From owner-freebsd-questions@FreeBSD.ORG  Sun Jun 22 13:18:34 2008
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Date: Sun, 22 Jun 2008 14:02:30 +0100
From: RW <fbsd06@mlists.homeunix.com>
To: freebsd-questions@freebsd.org
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Subject: Re: shellscript conditional to check for external disk
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On Sun, 22 Jun 2008 11:13:15 +0200
Roland Smith <rsmith@xs4all.nl> wrote:

> On Sun, Jun 22, 2008 at 12:22:07AM +0100, RW wrote:
> > On Sun, 22 Jun 2008 00:47:31 +0200
> > Roland Smith <rsmith@xs4all.nl> wrote:
> > 
> > 
> > > Use glabel(8) to give the device an unique label. There is no
> > > telling which device /dev/da0s1d is pointing to! After labeling
> > > you can check for /dev/<fstype>/<yourlabel>, which should be
> > > unique.
> > 
> > I think that should be:
> > 
> > /dev/label/<yourlabel>
> 
> That is only for non-filesystem labels, according to glabel(8):
> 
>     "This class also provides volume label detection for file
> systems.  Those labels cannot be set with glabel, but must be set
> with the appropriate file system utility, 
> ...
>      Non file-system labels are created in the directory /dev/label/."

but you did write: "Use glabel(8) to give the device an unique
label", so it would be a non-filesystem label.