#!/bin/bash levels=(raid0 raid1 raid4 raid5 raid6 raid10) if [ "$LINEAR" == "yes" ]; then levels+=( linear ) fi for metadata in 0.9 1.0 1.1 1.2 do for level in ${levels[@]} do if [[ $metadata == "0.9" && $level == "raid0" ]]; then continue fi mdadm -CR $md0 -l $level -n 4 --metadata=$metadata \ $dev1 $dev2 $dev3 $dev4 --assume-clean check nosync check $level udevadm settle mdadm -ro $md0 check readonly state=$(cat /sys/block/md0/md/array_state) [ "$state" == "readonly" ] || die "array_state should be 'readonly', but is $state" mdadm -w $md0 check $level mdadm -S $md0 done done exit 0