30 lines
588 B
Plaintext
30 lines
588 B
Plaintext
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# Check integrity of raid5 in degraded mode
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# Create a 4 disk raid5, create a filesystem and
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# sh1sum it with each device failed
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for layout in ls rs la ra
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do
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mdadm -CR $md0 -l5 --layout $layout -n4 $dev0 $dev1 $dev2 $dev3
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check wait
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tar cf - /etc > $md0
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sum=`sha1sum $md0`
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for i in $dev0 $dev1 $dev2 $dev3
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do
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mdadm $md0 -f $i
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mdadm $md0 -r $i
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blockdev --flushbufs $md0
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sum1=`sha1sum $md0`
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if [ $sum != $sum1 ]
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then
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echo $sum does not matc $sum1 with $i missing
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exit 1
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fi
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mdadm $md0 -a $i
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check wait
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done
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mdadm -S $md0
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done
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