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Date:      Mon, 16 Sep 2002 08:20:11 -0500
From:      "Jaime Bozza" <jbozza@thinkburst.com>
To:        "'Greg 'groggy' Lehey'" <grog@FreeBSD.org>
Cc:        <stable@FreeBSD.ORG>
Subject:   RE: vinum/softupdates/fsck strange problem
Message-ID:  <006701c25d83$c8feb5b0$6401010a@bozza>
In-Reply-To: <20020916003357.GO30557@wantadilla.lemis.com>

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>>> Hmm, that's a known problem with Vinum, but only after things have
>>> gone wrong at some earlier point.  You should take a look at
>>
>> Will do.  Like it said though, rebooting made it show the correct
>> devices for the drives and I haven't seen the problem since.
>
>Hmm, that does rather suggest a hardware problem, then.  It should
>have found the same devices every time.

dmesg showed the same devices, the root filesystem showed the correct
slice. It was just vinum that acted as if the 's1' wasn't there.
(Using ad0h instead of ad0s1h)

These are systems that have been around a while.  I just recently
converted the regular filesystems over to vinum (The filesystems were
dump/restored).  Previous to that, I had never had a problem.  Granted, 
it still may be a hardware problem (which I'll watch out for), but 
having it happen on two completely different systems the exact same
way makes me think something else.

These *are* IDE drives and write caching was on, so there could be 
something there.   I have turned write caching (hw.ata.wc) off this
weekend.

>> I'm building a new system from scratch here though, so I'll see if I
>> can simulate some failures (and reboots) to see if I can get a
>> similar error.
> 
>Would this be an AMD system?  Is it possible that you're having
>thermal problems?

P3-500's, Asus P2B-F motherboards.  Fans are working fine.  Come to
think of it, those are the only two systems using the configuration.


Jaime




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