Есть такая тулза для подчинения винтов своей воле. Смешное:
# hdparm -J 30 /dev/sda
/dev/sda:
Use of -J is EXTREMELY DANGEROUS.
This implementation is not as thorough as the official WDIDLE3.EXE. Use at your own risk!
Please also supply the --please-destroy-my-drive flag if you really want this.
Program aborted.
2013.03.02 16:01