kern/47452: df(1) reports filesystem empty when it isn't

[Greg 'groggy' Lehey]

On Sunday,  2 November 2003 at  8:00:41 -0800, Kevin Day wrote:
> The following reply was made to PR kern/47452; it has been noted by GNATS.
>
> From: Kevin Day <toasty at dragondata.com>
> To: freebsd-gnats-submit at FreeBSD.org, toasty at dragondata.com,
> 	kris at FreeBSD.org
> Cc:
> Subject: Re: kern/47452: df(1) reports filesystem empty when it isn't
> Date: Sun, 02 Nov 2003 09:56:54 -0600
>
>  Yes, I have a different system that was previously a 4.8-RELEASE that was
>  somewhat recently upgraded to 5.1-RELEASE.
>
>  Here another vinum backed volume now appears negative:
>
>  server6# du -xch /bay0 | tail -n 1
>  2.5G    total
>  server6# df /bay0
>  Filesystem      1K-blocks   Used    Avail Capacity  Mounted on
>  /dev/vinum/bay0  58379160 -22584 53731416    -0%    /bay0
>
>  It seems harmless, but still strange. The last system was "cured" by a
>  newfs, this one I haven't touched.

On the face of it, this should be a file system problem, not a Vinum
problem, but it's interesting that these problems are only reported
from Vinum volumes.  How about some details of the geometry?

Greg
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