How to list an UUID?

[Ron Morse]

On Thursday 29 March 2007 10:33:22 Thilo Six wrote:
> Ron Morse wrote the following on 28.03.2007 20:11:
> > On Wednesday 28 March 2007 11:30:45 Thilo Six wrote:
> >> man 8 vol_id
> >>
> >> bye Thilo
> >
> > That's actually pretty useless. Why make someone
> > unmount a partition just to check a UUID?
>
> ??
>
My bad.  vol_id wants sudo: 

sudo vol_id /dev/sdb1
ID_FS_USAGE=filesystem
ID_FS_TYPE=ext3
ID_FS_VERSION=1.0
ID_FS_UUID=3da80bb3-09c5-4449-af4d-20bf30544f06
ID_FS_LABEL=
ID_FS_LABEL_SAFE=

whereas without sudo it returns:

/dev/sdb1: error open volume

Got me confused, it did

RBM