Various handy hardisk scripts

disk_rescan.sh

#!/bin/sh
# Rescan Hard disks

if [ "$(id -u)" != "0" ]; then
    echo "Run as root" 1>&2
    exit 1
fi

for i in $(ls /sys/class/scsi_host/); do
    echo "- - -" > /sys/class/scsi_host/$i/scan;
done

disk_spindown.sh

#!/bin/sh
hdparm -Y $1