1#! /bin/ksh -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# 27 28# 29# Copyright (c) 2013, 2016 by Delphix. All rights reserved. 30# 31 32. $STF_SUITE/include/libtest.shlib 33. $STF_SUITE/tests/functional/snapshot/snapshot.cfg 34 35# 36# DESCRIPTION: 37# Create a null snapshot i.e. a snapshot created before file system 38# activity is empty. 39# 40# STRATEGY: 41# 1. Empty a file system 42# 2. Take a snapshot of the empty file system. 43# 3. Populate the file system 44# 4. Verify the snapshot is still empty 45# 46 47verify_runnable "both" 48 49function cleanup 50{ 51 snapexists $SNAPFS 52 [[ $? -eq 0 ]] && \ 53 log_must zfs destroy $SNAPFS 54 55 [[ -e $TESTDIR ]] && \ 56 log_must rm -rf $TESTDIR/* > /dev/null 2>&1 57} 58 59log_assert "Verify that a snapshot of an empty file system remains empty." 60 61log_onexit cleanup 62 63[[ -n $TESTDIR ]] && \ 64 log_must rm -rf $TESTDIR/* > /dev/null 2>&1 65 66log_must zfs snapshot $SNAPFS 67FILE_COUNT=`ls -Al $SNAPDIR | grep -v "total 0" | wc -l` 68if [[ $FILE_COUNT -ne 0 ]]; then 69 ls $SNAPDIR 70 log_fail "BEFORE: $SNAPDIR contains $FILE_COUNT files(s)." 71fi 72 73typeset -i COUNT=10 74 75log_note "Populate the $TESTDIR directory" 76typeset -i i=1 77while [[ $i -lt $COUNT ]]; do 78 log_must file_write -o create -f $TESTDIR/file$i \ 79 -b $BLOCKSZ -c $NUM_WRITES -d $i 80 81 (( i = i + 1 )) 82done 83 84FILE_COUNT=`ls -Al $SNAPDIR | grep -v "total 0" | wc -l` 85if [[ $FILE_COUNT -ne 0 ]]; then 86 ls $SNAPDIR 87 log_fail "AFTER: $SNAPDIR contains $FILE_COUNT files(s)." 88fi 89 90log_pass "The NULL snapshot remains empty." 91