52 lines
1.3 KiB
Text
52 lines
1.3 KiB
Text
set -x -e
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## test --replace for raid5 raid6 raid1 and raid10
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#1/ after replace, can remove replaced device
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#2/ after --replace-with cannot remove the 'with' device
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#3/ preserve integrity with concurrent failure
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for level in 1 5 6 10
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do
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dd if=/dev/zero of=$dev4 bs=1M || true
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dd if=/dev/zero of=$dev5 bs=1M || true
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mdadm -CR $md0 -l $level -n4 -x2 $devlist5
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dd if=/dev/urandom of=$md0 bs=1M || true
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sum=`sha1sum < $md0`
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check wait
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mdadm $md0 --replace $dev1
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check wait
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mdadm $md0 --remove $dev1
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mdadm $md0 --remove $dev5 && exit 1
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mdadm -S $md0
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dd if=/dev/zero of=$dev4 bs=1M || true
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dd if=/dev/zero of=$dev5 bs=1M || true
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mdadm -CR $md0 -l $level -n4 -x2 $devlist5
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check wait
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sum1=`sha1sum < $md0`
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[ "$sum" == "$sum1" ]
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mdadm $md0 --replace $dev1 --with $dev4
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check wait
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mdadm $md0 --remove $dev1
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mdadm $md0 --remove $dev5
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mdadm $md0 --remove $dev4 && exit 1
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mdadm $md0 --add $dev1 $dev5
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mdadm $md0 --replace $dev0
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sleep 2
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mdadm $md0 --fail $dev2
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check wait
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sum2=`sha1sum < $md0`
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[ "$sum" == "$sum2" ]
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mdadm $md0 --remove $dev0 $dev2
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mdadm $md0 --add $dev0 $dev2
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mdadm $md0 --replace $dev3
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sleep 2
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mdadm $md0 --fail $dev0 $dev2
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check wait
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sum3=`sha1sum < $md0`
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[ "$sum" == "$sum3" ]
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mdadm -S $md0
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done
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