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.
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.
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]
24 # Copyright 2007 Sun Microsystems, Inc. All rights reserved.
25 # Use is subject to license terms.
29 # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
32 . $STF_SUITE/include/libtest.shlib
33 . $STF_SUITE/tests/functional/snapshot/snapshot.cfg
37 # A zfs file system snapshot is identical to
38 # the originally snapshot'd file system, after the file
39 # system has been changed. Uses 'sum -r'.
42 # 1. Create a file in the zfs file system
43 # 2. Checksum the file for later comparison
44 # 3. Create a snapshot of the dataset
45 # 4. Append to the original file
46 # 5. Verify the snapshot and file agree
49 verify_runnable "both"
54 if [[ $? -eq 0 ]]; then
55 log_must zfs destroy $SNAPFS
58 if [[ -e $SNAPDIR ]]; then
59 log_must rm -rf $SNAPDIR > /dev/null 2>&1
62 if [[ -e $TESTDIR ]]; then
63 log_must rm -rf $TESTDIR/* > /dev/null 2>&1
67 log_assert "Verify a file system snapshot is identical to original."
71 log_note "Create a file in the zfs filesystem..."
72 log_must file_write -o create -f $TESTDIR/$TESTFILE -b $BLOCKSZ \
73 -c $NUM_WRITES -d $DATA
75 log_note "Sum the file, save for later comparison..."
76 FILE_SUM=`sum -r $TESTDIR/$TESTFILE | awk '{ print $1 }'`
77 log_note "FILE_SUM = $FILE_SUM"
79 log_note "Create a snapshot and mount it..."
80 log_must zfs snapshot $SNAPFS
82 log_note "Append to the original file..."
83 log_must file_write -o append -f $TESTDIR/$TESTFILE -b $BLOCKSZ \
84 -c $NUM_WRITES -d $DATA
86 SNAP_FILE_SUM=`sum -r $SNAPDIR/$TESTFILE | awk '{ print $1 }'`
87 if [[ $SNAP_FILE_SUM -ne $FILE_SUM ]]; then
88 log_fail "Sums do not match, aborting!! ($SNAP_FILE_SUM != $FILE_SUM)"
91 log_pass "Both Sums match. ($SNAP_FILE_SUM == $FILE_SUM)"