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.
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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
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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# Verify that many snapshots can be made on a zfs file system.
38#
39# STRATEGY:
40# 1) Create a files in the zfs file system
41# 2) Create a snapshot of the dataset
42# 3) Remove all the files from the original file system
43# 4) Verify consistency of each snapshot directory
44#
45
46verify_runnable "both"
47
48function cleanup
49{
50	typeset -i i=1
51	while [ $i -lt $COUNT ]; do
52		snapexists $SNAPFS.$i
53		if [[ $? -eq 0 ]]; then
54			log_must zfs destroy $SNAPFS.$i
55		fi
56
57		if [[ -e $SNAPDIR.$i ]]; then
58			log_must rm -rf $SNAPDIR.$i > /dev/null 2>&1
59		fi
60
61		(( i = i + 1 ))
62	done
63
64	if [[ -e $TESTDIR ]]; then
65		log_must rm -rf $TESTDIR/* > /dev/null 2>&1
66	fi
67}
68
69log_assert "Verify many snapshots of a file system can be taken."
70
71log_onexit cleanup
72
73[[ -n $TESTDIR ]] && \
74    log_must rm -rf $TESTDIR/* > /dev/null 2>&1
75
76typeset -i COUNT=10
77
78log_note "Create some files in the $TESTDIR directory..."
79typeset -i i=1
80while [[ $i -lt $COUNT ]]; do
81	log_must file_write -o create -f $TESTDIR/file$i \
82	   -b $BLOCKSZ -c $NUM_WRITES -d $i
83	log_must zfs snapshot $SNAPFS.$i
84
85	(( i = i + 1 ))
86done
87
88log_note "Remove all of the original files"
89[[ -n $TESTDIR ]] && \
90    log_must rm -rf $TESTDIR/file* > /dev/null 2>&1
91
92i=1
93while [[ $i -lt $COUNT ]]; do
94	FILECOUNT=`ls $SNAPDIR.$i/file* | wc -l`
95	typeset j=1
96	while [ $j -lt $FILECOUNT ]; do
97		log_must file_check $SNAPDIR.$i/file$j $j
98		(( j = j + 1 ))
99	done
100	(( i = i + 1 ))
101done
102
103log_pass "All files are consistent"
104