Eu já descobri que precisava ativar o raid e montá-lo com mount /dev/md1 /mnt/raid
:
How do I mount a software RAID in the Rescue System?
The command:
cat /proc/mdstat
shows all available software RAID arrays. Normally the Rescue System assembles all autodected arrays. Should your array not be automatically started, you can manually do so with the following command:
mdadm --assemble /dev/md0 /dev/sda1 /dev/sdb1
Now you can mount the just created MD device with:
mount /dev/md0 /mnt