Power Posts

Force Hard Drives to Sleep on Arch Linux

arch-linux-wd-usb

Hard drives can account for a big chunk if not the vast majority of power usage in home servers depending on the number of drives. Most hard drives can be put into sleep or stand-by mode to reduce power usage dramatically with standard Linux tools. Western Digital drives and many external USB drives however require a more forceful methods. Fortunately hd-idle can spin down any SATA or USB drive.