xref: /titanic_44/usr/src/test/zfs-tests/tests/functional/devices/devices_003_pos.ksh (revision f38cb554a534c6df738be3f4d23327e69888e634)
1#!/usr/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 by Delphix. All rights reserved.
30#
31
32. $STF_SUITE/include/libtest.shlib
33
34#
35# DESCRIPTION:
36#
37# Writing random data into /dev/zfs should do no harm.
38#
39# STRATEGY:
40# 1. Write some random data into /dev/zfs
41# 2. Verify that this should fail.
42#
43#
44
45log_assert "Writing random data into /dev/zfs should do no harm."
46
47log_mustnot $DD if=/dev/urandom of=/dev/zfs count=1024
48
49log_pass "Writing random data into /dev/zfs should do no harm."
50