Ubuntu :: External Hard Disk /Hard Drive Mounts As Read Only (Suddenly)?

Jan 17, 2011

I recently bought 320 GB Trancend external hard disk and working fine days back.Earlier i could copy from and to the hard disk with out any issue. I dont know what happened after that now i am not able to write any files in to the external hard disk. This is not NTFS formatted device. here is some of the out put from terminal.

Code:
sundar@sundar-sundar:~$ fdisk -l
Disk /dev/sda: 120.0 GB, 120034123776 bytes

[code]...

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Debian :: USB Hard Drive Mounts As Read Only

Jan 4, 2016

Trying to go through some old hard drives I'd saved from a Mac we tossed years ago. Using a Sabrent USB adapter (USB-DSC9) I connected it to the Debian box and it mounts as /media. Here's the weird thing: although I can read all the random stuff, the directory with all my actual documents shows up as "you do not have the permissions necessary to view the contents". When I try to fix this with chmod, it tells me that the drive is read-only. Grr.

How do I mount the drive so that it's not read-only?

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Ubuntu :: External USB Hard Drive Keeps Getting Read-only Permission

Feb 17, 2011

I have a computer with Ubuntu 10.04, with few disk space. For downloading some torrents, I've connected a USB hardrive, ext4 formated. But this idea wasn't a solution, because the drive keeps getting read-only permission... Is there any way of prevent this to happen?

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General :: External USB Hard Drive Became Read Only

Aug 21, 2010

I was in the process of backing up data from my hard drive to an external usb drive when the drive suddenly became read only. Does anyone know how I can make it read/write again? I am using Debian Lenny and the drive is ntfs formatted. I have another ntfs formatted usb drive that is not effected in this way.

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Jan 14, 2009

I have 2 ubuntu's: 1 on my ineternal hard drive, 1 on my external

When I startup without my ext drive =>GRUB error 21.

And when I plug it in I can choose: the standard ubuntu kernel is the one on my external, and the original one is listed under other...

I'd like to be able to startup without external hard drive and make the ubuntu on my internal drve the standard.

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Jun 26, 2010

I am using Thunar and XFCE4. I started with the minimal install CD, so this is not exactly Xubuntu as I do not have Xubuntu-desktop package installed. I installed psydm to be able to easily edit and control mounting, fstab etc... Anyways, I can't figure out how to write to this disk. I have amended the Thunar icon to read "gksudo Thunar" as its command. It opens Thunar with whatever elevated rights that would come along with the command. I still can't write to the disk. If I change the permissions for the disk under the properties tab to be "read&write" for the user group, It asks me about something to be done retroactively to files. No matter whether I choose yes or no here, it still does not change the disk to a writable disk.

No love and no ideas. Can you help me write to this disk ? I run as a user called "user" so maybe I should not have made Thunar open as "gksudo" ?

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Ubuntu :: External Hard Drive Now Stuck In Read-only Mode?

Jan 22, 2011

so here's my issue and what I think is causing it right now. I have a 1TB external usb hard drive that has worked perfectly, but recently I set it up a mount point for it in fstab so that I could create a SMB share on the drive so I could stream videos and pictures to my TV through my Wii using WiiMC. This now works perfectly, but now the hard drive has been set into read-only mode. When I use sudo to try to chmod the drive or the folders on it, it does nothing. When I right-click on the drive and check the permissions tab, it says the owner is root and all the options are greyed out.

I've read through several posts on similar topics to this, but none of them have been very helpful as they suggest using command line tools that I don't know how to use, so I'm hoping someone here can give me concise, step by step instructions of what to type in, or what settings to change in fstab to solve my little problem so I can start copying stuff back onto my drive. I'm running Ubuntu 10.10 and the filesystem on the external drive is FAT32. Here's some more info you might need:

sudo fdisk -l:

Code:
Disk /dev/sda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes

[Code]...

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General :: External Hard Drive Mounted As Read-only

Mar 16, 2011

I administer a remote server via SSH that runs CentOS 5.5. I have been unsuccessful in all my attempts to write to two different external USB hard drives with a single ext3 partition when logged in as root.

When attempting to create a "test" directory I get one of two messages:

Quote:

Both drives *appear* to have filesystem issues. When I run an fsck on either drive, I get:

Quote:

Keep in mind this is a newly-formatted, empty drive.

Not putting stock in the odds that I've had two hard drives (different sizes and brands) with the exact same hardware problem, I'm going to assume this is a software issue, although maybe it isn't. Hence, my post in "Linux - General". I've heard talk elsewhere of controller (chipset) issues coming into play. Is this valid?

Okay, here's the information you'll need to make a diagnosis....

Here's the output of a "df -h" command:

Quote:

Here's the contents of my /etc/fstab:


Quote:

Here's the output of "cat /etc/mtab":

Quote:

Here's the output of a mount command:

Quote:

Here's the output of fdisk on the device in question:

Quote:

The number of cylinders for this disk is set to 48641.

There is nothing wrong with that, but this is larger than 1024, and could in certain setups cause problems with:

1) software that runs at boot time (e.g., old versions of LILO)

2) booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK)

Command (m for help):

I've got someone with access to the box if necessary. But it might take days to implement solutions since this isn't his full-time job. Remote solutions are, therefore, preferable.

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May 14, 2010

I had a dual boot (windows 7 + debian), both of them installed in my internal hard disk, with the GRUB in it. I have recently installed a second linux distro (mint), but I put it in an external hard disk. Now the GRUB allows me to boot any of the three operating systems, but I need the external disk to do it. It seems that after the mint installation the GRUB is now working from the external disk (if the external disk is not connected, the machine does not boot.) �Is there a way to change the location of the GRUB, to the internal hard disk of my laptop?

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General :: Won't Let Mount An External Hard Drive As Read/write

Oct 7, 2010

I try

mount -t ntfs -o rw /dev/sdb1 /mnt/exthdd

it doesn't give me any response so I presume it succeeded but when I try to touch it, it tells me it's a read-only file system

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Jan 25, 2010

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Jun 30, 2010

I want to install Ubuntu onto a partition on my external hard drive, but my CD burner is broken so I can't just boot up with a live CD and do it that way. So can I install Ubuntu onto my external hard drive with the Startup Disk Creator that comes installed on Ubuntu? And if not is there another way I can do this?

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Jul 30, 2010

Almost every time I use my external Hdd the drive gets named with an appended underscore. this is the list from my /media folder.

/media$ ls
1CF44533F4451106 F Drive G Drive_ G Drive___ G Drive_____
E Drive G Drive G Drive__ G Drive____ G Drive______

i have tried to remove the directories in terminal by using sudo rmdir but this is the error i get:

sudo rmdir /media/g drive
rmdir: failed to remove `/media/g drive': No such file or directory

now each file in the /media folder has a white x on them and i don't not know what that means. but i attached a screen grab of the folder.

how to know how to delete all the underscored folders.

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I have got a hold of a extra hdd along with a hdd enclosure. I have tried looking for information on how to install linux on to one but haven't been completely successful on my search. So I turn to all of you. I was also wondering if its possible to have it were I can use it on multiple computers so I can use it for computer repair.

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@one ~]$ ls /media -l
total 13 dr-xr-xr-x 1 root root 8192 Sep 19 11:49 External Drive 1TB

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Ubuntu Installation :: After 11.04 Upgrade Hard Disk No Longer Mounts

May 11, 2011

I have one hard disk (call her HDA) that contains nothing but a single ext4 partition containing a backup of all my important data. I did a clean install of 10.10 on my primary hard disk (call her HDB) and from there proceeded to the 11.04 upgrade. In 10.10, I was able to read HDA just fine. However after the upgrade, I can no longer mount this drive.

When mounting from file browser:
Code:
Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sda,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so

The end of dmesg said the following:
Code:
dmesg | tail
[49.853308] wlan0: associated
[50.084874] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[52.859533] Intel AES-NI instructions are not detected.
[52.890955] padlock_aes: VIA PadLock not detected.
[60.710006] wlan0: no IPv6 routers present
[82.130904] EXT4-fs (sda): bad geometry: block count 122096646 exceeds size of device (122096381 blocks) .....
[96.010858] EXT4-fs (sda): bad geometry: block count 122096646 exceeds size of device (122096381 blocks)
[107.791812] EXT4-fs (sda): bad geometry: block count 122096646 exceeds size of device (122096381 blocks)
[322.758948] EXT4-fs (sda): bad geometry: block count 122096646 exceeds size of device (122096381 blocks)
[516.932403] EXT4-fs (sda): bad geometry: block count 122096646 exceeds size of device (122096381 blocks)

For some reason my hard disk has a block count greater than the size of my device. I've done my background searching on this and tried a command line utility I've never heard of before:
Code:
# sudo e2fsck /dev/sda
e2fsck 1.41.14 (22-Dec-2010)
The filesystem size (according to the superblock) is 122096646 blocks
The physical size of the device is 122096381 blocks
Either the superblock or the partition table is likely to be corrupt!
Abort<y>? yes

And this is as far as I've got. I'm really hesitant to start fiddling around and experimenting with possible fixes because the backup data on this drive holds a decade's worth of work for me and is extremely valuable (hence why I have a spare drive for backups). I really didn't think that the Ubuntu upgrade process would mess with this drive, seeing as the Ubuntu install was contained on an entirely different drive. Any safest way for me to recover this data? Data preservation is the #1 priority for me here. I need to copy all of this data over to my primary drive where Ubuntu is installed. After that, I can reformat this "broken" backup drive.

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Jul 4, 2011

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Mar 5, 2011

I've been using Ubuntu 10.x for several months without any major problems. Everything was fine until this week.

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The only change I made just before this problem started was upgrading Firefox Beta 4 version 10 to the latest version 11. So, I deleted it, and went back to the latest stable version 3.6.x. That seemed to fix the problem for a day or so. But then it started happening again. I deleted all signs of Firefox; it still happens. So it's not a browser issue.

I am stumped. Today I started my computer and just let it sit there without opening any programs at all except the system monitor. It ran fine for the usual 10-15 minutes, nothing changed out of the ordinary in terms of computer resources used in the system monitor, and then suddenly the drive started spinning wildly again .....

Right now my computer's been on for 10 minutes and I am typing this message .... but who knows what will happen right now.

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Feb 26, 2010

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