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Thread: Automatically dismount of USB drives

  1. #1

    Default Automatically dismount of USB drives

    Hello,

    when I have mounted my USB hard disc with Dolphin, it gets often dismounted automatically if I only browse through the file system. During transfer of files this doesn't happen.
    Is there an automatically dismount activated? How can I deactivate it? What else could be the problem?

    Thanks
    Albert

  2. #2
    Join Date
    Aug 2008
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    Winnipeg, Canada
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    203

    Default Re: Automatically dismount of USB drives

    I have an external 500GB Hard Drive that I use for Backing up my important files to. I cannot run my script file until I go into Dolphin and click on the external hard drive.....this is because the drive goes into power saving mode, not because it is being un-mounted. Could this be your problem?

    Cheers!

  3. #3
    Join Date
    Jun 2008
    Location
    Auckland, NZ
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    Default Re: Automatically dismount of USB drives

    I cannot run my script file until I go into Dolphin and click on the external hard drive.....this is because the drive goes into power saving mode, not because it is being un-mounted.
    Quite a common 'feature' among usb drives. I also wonder if this is what the OP means?

    I have seen this type of 'problem' reported from time to time, and it only seems to affect certain models (especially usb-powered devices). I note you didn't supply this info. I guess you could keep it awake by polling it with a cron job and simple script if necessary?

    This Ubuntu post seems to mention a possible solution is to remove the USB-2.0 (ehci-hcd) driver, resulting in slower r/w activity, but without the problem. (I'm skeptical that this would work though).

    Next time the drive becomes inactive (unmounted), maybe have a look at dmesg|tail output for any clues. Does it still stay detected at least? The command 'fdisk -l' will show this.

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