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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2023-02-24 14:34:34 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2023-02-24 14:34:34 +0000 |
commit | 946b54554e13d6a97940df936123855e0a305abc (patch) | |
tree | 80a778fbd7bb3c7858cfac572df1cb08cfa4f988 /tests/19raid6repair | |
parent | Initial commit. (diff) | |
download | mdadm-946b54554e13d6a97940df936123855e0a305abc.tar.xz mdadm-946b54554e13d6a97940df936123855e0a305abc.zip |
Adding upstream version 4.2.upstream/4.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/19raid6repair')
-rw-r--r-- | tests/19raid6repair | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tests/19raid6repair b/tests/19raid6repair new file mode 100644 index 0000000..26846cc --- /dev/null +++ b/tests/19raid6repair @@ -0,0 +1,56 @@ +number_of_disks=4 +chunksize_in_kib=512 +chunksize_in_b=$[chunksize_in_kib*1024] +array_data_size_in_kib=$[chunksize_in_kib*(number_of_disks-2)*number_of_disks] +array_data_size_in_b=$[array_data_size_in_kib*1024] +devs="$dev1 $dev2 $dev3 $dev4" + +# default 2048 sectors +data_offset_in_kib=$[2048/2] + +layouts="ls rs la ra parity-first ddf-zero-restart ddf-N-restart ddf-N-continue \ + left-asymmetric-6 right-asymmetric-6 left-symmetric-6 \ + right-symmetric-6 parity-first-6" + +for layout in $layouts +do + for failure in "$dev3 3 3 2" "$dev3 3 2 3" "$dev3 3 2 1" "$dev3 3 2 0" \ + "$dev4 3 3 0" "$dev4 3 3 1" "$dev4 3 3 2" \ + "$dev1 3 0 1" "$dev1 3 0 2" "$dev1 3 0 3" \ + "$dev2 3 1 0" "$dev2 3 1 2" "$dev2 3 1 3" ; do + failure_split=( $failure ) + device_with_error=${failure_split[0]} + stripe_with_error=${failure_split[1]} + repair_params="$stripe_with_error ${failure_split[2]} ${failure_split[3]}" + start_of_errors_in_kib=$[data_offset_in_kib+chunksize_in_kib*stripe_with_error] + + # make a raid5 from a file + dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$array_data_size_in_kib + mdadm -CR $md0 -l6 --layout=$layout -n$number_of_disks -c $chunksize_in_kib $devs + dd if=/tmp/RandFile of=$md0 bs=1024 count=$array_data_size_in_kib + blockdev --flushbufs $md0; sync + + check wait + blockdev --flushbufs $devs; sync + echo 3 > /proc/sys/vm/drop_caches + cmp -s -n $array_data_size_in_b $md0 /tmp/RandFile || { echo sanity cmp failed ; exit 2; } + + dd if=/dev/urandom of=$device_with_error bs=1024 count=$chunksize_in_kib seek=$start_of_errors_in_kib + blockdev --flushbufs $device_with_error; sync + echo 3 > /proc/sys/vm/drop_caches + + $dir/raid6check $md0 0 0 2>&1 | grep -qs "Error" || { echo should detect errors; exit 2; } + + $dir/raid6check $md0 repair $repair_params > /dev/null || { echo repair failed; exit 2; } + blockdev --flushbufs $md0 $devs; sync + echo 3 > /proc/sys/vm/drop_caches + + $dir/raid6check $md0 0 0 2>&1 | grep -qs "Error" && { echo errors detected; exit 2; } + cmp -s -n $array_data_size_in_b $md0 /tmp/RandFile || { echo cmp failed ; exit 2; } + + mdadm -S $md0 + udevadm settle + sync + echo 3 > /proc/sys/vm/drop_caches + done +done |