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Date:      Sat, 23 Jan 1999 13:36:30 +1030
From:      Greg Lehey <grog@lemis.com>
To:        Mark Conway Wirt <mark@intrepid.net>
Cc:        freebsd-isp@FreeBSD.ORG
Subject:   Re: ccd and vinum (was: Introduction/ccd(4) Question)
Message-ID:  <19990123133630.J26886@freebie.lemis.com>
In-Reply-To: <19990122220426.D26750@intrepid.net>; from Mark Conway Wirt on Fri, Jan 22, 1999 at 10:04:26PM -0500
References:  <19990122200141.A4461@intrepid.net> <19990123115446.A26886@freebie.lemis.com> <19990122220426.D26750@intrepid.net>

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On Friday, 22 January 1999 at 22:04:26 -0500, Mark Conway Wirt wrote:
> On Sat, Jan 23, 1999 at 11:54:46AM +1030, Greg Lehey wrote:
>>
>>>   3) If a disk in a mirror set fails, does the ccd fail immediately,
>>>      or can you unmount the device and rebuild gracefully?
>>
>> ccd fails immediately.
>>
>> On the other hand, vinum does the right thing: if a drive fails, it
>> will carry on running, and you can rebuild the volumes on line.  Take
>> a look at http://www.lemis.com/vinum.html.
>
> I looked at vinum site when I started considering this project, but
> was a little concerned that it's considered "beta."

It's all in the eye of the developer.  I think that Vinum is at least
as reliable as ccd.

Greg
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