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Date:      Tue, 19 Oct 1999 11:41:51 -0700
From:      Greg Lehey <grog@lemis.com>
To:        Adam Nealis <adamn@csl.com>
Cc:        freebsd-questions <freebsd-questions@FreeBSD.ORG>
Subject:   Re: vinum - How long does it take to perform operation X?
Message-ID:  <19991019114151.42479@mojave.worldwide.lemis.com>
In-Reply-To: <380CAEAA.AE9201E1@csl.com>; from Adam Nealis on Tue, Oct 19, 1999 at 06:47:22PM %2B0100
References:  <38075030.7F681CE8@csl.com> <19991017123346.46381@mojave.lemis.com> <380CAEAA.AE9201E1@csl.com>

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On Tuesday, 19 October 1999 at 18:47:22 +0100, Adam Nealis wrote:
> Greg Lehey wrote:
>>
>> On Friday, 15 October 1999 at 17:02:56 +0100, Adam Nealis wrote:
>>> I don't mount them on boot either, as I quickly discovered vinum
>>> dumps core if you try to operate on mount devices.
>>
>> If you get any kind of dump from Vinum, I want to know about it.
> Would you like me to send you the next vinum.core I get?

Is this a dump from vinum(8)?  That would be new.  I certainly don't
want you to send me a 200 MB panic dump.

> I didn't mention I was finding it very easy to get panics, and
> once I got a complete lock up! Meaning I had to power cycle the
> box to reboot it.

OK, but that's what I want to know about.

> I wouldn't be surprised if I'm doing something(s) wrong, but is it
> really this easy to hang a box using vinum?

It shouldn't be.  But if nobody who runs into a problem tells me about
it, I can't fix it.

>>> I decided to clear out any cruft with
>>>
>>> bash 2.03# vinum resetconfig
>>>
>>> Enter Text -> NO FUTURE
>>>
>>> and it's been over an hour and the command doesn't seem to have
>>> completed.
>>
>> That should be just about instantaneous.
>
> When I ^C'd that one I got a message saying that the operation had
> completed. I may have tried it again later, and caused a panic.

OK, follow the instructions for analysing a panic.

>>> I don't understand why this is taking so long.  I'm becoming
>>> confused!
>>
>> I haven't seen this before.  What does 'ps lawx' say?  Output to a
>> file and then attach it.
>>
>> After that, reboot your machine and try the 'vinum create' again.  If
>> it hangs, I'd like to see the output of 'ps lawx' at that point.
>
> I'll try and do this.
>
> I'll also figure out how to put in a debug kernel, etc.

There's a description in the web page.

Greg
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