ata controller to disk mappings (e.g. ata0 has sda)

ata-disk-mappings.sh

#!/bin/sh

# ata bus to harddisk mappings

for device in `ls /sys/block/ | grep '[hs]d'`; do
        host=`ls /sys/block/${device}/../../../../scsi_host/`
        unique_id=`cat /sys/block/${device}/../../../../scsi_host/${host}/unique_id`
        echo "ata${unique_id} is scsi_host ${host} with attached device ${device}"
done