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Whenever I try formatting my Sandisk Cruzer Glide 16GB, I get this error message on Gparted. 

GParted 0.11.0 --enable-libparted-dmraid

Libparted 2.3

Create Primary Partition #1 (ntfs, 14.42 GiB) on /dev/sdc  00:00:00    ( ERROR )

create empty partition  00:00:00    ( ERROR )
libparted messages    ( INFO )

Unable to open /dev/sdc read-write (Read-only file system). /dev/sdc has been opened read-only.
Unable to open /dev/sdc read-write (Read-only file system). /dev/sdc has been opened read-only.
Unable to open /dev/sdc read-write (Read-only file system). /dev/sdc has been opened read-only.
Can't write to /dev/sdc, because it is opened read-only.
Unable to open /dev/sdc read-write (Read-only file system). /dev/sdc has been opened read-only.

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How do I disable / delete the read only filesystem? Is my USB corrupted?

Zanna
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Johnny Boy
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1 Answers1

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I had the same problem. The issue at my case was that it was formatted as Ubuntu live CD. And instead of listing the mounpoint of the USB itself in /etc/mtab, the Live-Folder within the USB was listed. Therefore, it was impossible to unmount the USB-drive itself. My solution was to remove the mountpoint of the USB with the command

$ sudo rm -rf /media/<name of drive>

This had the same effect as unmounting the USB and I was able to use gparted for further steps (formatting etc.)

Martin Heimsoth
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