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Message-ID: <9871ee5f0807070431x167b3af3w8710b4df5b714e8d@mail.gmail.com>
Date: Mon, 7 Jul 2008 07:31:01 -0400
From: "Timothy Normand Miller" <theosib@gmail.com>
To: "Timothy Normand Miller" <theosib@gmail.com>,
       "Arjan van de Ven" <arjan@infradead.org>, linux-kernel@vger.kernel.org
Subject: Re: HELP: Getting unexpected fakeraid behavior. Fix?
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On Mon, Jul 7, 2008 at 5:57 AM, Joseph Fannin <jfannin@gmail.com> wrote:

> I don't think dmraid and mdraid *are* functionally the same.  dmraid
> was written as more or less a compatibilty hack, so people using
> fakeRAID with its Windows-only software drivers could still
> dual-boot.  That could have changed somewhat while I wasn't looking,
> but it doesn't sound like it has changed much.

It looks like I've been bitten by misinformation on the web.

> mdraid is still the only "real" Linux softRAID
> implementation... though LVM also does some very RAID-like things.

I''m not sure how much you would save, but it might be more compact to
combine them.  Complexity/size tradeoff, I guess.

> Anyway, the consensus for a long time seems to be that, unless you
> need to dual-boot with a Windows system using fakeRAID drivers, you
> should just put the drive controller in AHCI mode and use mdraid.

That may be so on LKML, but others don't seem to be so well-informed.


-- 
Timothy Normand Miller
http://www.cse.ohio-state.edu/~millerti
Open Graphics Project
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