How do i make it so DSL auto mount my HDD´s as read only?One thing you could do to mount your drives is add something to /opt/bootlocal.sh. Try adding something like
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mount -o ro /dev/hda1 mount -o ro /dev/hda2 etc....
(replacing the device names with the partitions you want mounted).
Or if you want everything mounted something like
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while read device mountpoint fs relax; do mount -o ro -t $fs $device $mountpoint done << EOF `scanpartitions` EOF