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Thread: Cant umount cdrom

  1. #1
    Junior Member
    Join Date
    Apr 2004
    Posts
    4

    Cant umount cdrom

    Hi everybody

    I have this "funny" problem with my cdrom. I can mount and view any cd but when I try to umount the cd from the cdrom, I keep getting "Device Resouce busy"

    I have tried as root the following:

    umount cdrom
    umount /cdrom
    umount -f /cdrom
    umount -n /cdrom

    I have the same result "device is busy" for all of this commands

  2. #2
    Member registered user
    Join Date
    Feb 2003
    Posts
    55
    Did you change directory to the cdrom? I know it sounds obvious, but I've tried it before. You can't umount the cdrom if you've cd'ed into it's directory structure. As root, try
    Code:
    cd /
    umount /dev/cdrom
    Hope this helps,

    BR

  3. #3
    Junior Member
    Join Date
    Apr 2004
    Posts
    4
    BR, thanks for your response. However, I have tried to change directory and issued the command from root directory (/) with the same result "Device Busy"

    Any other idea, anybody?

    Alfredo

  4. #4
    Senior Member registered user
    Join Date
    Mar 2004
    Posts
    900
    Someting still has the cdrom directory open. If you have a file manager open or an app that is accessing the cdrom drive it won't umount.

    Try this:

    mount

    Where is the drive mounted? Should be on /cdrom but you never know. You can umount the device itself or the mount point.

    umount /cdrom

    umount /dev/cdrom

    umount /dev/hdb

  5. #5
    Senior Member registered user
    Join Date
    Mar 2004
    Posts
    1,516
    shut any app that might use/view/access files on the hdd. konqueror...

  6. #6
    Junior Member
    Join Date
    Apr 2004
    Posts
    4
    ok, I issued the comand "mount" and I get the following:

    "/dev/cdrom on /cdrom type iso9660 (ro,noexec,nosuid,nodev,nohide)"

    Also, on my gnome desktop there is a cdrom icon with the name of my cd

    I tried the command you mention but again the same result "device busy"


    more ideas?

    Thanks

  7. #7
    Junior Member
    Join Date
    Dec 2003
    Posts
    5
    Try the "lazy" command: umount -l /cdrom (that's an "el" not a "one")

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