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Date:      Fri, 22 Jun 2001 13:50:15 +0930
From:      Greg Lehey <grog@FreeBSD.org>
To:        Bill Moran <wmoran@iowna.com>
Cc:        Drew Derbyshire <ahd@kew.com>, questions@FreeBSD.org
Subject:   Re: Stopping / removing vinum segments
Message-ID:  <20010622135015.Z57186@wantadilla.lemis.com>
In-Reply-To: <3B32C5BE.D388DCF9@iowna.com>; from wmoran@iowna.com on Fri, Jun 22, 2001 at 12:12:46AM -0400
References:  <007701c0f6de$cef773b0$94cba8c0@xena> <3B2C2B84.8792D238@iowna.com> <000801c0f72b$f25931c0$94cba8c0@xena> <3B2CC068.2A0B6C01@iowna.com> <000801c0f748$ab47a880$94cba8c0@xena> <20010619112338.C58585@wantadilla.lemis.com> <002801c0fa6c$3d0f78d0$94cba8c0@xena> <20010622132151.X57186@wantadilla.lemis.com> <3B32C5BE.D388DCF9@iowna.com>

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On Friday, 22 June 2001 at  0:12:46 -0400, Bill Moran wrote:
> Greg Lehey wrote:
>> There's a good reason to use force here: you're damaging the
>> structure, potentially causing data loss.  If you have detach the
>> objects first, you can remove them.  But you'll need force to detach
>> anything which makes a hole in a volume address space.
>
> Makes sense now (didn't before)
> Perhaps a more informative error message under these circumstances would
> be helpful? Something to the effect of: "Detaching will destroy data!
> Use -f if you're sure."

Yes, this would be a good idea.  If somebody wants to write the code,
I'll include it.

>>> rm commands at all object levels and detach commands.  All gave generic
>>> "device busy errors",
>>
>> Yes, this is a feature, not a bug.
>
> For the same reason stated above? That makes sense. Perhaps a better
> error message would be helpful to users in this circumstance as well.
> "Removing this device will destroy data permanently! Use -f if you're
> sure."

Ditto

Greg
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