[clug] SD card read only

Adrian adrian.blake at ieee.org
Thu May 26 05:18:09 MDT 2011


Problem resolved and solved


On 26/05/11 20:51, Duncan Roe wrote:
> On Thu, May 26, 2011 at 06:46:07PM +1000, Adrian wrote:
>> Using latest Ubuntu.  A newly formated SD card. VFAT format. I copy some
>> files from my hard disk to the SD card and the process stops. The reported
>> error is Read-only file system. An ls -l shows that the owner has read and
>> write permissions.
>> What is going on ?
>> Adrian
> "Read-only file system" has nothing to do with read/write permissions. It means
> that the disk has been mounted read-only. "mount" in a command window will
> show you the details.
> While in the command window, you could see if the system objects to making the
> disk read-write. Suppose for example it is mounted as /dev/sdb1. Become root or
> use sudo:
> mount -orw,remount /dev/sdb1
> will either make the disk writable or give you an error message indicating why
> it can't.
> Cheers ... Duncan.
> --
>   Please avoid sending me Word or PowerPoint attachments.
>   See http://www.gnu.org/philosophy/no-word-attachments.html

Adrian Blake
101 Mulach St
Cooma, NSW 2630
mobile 0407 232 978

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