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Date:      Fri, 6 Aug 1999 16:17:42 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Bernd Walter <ticso@cicely.de>
Cc:        pedro <pedro@crp.com.au>, freebsd-fs@FreeBSD.ORG
Subject:   Re: ccdconfig and mirroring
Message-ID:  <19990806161742.S5126@freebie.lemis.com>
In-Reply-To: <19990806071644.A30939@cicely8.cicely.de>; from Bernd Walter on Fri, Aug 06, 1999 at 07:16:44AM %2B0200
References:  <37A676D8.50108E8D@crp.com.au> <19990806105545.U5126@freebie.lemis.com> <19990806071644.A30939@cicely8.cicely.de>

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On Friday,  6 August 1999 at  7:16:44 +0200, Bernd Walter wrote:
> On Fri, Aug 06, 1999 at 10:55:45AM +0930, Greg Lehey wrote:
>> On Tuesday,  3 August 1999 at 14:58:00 +1000, pedro wrote:
>>> Has anyone successful got mirroring working under 3.2-RELEASE.
>>
>> Yes.  But I use Vinum.
>>
>>> I have 2x4Gb SCSI drives and I have followed the steps that I could
>>> find at freebsd.org
>>>
>>> made ccd device
>>> added pseudo-device ccd 4 to kernel config
>>> disklabel -r -w d10 auto
>>> disklabel -e da1c   *I wasn't sure about this one so I changed the
>>> fstype
>>> ccdconfig ccd0 32 6 /dev/da0a /dev/da1c
>>> newfs /dev/rccd0c
>>>
>>> When I rebooted the machine it dosen't have a kernel to start in.
>>
>> Could you expand on that statement?
>>
>>> I am now re-installing the machine so if anyone could give me an
>>> idea of what I need to do it would be very helpful.
>>
>> Well, first, never reinstall unless you have a very good reason to
>> do so, such as a completely trashed disk.
>
> Agree - but a newfs on anything derived from da0a is generaly a good
> reason.

Yes, I suppose if he had had his root file system on /dev/da0a, that
would explain a lot of things, including the reinstall.  This is the
reason that Vinum will refuse to build on a partition of type 4.2BSD.

Greg
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