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Date:      Fri, 11 Sep 1998 09:06:03 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Jake <jake@checker.org>, questions@FreeBSD.ORG
Subject:   Re: how to enable softupdates on ccd?
Message-ID:  <19980911090603.Q583@freebie.lemis.com>
In-Reply-To: <199809100210.TAA00264@elephants.dyn.ml.org>; from Jake on Wed, Sep 09, 1998 at 07:10:17PM -0700
References:  <199809100210.TAA00264@elephants.dyn.ml.org>

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On Wednesday,  9 September 1998 at 19:10:17 -0700, Jake wrote:
> how do I enable softupdates on my ccd file system?
>
> I have tried booting in single user mode and
> running tunefs -n enable /dev/ccd0c

Are you really using ccd0c for your file system?  That's the "complete
device".  Never mind that that doesn't make sense for ccd, but the
system still takes it that way.  

> if I do that before running ccdconfig -C I get
> bad super block: device not configured,

Yes, of course.  ccdconfig is responsible for creating the device.

> after ccdconfig'ing I get
> bad super block: Invalid argument

Probably a bug.  What happens if you try ccd0a?

In any case, the last I heard, there were problems running softupdates
with ccd.  They may have been fixed.  There are also problems running
softupdates with vinum (last I heard), but at least you should be able
to get better results with vinum.  Check
http://www.lemis.com/vinum.html for more details.

Greg
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