Re: bin/60208: 'gpt add' should error if the specified label already exists

["Jan Schaumann via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR bin/60208; it has been noted by GNATS.

From: Jan Schaumann <jschauma%netmeister.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: bin/60208: 'gpt add' should error if the specified label already
 exists
Date: Sat, 25 Apr 2026 16:56:10 -0400

 Robert Elz via gnats <gnats-admin%NetBSD.org@localhost> wrote:
 
 >  No, but nor is it doing that, the label you request is being set
 >  on the partition in the partition table, just use "gpt show -l" (or -a)
 >  to see it.
 
 >  gpt doesn't create wedges at all, it labels disk like devices.
 >  
 >  dkctl creates wedges in the kernel.   As Michael said in his reply,
 >  if a wedge has a duplicate label, the GUID is used instead (by the
 >  kernel) - the label still exists in the GPT table, it just isn't
 >  used by the kernel.
 
 Ah, ok, I see.
 
 Still find it confusing, I agree that gpt(8) does what
 is says it would, and I can't think of a good way of
 resolving the scenario I described.
 
 I'll close this bug.
 
 Thanks,
 -Jan