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# make a raid5 array, byte swap the superblocks, then assemble...
mdadm -CR $md0 -e 0.90 -l5 -n4 $dev0 $dev1 $dev2 $dev3
sleep 4
mdadm -S $md0
mdadm -E --metadata=0 $dev1 > $targetdir/d1
for d in $dev0 $dev1 $dev2 $dev3
do $dir/swap_super $d
done
mdadm -E --metadata=0.swap $dev1 > $targetdir/d1s
diff -u $targetdir/d1 $targetdir/d1s
mdadm --assemble --update=byteorder $md0 $dev0 $dev1 $dev2 $dev3
sleep 3
check recovery
mdadm -S $md0
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