#!/bin/bash
# No mdadm? No mdraid support.
which mdadm >/dev/null 2>&1 || exit 1
. $dracutfunctions
[[ $debug ]] && set -x
is_mdraid() { [[ -d "/sys/dev/block/$1/md" ]]; }
[[ $1 = '-h' ]] && {
rootdev=$(find_root_block_device)
if [[ $rootdev ]]; then
# root lives on a block device, so we can be more precise about
# hostonly checking
check_block_and_slaves is_mdraid "$rootdev" || exit 1
else
# root is not on a block device, use the shotgun approach
blkid | egrep -q '(linux|isw)_raid' || exit 1
fi
}
exit 0
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