External Seagate USB 3.0 drive not spinning down

[TOMillr]

I've mounted an external 5tb USB 3.0 drive made by Seagate and set the idle spindown timer to 5 minutes in die DietPi Drive Manager. Unfortunately, the drive just keeps on spinning, even though I'm running a minimal install of DietPi with no user activity to the drive.

Manually testing hdparm just gives me an error message. Apparently, there is an issue with the kernel version and how it handles "ATA command pass through". As a workaround you can blacklist the device by running this call:

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echo "options usb-storage quirks=0bc2:ab30:u" >> /etc/modprobe.d/usb-storage-quirks.conf
update-initramfs -u
reboot

Afterwards I can at least have the drive spin down manually by using

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hdparm -y /dev/sda

.

Unfortunately, the automatic spindown still doesn't work. Once I access the drive and it spins up, the drive just keeps on running.

Any idea what I should do here?

[MichaIng]

Ref: https://github.com/MichaIng/DietPi/issues/2905