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Old 03-28-2014, 05:33 AM   #1
20ln10
LQ Newbie
 
Registered: Mar 2014
Posts: 2

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USB unmountable


Hey there, not exactly sure if this is the right board to post this on. So anyways, I was switching to crunchbang from windows 7.
I had a usb plugged in with very important files on it. I had
manually mounted it in the terminal to "/usb/". I then forgot to
unmount before I plugged it out and now when I try to mount it again
it tells me the following:

Code:
 $ sudo mount /dev/sdc /usb/
[sudo] password for renko: 
mount: you must specify the filesystem type
I tried it on another linux machine (Arch) with spacefm and it just gives me
this:

Code:
 Object /org/freedesktop/UDisk2/block_devices/sdb is not a mountable filesystem.
On another windows 7 machines it tells me that it needs to be formatted for me to use it.

Hopefully this is an easy fix. It wouldn't be the end of the world if I couldn't get the data back but it would sure as hell save me ALOT of time.
Thanks
 
Old 03-28-2014, 06:11 AM   #2
mddnix
Member
 
Registered: Mar 2013
Distribution: Redhat, Ubuntu
Posts: 516

Rep: Reputation: 139Reputation: 139
Quote:
Originally Posted by 20ln10 View Post
$ sudo mount /dev/sdc /usb/
First, you need to mount the correct partition. Find which partition by 'fdisk -l', and then try to mount it.

Code:
$ sudo fdisk -luc
$ sudo mount /dev/sdc1 /usb/
If it fails to read, then unmount the file-system,and then do disk check.

Code:
$ sudo umount /usb
$ sudo fsck -y /dev/sdc1
 
Old 03-28-2014, 06:19 AM   #3
Doc CPU
Senior Member
 
Registered: Jun 2011
Location: Stuttgart, Germany
Distribution: Mint, Debian, Gentoo, Win 2k/XP
Posts: 1,099

Rep: Reputation: 343Reputation: 343Reputation: 343Reputation: 343
Hi there,

Quote:
Originally Posted by 20ln10 View Post
I had a usb plugged in with very important files on it. I had manually mounted it in the terminal to "/usb/". I then forgot to unmount before I plugged it out and now when I try to mount it again it tells me the following:

Code:
$ sudo mount /dev/sdc /usb/
[sudo] password for renko:
mount: you must specify the filesystem type
that looks bad. Of course you could try mounting the drive with explicitly specifying the file system type (-t vfat or -t ntfs, depending on which you used on the external drive). But the situation being as it is, and with three different systems saying that they can't mount the file system ... I'm afraid it's badly f***d up.

And I'm afraid, too, that you're using NTFS on that drive - because NTFS is more critical in terms of file system corruption, and harder to repair than FAT.

Quote:
Originally Posted by 20ln10 View Post
Hopefully this is an easy fix. It wouldn't be the end of the world if I couldn't get the data back but it would sure as hell save me ALOT of time.
There is a program called testdisk. And despite the name its main asset is not testing a disk, but recovery of data. Using testdisk, you might be able to recover some of the files on the USB drive - or all of them if you're very lucky.

And hopefully you learned the lesson, even though I'm sorry it had to be the hard way:
ALWAYS HAVE A BACKUP OF IMPORTANT DATA!

[X] Doc CPU
 
Old 03-28-2014, 07:06 AM   #4
20ln10
LQ Newbie
 
Registered: Mar 2014
Posts: 2

Original Poster
Rep: Reputation: Disabled
Well I guess I lost all that data. After trying everything you guys said it seems that it's all gone.
Funny thing was that I had spent the entire day prior backing up a load of personal user data but I had for some darned reason not backed up this one usb drive.
Oh well, life goes on. Thanks you for the help you two!
 
  


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