1#! /usr/local/bin/ksh93 -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22 23# 24# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26. $STF_SUITE/include/libtest.kshlib 27 28################################################################################ 29# 30# __stc_assertion_start 31# 32# ID: snapshot_008_pos 33# 34# DESCRIPTION: 35# Verify that destroying snapshots returns space to the pool. 36# 37# STRATEGY: 38# 1. Create a file system and populate it while snapshotting. 39# 2. Destroy the snapshots and remove the files. 40# 3. Verify the space returns to the pool. 41# 42# TESTABILITY: explicit 43# 44# TEST_AUTOMATION_LEVEL: automated 45# 46# CODING_STATUS: COMPLETED (2005-09-29) 47# 48# __stc_assertion_end 49# 50################################################################################ 51 52verify_runnable "both" 53 54function cleanup 55{ 56 typeset -i i=1 57 while [[ $i -lt $COUNT ]]; do 58 snapexists $SNAPFS.$i 59 [[ $? -eq 0 ]] && \ 60 log_must $ZFS destroy $SNAPFS.$i 61 62 (( i = i + 1 )) 63 done 64 65 [[ -e $TESTDIR ]] && \ 66 log_must $RM -rf $TESTDIR/* > /dev/null 2>&1 67} 68 69log_assert "Verify that destroying snapshots returns space to the pool." 70 71log_onexit cleanup 72 73[[ -n $TESTDIR ]] && \ 74 log_must $RM -rf $TESTDIR/* > /dev/null 2>&1 75 76typeset -i COUNT=10 77 78orig_size=`get_prop available $TESTPOOL` 79 80log_note "Populate the $TESTDIR directory" 81populate_dir $TESTDIR/file $COUNT $NUM_WRITES $BLOCKSZ ITER $SNAPFS 82 83typeset -i i=1 84while [[ $i -lt $COUNT ]]; do 85 log_must rm -f $TESTDIR/file.$i > /dev/null 2>&1 86 log_must $ZFS destroy $SNAPFS.$i 87 88 (( i = i + 1 )) 89done 90 91new_size=`get_prop available $TESTPOOL` 92 93typeset -i tolerance=0 94 95(( tolerance = new_size - orig_size)) 96if (( tolerance > LIMIT )); then 97 log_fail "Space not freed. ($orig_size != $new_size)" 98fi 99 100log_pass "After destroying snapshots, the space is returned to the pool." 101