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So i've read through other questions but cant find a solution..

I have an externel drive in /dev/sdg and it continually disconnects..

I edited /etc/fstab so that it would auto mount but every time it disconnects the system reads it differently, for example it used to be /dev/sdb then /dev/sdc then /dev/sdd and so one... It remains mounted for quite some time. But when it unmounts I need to click on the file explorer and click on it again for it to mount. This makes it impossible for me to work with programs that continually read data from the drive.

Elder Geek
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Banned_User
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  • Did you ever figure this out?

    Also I'm curious as to what drive you are having a problem with? I'm having the same issue with Seagate 4TB 3.5" external drives. It's driving me crazy.

     – user1175849 Aug 07 '17 at 07:01

1 Answers1

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To obtain the UUID of the drive, use the following command:

blkid

Use the UUID of the drive in fstab instead of /dev/sdX. The UUID is static and should remain the same even when the device name changes.

mchid
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    Yeap I have UUID=uid_here

    But it still gets unmounted like every 30 mins.

     – Banned_User Nov 06 '14 at 04:54
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    @Banned_User that sounds like a power-manager is disabling or "suspending" your USB connection. Check power-manager settings. If you have TLP installed, put it on the USB suspend blacklist. Powertop and powernap could also be responsible for this see here http://askubuntu.com/questions/80638/how-to-disable-auto-power-off-of-usb-devices-like-usb-mouse – mchid Nov 06 '14 at 21:07
  • @Banned_User you can check your autosuspend settings for your USB devices for USB port #1 you would check this file: /sys/bus/usb/devices/usb1/power/autosuspend the file should read "0". Do this for each of the other ports: /sys/bus/usb/devices/usb2/power/autosuspend for port #2 and /sys/bus/usb/devices/usb3/power/autosuspend for port #3 etc... – mchid Nov 06 '14 at 21:17
  • Mine read 0, but I still get disconnects every 30 minutes or so. I even added the UUID as a mounted drive, but I still have to remount the drives using sudo mount -a every 30 mins. – dessalines Jun 29 '15 at 20:57