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Thread: external hard drive now read-only

  1. #11
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    Re: external hard drive now read-only

    ive the EXACT same problem..
    i dont know what to do

    just curious, did you install ubuntu or are you on a live cd?

  2. #12
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    Re: external hard drive now read-only

    Quote Originally Posted by MeanStreak View Post
    Thanks. On another post I found this command

    Code:
    sudo mv /media/.hal-mtab /media/.hal-mtab.anything
    which enabled me to mount the drive. Then I ran
    Code:
    chown -R charles:charles /media/disk
    . However I still cannot write to the external drive. This is beginning to boil my blood.
    Did you substitute the name of your drive for "disk"?

  3. #13
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    Re: external hard drive now read-only

    Quote Originally Posted by MeanStreak View Post
    Thanks - this is a software problem. I need instructions on how to modify the permissions on the drive so I can write to it.
    Can you please open an terminal and post back to the forums the results of this command? We need to see where the mount point of the drive is:
    Code:
    df
    ~Bill

    Damn...chimed in late on this one....
    Last edited by MrWES; May 31st, 2009 at 03:30 PM.
    Ubuntu 10.04-Server: HP Pavilion: AMD Athlon 3200; 2gb RAM; GeForce4 MX - nForce; 160gb HDD; 1TB eSATA External HDD | Ubuntu 10.04: Dell D600; Intel Pentium M 1600 MHz; 2gb RAM; ATI Radeon 9000 (RV250); 60gb HD | Ubuntu User #24614

  4. #14
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    Re: external hard drive now read-only

    I spent an hour or more via a thread, PM and IM last night working on a very similar issue, which is still unresolved.
    http://ubuntuforums.org/showthread.php?t=1174176

    What is the format of the device? Using chown won't work on non-linux file systems as the permissions/ownership is set at the time the device is mounted.

    In the thread I linked, it is a FAT32 My Book. After much searching, it appears that these devices get corrupted, especially with unclean unmounting. In almost every post I found, the only way to resolve the issue was to back up the data somewhere and then reformat the drive.

    A better solution would be most welcome as there are a lot of posts of this nature throughout the internet support groups.
    Back to Xorg...

    Retired.

  5. #15
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    Re: external hard drive now read-only

    Quote Originally Posted by drs305 View Post
    {snip}...Using chown won't work on non-linux file systems as the permissions/ownership is set at the time the device is mounted...{snip}
    I used it for an HFS+ hard drive connected via USB. However, this does classify it as a "Linux-type" filesystem, I guess.

  6. #16
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    Re: external hard drive now read-only

    Quote Originally Posted by MrWES View Post
    Can you please open an terminal and post back to the forums the results of this command? We need to see where the mount point of the drive is:
    Code:
    df
    ~Bill

    Damn...chimed in late on this one....
    Hi Bill,

    Result of
    Code:
    df
    command is as follows:

    Code:
    charles@charles-desktop:~$ df
    Filesystem           1K-blocks Used Available Use% Mounted on
    /dev/sda2             68025748  46869892  18391392  72% /
    tmpfs                   513308         0    513308   0% /lib/init/rw
    varrun                  513308       128    513180   1% /var/run
    varlock                 513308         0    513308   0% /var/lock
    udev                    513308       164    513144   1% /dev
    tmpfs                   513308       120    513188   1% /dev/shm
    lrm                     513308      2392    510916   1% /lib/modules/2.6.28-11-generic/volatile
    /dev/sdb1            106095516  67547804  33158308  68% /home
    /dev/sda1             46082416  45471588    610828  99% /media/sda1

  7. #17
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    Re: external hard drive now read-only

    Quote Originally Posted by drs305 View Post
    I spent an hour or more via a thread, PM and IM last night working on a very similar issue, which is still unresolved.
    http://ubuntuforums.org/showthread.php?t=1174176

    What is the format of the device? Using chown won't work on non-linux file systems as the permissions/ownership is set at the time the device is mounted.

    In the thread I linked, it is a FAT32 My Book. After much searching, it appears that these devices get corrupted, especially with unclean unmounting. In almost every post I found, the only way to resolve the issue was to back up the data somewhere and then reformat the drive.

    A better solution would be most welcome as there are a lot of posts of this nature throughout the internet support groups.
    Mine is also a Western Digital MyBook as it happens - FAT32 format. Looks like I'll have to reformat the drive.
    Last edited by MeanStreak; June 7th, 2009 at 01:13 AM.

  8. #18
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    Re: external hard drive now read-only

    i'm getting the same issue, on all my external drives in any format.
    wasn't like this before, it just "happened", maybe after the media was badly disconnected.

    i hate to call for attention but i've been stuck for days now, and not getting any answers, here or elsewhere

    http://ubuntuforums.org/showthread.php?t=1268043

    help

  9. #19
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    Wink Re: external hard drive now read-only

    Go to Terminal, copy & paste this command: gksudo nautilus

    That will open Terminal as root, navigate to your new drive, Right Click, select the Permissions tab change the Owner drop-down menu to your name, Folder Access to Create & Delete Files, File Access to Read & Write, Group to your name, Folder Access to Create & Delete Files, File Access to Read & Write then click Apply Permissions To Enclosed Files.

    You will now have full access to your drive.

  10. #20
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    Re: external hard drive now read-only

    thanks for your help, but it didn't work.

    i get the following error when trying to change the owner, from the window which pops up after gksudo nautilus

    Désolé, impossible de changer le propriétaire de « pocket_ » : Erreur lors de la définition du propriétaire : Système de fichiers accessible en lecture seulement

    which translates as "impossible to the change the owner of "pocket" : error in the owner definition : file system is accessible as read-only only.

    in the terminal, i get the following weirdness after typing gksudo nautilus :

    -------------------------------------------------

    kayo@kayogoro:~$ gksudo nautilus

    --- Hash table keys for warning below:
    --> file:///root
    --> file:///media/pocket_

    (nautilus:7767): Eel-WARNING **: "nautilus-metafile.c: metafiles" hash table still has 2 elements at quit time (keys above)

    (nautilus:7767): Eel-WARNING **: "nautilus-directory.c: directories" hash table still has 2 elements at quit time
    SSSSSSSSSSSSSSSkayo@kayogoro:~$ gksudo nautilus

    ** (nautilus:7799): WARNING **: Unable to add monitor: Opération non prise en charge
    ^C
    kayo@kayogoro:~$

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