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# $FreeBSD$ 24 25# 26# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 27# Use is subject to license terms. 28# 29# ident "@(#)snapshot_008_pos.ksh 1.2 07/01/09 SMI" 30# 31. $STF_SUITE/include/libtest.kshlib 32 33################################################################################ 34# 35# __stc_assertion_start 36# 37# ID: snapshot_008_pos 38# 39# DESCRIPTION: 40# Verify that destroying snapshots returns space to the pool. 41# 42# STRATEGY: 43# 1. Create a file system and populate it while snapshotting. 44# 2. Destroy the snapshots and remove the files. 45# 3. Verify the space returns to the pool. 46# 47# TESTABILITY: explicit 48# 49# TEST_AUTOMATION_LEVEL: automated 50# 51# CODING_STATUS: COMPLETED (2005-09-29) 52# 53# __stc_assertion_end 54# 55################################################################################ 56 57verify_runnable "both" 58 59function cleanup 60{ 61 typeset -i i=1 62 while [[ $i -lt $COUNT ]]; do 63 snapexists $SNAPFS.$i 64 [[ $? -eq 0 ]] && \ 65 log_must $ZFS destroy $SNAPFS.$i 66 67 (( i = i + 1 )) 68 done 69 70 [[ -e $TESTDIR ]] && \ 71 log_must $RM -rf $TESTDIR/* > /dev/null 2>&1 72} 73 74log_assert "Verify that destroying snapshots returns space to the pool." 75 76log_onexit cleanup 77 78[[ -n $TESTDIR ]] && \ 79 log_must $RM -rf $TESTDIR/* > /dev/null 2>&1 80 81typeset -i COUNT=10 82 83orig_size=`get_prop available $TESTPOOL` 84 85log_note "Populate the $TESTDIR directory" 86populate_dir $TESTDIR/file $COUNT $NUM_WRITES $BLOCKSZ ITER $SNAPFS 87 88typeset -i i=1 89while [[ $i -lt $COUNT ]]; do 90 log_must rm -f $TESTDIR/file.$i > /dev/null 2>&1 91 log_must $ZFS destroy $SNAPFS.$i 92 93 (( i = i + 1 )) 94done 95 96new_size=`get_prop available $TESTPOOL` 97 98typeset -i tolerance=0 99 100(( tolerance = new_size - orig_size)) 101if (( tolerance > LIMIT )); then 102 log_fail "Space not freed. ($orig_size != $new_size)" 103fi 104 105log_pass "After destroying snapshots, the space is returned to the pool." 106