its not possible at the moment because of the way the pandora boots, I asked this before, maybe in the future I hope.
# Switch to real root partition:
echo 0x0100 > /proc/sys/kernel/real-root-dev
mount -o ro,nolock -t $ROOTFS $ROOTDEV /mnt
---
umount /proc
umount /sys
echo "${INITRD}: exiting"
exec switch_root /mnt /sbin/init $RUNLEVEL
