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I have a backup server on a Raspberry Pi using samba with 2x 2TB drives for storage. To reduce noise and drive degradation I'd like to turn them off when I'm not transferring files.

I tried to unmount it but the disck kept spinning. I also tried "echo suspend > /sys/bus/usb/devices/usb1/power/level - error "no such file or directory".

  • what did you try? – Networker Jul 14 '14 at 12:00
  • I tried to unmount it It didn't change anything. I also tried "echo suspend > /sys/bus/usb/devices/usb1/power/level - error "no such file or directory". – user61143 Jul 14 '14 at 13:06
  • please add your comment to the question @user61143 – Networker Jul 14 '14 at 13:20

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