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Date:      Tue, 3 Nov 1998 16:26:47 -0500 (EST)
From:      Steve Ames <steve@ns1.cioe.com>
To:        freebsd-isp@FreeBSD.ORG
Subject:   disk mirroring?
Message-ID:  <199811032126.QAA01939@ns1.cioe.com>

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Can anyone recommend a non-hardware method of disk mirroring? What
I'm looking for is something akin to disk mirroring under NT4. ie
I add another drive, declare it and an old disk part of a mirror
set and data gets replicated and then subsequent writes go to both
drives.

The goal is so that if one drive crashes I can do a minimal amount
of work and get things running on the mirror.

I looked at vinum in the 3.0 release but it doesn't _appear_ to be
able to do this. I would have to start over using vinum volumes and
the boot sections would still have to be maintained seperately.

If this just isn't possible, how about a clean way of during periodic
whole volume copies?

						-Steve

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