Mounting USB flash disk synchronously

Joaquin Cuenca Abela e98cuenc at
Thu Mar 17 10:05:35 UTC 2005

On Thu, 17 Mar 2005 09:44:06 +0100, Krysztof Luks <kluks at> wrote:
> Hi,
> it there a way to make hotplug mount USB disks with sync option? Manual
> for mount says that "the sync option today has effect only for ext2,
> ext3 and ufs" does this mean that vfat disks can't be mounted
> synchronously?

There is an open bug about it:

It makes usb keys unusable to normal users on warty, as there is also
another bug in nautilus/fam that makes it impossible to unmount the
usb key after you've visited a bit the contents of the key with

So, we're saying: "you should unmount your key or your data will be
corrupted", and when they actually remember to unmount the key,
nautilus says that it's not possible to unmount the key for some
unknown reasons to mere mortals.

> If so what can I do to prevent data loss when my disk is accidentally
> unplugged while some data is still hasn't been written to it?

If you find a way, let me know.
Until then, I had to desactivate automount on usb keys, and do the
mount/umount manually on a terminal.


Joaquin Cuenca Abela

More information about the ubuntu-users mailing list