some hdd spindown settings are not working

  • Weird, settings for 5 min, 10 min and 20 min are working OK (i.e. hdd spins down and stays like that for hours), but 30 min, 60 min and 120 min are not (no spin down). I have iosnoop running and can confirm no disk activity during test time. Is this some sort of a bug?

  • So I tested this a bit and it seems hdparm values over 240 are not working (although accepted) by my WD drives. So 20 min maximum idle timeout via that.


    I switched to hd-idle and that worked fine for longer timeouts. Thanks for pointers!

  • It's been said by other users on this forum that SMART check can reset the idle timer, so try increasing that and see if that solves your problem.


    Go to Storage -> S.M.A.R.T. and increase the check interval to a number higher than the idle time.

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