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Commit | Line | Data |
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696e95a1 RB |
1 | number_of_disks=7 |
2 | chunksize_in_kib=512 | |
3 | array_data_size_in_kib=$[chunksize_in_kib*(number_of_disks-2)*number_of_disks] | |
4 | array_data_size_in_b=$[array_data_size_in_kib*1024] | |
5 | devs="$dev0 $dev1 $dev2 $dev3 $dev4 $dev5 $dev6" | |
6 | ||
7 | dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$array_data_size_in_kib | |
8 | mdadm -CR $md0 -l6 -n$number_of_disks -c $chunksize_in_kib $devs | |
9 | dd if=/tmp/RandFile of=$md0 bs=1024 count=$array_data_size_in_kib | |
10 | blockdev --flushbufs $md0; sync | |
11 | check wait | |
12 | blockdev --flushbufs $devs; sync | |
13 | echo 3 > /proc/sys/vm/drop_caches | |
14 | $dir/raid6check $md0 repair 1 2 3 > /dev/null # D D | |
15 | $dir/raid6check $md0 repair 8 2 5 > /dev/null # D P | |
16 | $dir/raid6check $md0 repair 15 4 6 > /dev/null # D Q | |
17 | $dir/raid6check $md0 repair 22 5 6 > /dev/null # P Q | |
18 | $dir/raid6check $md0 repair 3 4 0 > /dev/null # Q D | |
19 | $dir/raid6check $md0 repair 3 3 1 > /dev/null # P D | |
20 | $dir/raid6check $md0 repair 6 4 5 > /dev/null # D<D | |
21 | $dir/raid6check $md0 repair 13 5 4 > /dev/null # D>D | |
22 | blockdev --flushbufs $devs; sync | |
23 | echo 3 > /proc/sys/vm/drop_caches | |
24 | $dir/raid6check $md0 0 0 2>&1 | grep -qs "Error" && { echo errors detected; exit 2; } | |
25 | cmp -s -n $array_data_size_in_b $md0 /tmp/RandFile || { echo should not mess up correct stripe ; exit 2; } | |
26 | ||
27 | mdadm -S $md0 | |
28 | udevadm settle |