mdadm/tests/04r0update
NeilBrown 7d5c3964cc Change default metadata from 0.90 to 1.1
1.1 is more flexible in a number of ways and is safer.
0.90 is still fully supported.
1.0 should possibly be used for RAID1 arrays that you
want to boot off, depending on your boot loader.

Signed-off-by: NeilBrown <neilb@suse.de>
2009-11-17 13:15:32 +11:00

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# create a raid0, re-assemble with a different super-minor
mdadm -CR -e 0.90 $md0 -l0 -n3 $dev0 $dev1 $dev2
testdev $md0 3 $mdsize0 512
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