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I have a raspberry pi that has an external drive that mounts via fstab. Sometimes the pi refuses to boot when the external drive doesn't spin up fast enough (albeit the drive is quite old). Is there any way to force the pi to force the drive?

Device - Raspberry Pi 3 OS - Raspbian Hard Disk - 1TB Portable Seagate External (No External Power Supply) Raspberry - Power supply Apple 10W Charger 5.1V 2.1A Mount Method - fstab (

/dev/sda1 /media/rfts auto noatime 0 0

  • You have provided NO information. What Pi? What fstab? What power? Have you measured voltage? – Milliways May 25 '16 at 12:03
  • Sorry for that - have updated with relevant details. – letterhead May 25 '16 at 13:47
  • You still haven't described your power supply or voltage. The fstab also appears to contain errors (try autofs or better actually specify actual fs), but if the Pi won't boot it is more likely to be a power issue. See raspberrypi.stackexchange.com/a/47642/8697. The Pi3 Should work with a good supply, but these seem to be rare. – Milliways May 26 '16 at 1:34
  • @milliways Have added the power supply. – letterhead May 26 '16 at 9:09
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Probably it hasn't got enough power to spin up fast. There are two solutions:

  • Set max_usb_current=1 setting in /boot/config.txt
  • Use USB HUB with external power
  • This text isn't in my config.txt. Have added it. But, shouldn't it be min_usb_current=1 – letterhead May 25 '16 at 13:47

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