netdev - Re: [RFD] Layering: Use-Case Composers (was: DRBD - what is it, anyways? [compare with e.g. NBD + MD raid])

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Message-ID: <Pine.LNX.4.64.0708131102310.28963@fbirervta.pbzchgretzou.qr>
Date:	Mon, 13 Aug 2007 11:02:54 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	david@...g.hm
cc:	Paul Clements <paul.clements@...eleye.com>,
	Al Boldi <a1426z@...ab.com>, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, netdev@...r.kernel.org,
	linux-raid@...r.kernel.org
Subject: Re: [RFD] Layering: Use-Case Composers (was: DRBD - what is it,
 anyways? [compare with e.g. NBD + MD raid])


On Aug 12 2007 20:21, david@...g.hm wrote:
>
> per the message below MD (or DM) would need to be modified to work
> reasonably well with one of the disk components being over an
> unreliable link (like a network link)

Does not dm-multipath do something like that?

> are the MD/DM maintainers interested in extending their code in this direction?
> or would they prefer to keep it simpler by being able to continue to assume
> that the raid components are connected over a highly reliable connection?

	Jan
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