#! /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, 2016 by Delphix. All rights reserved. # . $STF_SUITE/include/libtest.shlib . $STF_SUITE/tests/functional/snapshot/snapshot.cfg # # DESCRIPTION: # to the originally snapshot'd file system, after the file # system has been changed. Uses 'sum -r'. # # STRATEGY: # 1) Create a file in the zfs dataset # 2) Sum the file for later comparison # 3) Create a snapshot of the dataset # 4) Append to the original file # 5) Verify both checksums match # verify_runnable "both" function cleanup { snapexists $SNAPCTR if [[ $? -eq 0 ]]; then log_must zfs destroy $SNAPCTR fi if [[ -e $SNAPDIR1 ]]; then log_must rm -rf $SNAPDIR1 > /dev/null 2>&1 fi if [[ -e $TESTDIR ]]; then log_must rm -rf $TESTDIR/* > /dev/null 2>&1 fi } log_assert "Verify that a snapshot of a dataset is identical to " \ "the original dataset." log_onexit cleanup log_note "Create a file in the zfs filesystem..." log_must file_write -o create -f $TESTDIR1/$TESTFILE -b $BLOCKSZ \ -c $NUM_WRITES -d $DATA log_note "Sum the file, save for later comparison..." FILE_SUM=`sum -r $TESTDIR1/$TESTFILE | awk '{ print $1 }'` log_note "FILE_SUM = $FILE_SUM" log_note "Create a snapshot and mount it..." log_must zfs snapshot $SNAPCTR log_note "Append to the original file..." log_must file_write -o append -f $TESTDIR1/$TESTFILE -b $BLOCKSZ \ -c $NUM_WRITES -d $DATA SNAP_FILE_SUM=`sum -r $SNAPDIR1/$TESTFILE | awk '{ print $1 }'` if [[ $SNAP_FILE_SUM -ne $FILE_SUM ]]; then log_fail "Sums do not match, aborting!! ($SNAP_FILE_SUM != $FILE_SUM)" fi log_pass "Both Sums match. ($SNAP_FILE_SUM == $FILE_SUM)"