#! /bin/ksh -p # # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License (the "License"). # You may not use this file except in compliance with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or http://www.opensolaris.org/os/licensing. # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # # Copyright 2007 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # # # Copyright (c) 2013 by Delphix. All rights reserved. # . $STF_SUITE/include/libtest.shlib . $STF_SUITE/tests/functional/snapshot/snapshot.cfg # # DESCRIPTION: # Create a null snapshot i.e. a snapshot created before file system # activity is empty. # # STRATEGY: # 1. Empty a file system # 2. Take a snapshot of the empty file system. # 3. Populate the file system # 4. Verify the snapshot is still empty # verify_runnable "both" function cleanup { snapexists $SNAPFS [[ $? -eq 0 ]] && \ log_must $ZFS destroy $SNAPFS [[ -e $TESTDIR ]] && \ log_must $RM -rf $TESTDIR/* > /dev/null 2>&1 } log_assert "Verify that a snapshot of an empty file system remains empty." log_onexit cleanup [[ -n $TESTDIR ]] && \ log_must $RM -rf $TESTDIR/* > /dev/null 2>&1 log_must $ZFS snapshot $SNAPFS FILE_COUNT=`$LS -Al $SNAPDIR | $GREP -v "total 0" | wc -l` if [[ $FILE_COUNT -ne 0 ]]; then $LS $SNAPDIR log_fail "BEFORE: $SNAPDIR contains $FILE_COUNT files(s)." fi typeset -i COUNT=10 log_note "Populate the $TESTDIR directory" typeset -i i=1 while [[ $i -lt $COUNT ]]; do log_must $FILE_WRITE -o create -f $TESTDIR/file$i \ -b $BLOCKSZ -c $NUM_WRITES -d $i (( i = i + 1 )) done FILE_COUNT=`$LS -Al $SNAPDIR | $GREP -v "total 0" | wc -l` if [[ $FILE_COUNT -ne 0 ]]; then $LS $SNAPDIR log_fail "AFTER: $SNAPDIR contains $FILE_COUNT files(s)." fi log_pass "The NULL snapshot remains empty."