Wolfgang S. Rupprecht wrote:
Bill Davidsen davidsen@tmr.com writes:
Wolfgang S. Rupprecht wrote:
I've done the following and the "hdparm -C" does show the disk spun down, but the next time I look it is spun up, and it stays up. The disk
One thing wrong might be jumpers, Other than that, I suspect something is still accessing it. udev?
Thanks for the good ideas.
This is a WD Caviar Green and the jumpers are only documented to slow down the SATA by one notch and add spread spectrum clocking for rf noise reduction.
Wanted to be sure that people knew "-S 120" doesn't mean "spin down after two minutes."
I'll have to try to check for udev. Maybe running lsof in a loop will catch it.
Did you take out the rule for that? I'm not a guru, can't tell you which rule without looking it up, but I have found it, since my hot backup drive on a USB dongle goes down and stays that way. I bet someone will remind us which rule checks that before you can look. ;-)