Re: unionfs 5.4

From: Kris Kennaway <kris_at_FreeBSD.org>
Date: Mon, 7 Mar 2005 17:02:54 +0000
On Sun, Mar 06, 2005 at 11:32:18AM +0300, Denis Shaposhnikov wrote:
> >>>>> "Kris" == Kris Kennaway <kris_at_FreeBSD.ORG> writes:
> 
>  Kris> But it works, and doesn't panic the system.  unionfs is
>  Kris> well-documented to be broken, and this is unlikely to change in
>  Kris> the near future.
> 
> That's a recent regression, unionfs works fine on
> 
> FreeBSD sagitta.internal.vlink.ru 6.0-CURRENT FreeBSD 6.0-CURRENT #1: Wed Dec  1 17:39:09 MSK 2004 dsh_at_rigel.internal.vlink.ru:/var/FreeBSD/obj/var/FreeBSD/src/sys/SAGITTA i386
> 
> And if unionfs panic the system on 5.4 too, I think it can't be STABLE
> at all.
> 
> BTW, from man mount_nullfs:
> 
> BUGS
>      THIS FILE SYSTEM TYPE IS NOT YET FULLY SUPPORTED (READ: IT DOESN'T WORK)
>      AND USING IT MAY, IN FACT, DESTROY DATA ON YOUR SYSTEM.  USE AT
>      YOUR OWN RISK.  BEWARE OF DOG.  SLIPPERY WHEN WET.
> 
> So you can't suggest to use nullfs instead of unionfs, because "is
> well-documented to be broken".

That comment seems to be out of date.  I'm not aware of any existing
bugs in nullfs in 5.x and 6.x.

Kris

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Received on Mon Mar 07 2005 - 16:02:54 UTC

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