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I have an internal hdd what I just rarely use under ubuntu, I want to send the hdd to sleep mode but after 10 minutes it is always wake up.

  • I turned off in the disks to auto mount this drive
  • after that I comment out this hdd from /etc/fstab

I send the hdd in sleep mode with this command : sudo hdparm -Y /dev/sdb, but after 10 minutes it is starts to spinning.

I've tried these :

  • systemctl mask udisks2
  • service rsync stop
  • service udev stop

but still every 10 minutes it is starts spinning.

my log contains these lines in every 10 minutes :

[ 6607.762534] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 6610.626270] ata2.00: configured for UDMA/133

What should I do to avoid I have to use the hdparm command in every 10 minutes?

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  • This is an internal hard disk?
    – user1091774
    Jan 28, 2021 at 11:29
  • Yes. sorry I didn't mentioned that.
    – Istvan Nagy
    Jan 28, 2021 at 11:35
  • I've modified the title to make it more clear.
    – Istvan Nagy
    Jan 28, 2021 at 11:43
  • I’d revert those changes you’ve tried. They could give you a bunch of problems. Have you tried udisksctl power-off -b /dev/sdX ? That should achieve what you want
    – PonJar
    Jan 28, 2021 at 12:05
  • Thank you! It seems its working!
    – Istvan Nagy
    Jan 28, 2021 at 12:49

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