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Thread: Cant get Virtualbox to access A: drive

  1. #1
    Join Date
    Apr 2008
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    Grafton, NSW Nth Coast
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    Cant get Virtualbox to access A: drive

    I have a USB floppy drive that I cant get VBox to read..It gives a message that it doesnt have permissions for /dev/sdb

    Screenshot-Sun xVM VirtualBox.jpg

    Screenshot-VirtualBox - Error.jpg

    I have tried various things, even downloaded v1.6.2 from SUN and got the USB to work.But it wont see the floppy as a USB dev

    Anyone got any ideas...I really need to get it working,as I have some older programs that require an A: drive to work...

  2. #2
    Join Date
    Sep 2006
    Location
    Victoria, Australia
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    Re: Cant get Virtualbox to access A: drive

    hi there,
    do you have permission to that device? Can you mount that block device as a normal user? or does it require root? If you cant mount it as a normal user, can you post the output of sudo ls -l /dev/sdb (when the USB device is plugged in)

    AJ
    Want to find out more about your ubuntu system? see HowTO Ubuntu System
    Want to know a little more about networking? see HOWTO Ubuntu Networking
    Looking for help with something on your ubuntu? see the tutorial of the week sticky


  3. #3
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    Apr 2008
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    Re: Cant get Virtualbox to access A: drive

    I can mount it as a user and r/w

    brw-rw---- 1 root disk 8, 16 2008-06-15 08:11 /dev/sdb

    Some have suggested it is a USB issue, but I tend to think it is more a device permissions issue with Vbox

    But I have yet to learn how to do permission changes properly

  4. #4
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    Re: Cant get Virtualbox to access A: drive

    Quote Originally Posted by Ducatiboy Stu View Post
    I can mount it as a user and r/w

    brw-rw---- 1 root disk 8, 16 2008-06-15 08:11 /dev/sdb

    Some have suggested it is a USB issue, but I tend to think it is more a device permissions issue with Vbox

    But I have yet to learn how to do permission changes properly
    Well... Vbox should have the same permissions that your user does... and since your user is in the 'disk' group, means you can mount that device.

    This will be only temporary as udev dynamically loads devices as they are plugged in etc, and when you reboot, all changes are lost, but try this on the device, and then see what Vbox does:
    sudo chmod 777 /dev/sdb

    that will change the permissions temporarily on /dev/sdb for all users (root, group, other) to have read write and execute permissions.

    AJ
    Want to find out more about your ubuntu system? see HowTO Ubuntu System
    Want to know a little more about networking? see HOWTO Ubuntu Networking
    Looking for help with something on your ubuntu? see the tutorial of the week sticky


  5. #5
    Join Date
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    Re: Cant get Virtualbox to access A: drive

    Did you add yourself to 'vboxusers' and logout, then log back in?
    "Security lies within the user of who runs the system. Think smart, live safe." - Dr Small
    Linux User #441960 | Wiki: DrSmall

  6. #6
    Join Date
    Apr 2008
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    Re: Cant get Virtualbox to access A: drive

    Quote Originally Posted by ajmorris View Post
    Well...


    sudo chmod 777 /dev/sdb

    that will change the permissions temporarily on /dev/sdb for all users (root, group, other) to have read write and execute permissions.

    AJ
    Well..It stopped the initial permissions issue and allowed XP to boot..

    But...XP in VB does not see A:\ Just keeps asking to insert disk. The disk in A:\ is formated (DOS) and contains a simple test .exe file.

    Having "tempy" solved the permissions issue, now i have to look into the "winduznt" issue of why it wont see A:\


    So how do I make the permissions perm for Vbox..?

    Yes, I am in Vboxusers grp...

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