a checkpoint and discard checkpointed data twice. The # idea is to ensure that the background discard zfs thread is # always running and works as expected. # # STRATEGY: # 1. Create pool # 2. Populate it and then take a checkpoint # 3. Do some changes afterwards, and then discard checkpoint # 4. Repeat steps 2 and 3 # 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 test_wait_discard_finish log_must mkfile -n 100M $FS2FILE log_must randwritecomp $FS2FILE 100 log_must zpool checkpoint $TESTPOOL log_must randwritecomp $FS2FILE 100 log_must zpool checkpoint -d $TESTPOOL test_wait_discard_finish log_pass "Background discarding works as expected."