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Date:      Sat, 27 Mar 2004 10:53:42 +1030
From:      Greg 'groggy' Lehey <grog@FreeBSD.org>
To:        freebsd-questions@freebsd.org
Subject:   Re: vinum list anomaly
Message-ID:  <20040327002342.GF31700@wantadilla.lemis.com>
In-Reply-To: <20040327001013.GC45524@telus.net>
References:  <20040326191245.GA45524@telus.net> <20040326233018.GD31700@wantadilla.lemis.com> <20040327001013.GC45524@telus.net>

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On Friday, 26 March 2004 at 16:10:13 -0800, Sean Ellis wrote:
> On Sat, Mar 27, 2004 at 10:00:18AM +1030, Greg 'groggy' Lehey wrote:
>> On Friday, 26 March 2004 at 11:12:45 -0800, Sean Ellis wrote:
>
>>> after adding too drives as a concatenated vinum volume I see a line in
>>> the `vinum list` output which doesn't look right to me. Specifically, the
>>> line that refers to spanned_log.p0.s0. Is there a typical explanation for
>>> something like this?
>>>
>>> 2 drives:
>>> D a                     State: up       Device /dev/ad2s1e      Avail:
>>> 10/4110 MB (0%)
>>> D b                     State: up       Device /dev/ad3s1e      Avail:
>>> 10/4110 MB (0%)
>>
>> This looks like your MUA folded it.  It should look like this:
>>
>>> 2 drives:
>>> D a                     State: up       Device /dev/ad2s1e      Avail: 10/4110 MB (0%)
>>> D b                     State: up       Device /dev/ad3s1e      Avail: 10/4110 MB (0%)
>
> Sorry, the pasted in details did lose their formatting.
>
> The line that I'm curious about though appears below; the line referring
> to spanned_log.p0.s0. The two disks are identical, and I thought that
> I'd prepared them in like fashion, yet one displays "0 B Size" and the
> other "4100 MB Size".

You're misparsing.  They are both "Size:       4100 MB".  The first is
at plex offset 0 MB, the second at plex offset 4100 MB.

> I've just ran `vinum list` again, and I now have other problems (below),
> so I will be dealing with them and seeing how things stand at that
> point.
>
> new 'list'
>
> S spanned_log.p0.s0     State: up       PO:        0  B Size:       4100 MB
> S spanned_log.p0.s1     State: crashed  PO:     4100 MB Size:       4100 MB

Take a look at http://www.vinumvm.org/vinum/how-to-debug.html if you
haven't already done so.

Greg
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