From mboxrd@z Thu Jan  1 00:00:00 1970
From: NeilBrown <neilb@suse.de>
Subject: Re: Linux RAID subsystem future
Date: Fri, 13 Jul 2012 06:35:01 +1000
Message-ID: <20120713063501.3f9a3bd8@notabene.brown>
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To: Drew <drew.kay@gmail.com>
Cc: Zdenek Kaspar <zkaspar82@gmail.com>, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-kernel@vger.kernel.org
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On Thu, 12 Jul 2012 13:28:24 -0700 Drew <drew.kay@gmail.com> wrote:

> > Hello lists,
> >
> > I noticed recent patches added MD RAID compatibility into the DM
> > subsystem. Is there a valid reason to duplicate efforts ?
> >
> > Hopefully its not silent preparation step for DM takeover. Can someone
> > shed more light on this topic ?
> >
> > TIA, Z.
>=20
> I'm not a developer by any stretch of the word so take what I say with
> a grain of salt.
>=20
> I think it's more just a case of dm using md's RAID algorithms, which
> IMHO are better tested, to support fakeraid controllers like Intel's
> Matrix RAID. Besides, we're all one big happy linux family so why not
> borrow your brother's socks? :-)
>=20
>=20
Indeed!

It isn't duplication of effort - it is avoiding or removing duplication of
effort.  That's the theory any way.

There is no "DM takeover" - just engineers working together to try to find
optimal solutions.

NeilBrown


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