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# create a raid0, re-assemble with a different super-minor
mdadm -CR -e 0.90 $md0 -llinear -n3 $dev0 $dev1 $dev2
testdev $md0 3 $mdsize0 1
minor1=`mdadm -E $dev0 | sed -n -e 's/.*Preferred Minor : //p'`
mdadm -S /dev/md0
mdadm -A $md1 $dev0 $dev1 $dev2
minor2=`mdadm -E $dev0 | sed -n -e 's/.*Preferred Minor : //p'`
mdadm -S /dev/md1
mdadm -A $md1 --update=super-minor $dev0 $dev1 $dev2
minor3=`mdadm -E $dev0 | sed -n -e 's/.*Preferred Minor : //p'`
mdadm -S /dev/md1
case "$minor1 $minor2 $minor3" in
"0 0 1" ) ;;
* ) echo >&2 "ERROR minors should be '0 0 1' but are '$minor1 $minor2 $minor3'"
exit 1
esac
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