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