GEOM + mount_msdosfs usb flash stick

Roland Smith rsmith at
Mon Aug 4 16:02:44 UTC 2008

On Mon, Aug 04, 2008 at 02:12:09PM +0800, joeb wrote:
> On 7.0 release of FBSD trying to mount a usb flash memory stick. The stick
> has a msdos file system on it and has been loaded with files using windows
> xp. When I plug the stick into my FBSD 7.0 box I get Geom console msg
> 'GEOM_LABEL:Label for provider Da0s1 is msdosfs_flashdrive'.
> Does this mean the flash stick is mounted and the mount point is
> msdosfs_flashdrive'?

No. It means that GEOM_LABEL has created a named device in

This is easier to use then e.g. /dev/da0s1. Consider the case where you
have two USB mass storage devices. One will be da0, the other da1, da0
being the one that was plugged in first. The label 'flashdrive' on the
other hand won't change unless you change it.

>  When is issue this command,  mount_msdosfs /dev/da0s1 /mnt  I get this
> console msg  ' GEOM get label removed'.  Using the /mnt mount point every
> thing works fine.

If you use 'mount_msdosfs -m 644 -M 755 /dev/msdosfs/flashdrive /mnt'
you can keep using this command (e.g. put it in a script) as long as you
don't change the label.

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