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Date:      Wed, 5 Apr 2000 12:21:52 -0700
From:      Alfred Perlstein <bright@wintelcom.net>
To:        Matthew Dillon <dillon@apollo.backplane.com>
Cc:        Brad Knowles <blk@skynet.be>, Mathew Kanner <mat@cs.mcgill.ca>, current@FreeBSD.ORG
Subject:   Re: Vinum breakage
Message-ID:  <20000405122151.A8349@fw.wintelcom.net>
In-Reply-To: <200004051843.LAA79634@apollo.backplane.com>; from dillon@apollo.backplane.com on Wed, Apr 05, 2000 at 11:43:52AM -0700
References:  <200004051344.JAA15337@dean.pc.sas.com> <200004051606.JAA78646@apollo.backplane.com> <20000405123724.A24249@cs.mcgill.ca> <200004051649.JAA78992@apollo.backplane.com> <v0422081db51122bb4520@[195.238.1.121]> <200004051843.LAA79634@apollo.backplane.com>

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* Matthew Dillon <dillon@apollo.backplane.com> [000405 12:12] wrote:
> 
> :
> :>      Also, as a general note to everyone, make sure you are building vinum
> :>      into the kernel directly and not using it as a kld, just to ensure that
> :>      it stays in sync with the kernel.
> :
> :	Isn't this in direct conflict with the instructions given for 
> :normally using vinum?  Is this a temporary change, until we get over 
> :some of the current problems, or is this a more permanent change?
> :
> :	Out of curiosity, is this your recommendation, or does Greg agree with it?
> 
> 
>     This is my personal recommendation - if you are messing around with 
>     something that is under development or test, it is best to build it 
>     into the kernel to avoid getting out of sync without knowing it.

Last I checked, doing so is dangerous because by default the userland
components of vinum have debugging on which is incompatible with
a kernel running vinum without debug (the default when linked in).

So you must also relink your vinum utilities without debug and install
them or you won't be able to use vinum.

I hope to work with Greg soon to resolve this, if it hasn't already
been fixed.

-- 
-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
"I have the heart of a child; I keep it in a jar on my desk."


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