3 # Copyright (C) 2018 Red Hat Inc.
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions are
9 # * Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
12 # * Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in the
14 # documentation and/or other materials provided with the distribution.
16 # * Neither the name of Red Hat nor the names of its contributors may be
17 # used to endorse or promote products derived from this software without
18 # specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23 # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
24 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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28 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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30 # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 requires qemu-io
--version
40 files
="$sock error10.pid"
42 cleanup_fn
rm -f $files
44 # Run nbdkit with the error filter.
45 start_nbdkit
-P error10.pid
-U $sock \
47 pattern
1G error-rate
=10%
49 # The error rate is 10% so about every 1 in 10 operations should fail.
52 qemu-io
-r -f raw
"nbd+unix://?socket=$sock" \
53 -c "r 0 512" ||
((++errors
))
57 # Unfortunately there's no "right answer" here, so our policy is if we
58 # see the error number in a real test run we will extend the
60 if [ $errors -lt 3 ] ||
[ $errors -gt 21 ]; then
61 echo "$0: unexpected error rate"