linux-kernel - Re: [QUESTION] Sata RAID

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Date:	Sat, 24 Feb 2007 17:19:31 +0000
From:	"Patrick Ale" <patrick.ale@...il.com>
To:	"Michael-Luke Jones" <jonesml@...tmail.to>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [QUESTION] Sata RAID

On 2/24/07, Michael-Luke Jones <jonesml@...tmail.to> wrote:
> But using 'fakeraid' (i.e. BIOS RAID) together with dmraid is
> generally discouraged in favour of using the more stable and well
> supported Linux Software RAID functionality.
>
> Michael-Luke

I think I actually used dmraid, and the problem I had in those days
was that it was just a layer over your legacy IDE drivers.

With 2.4 you had "real" drivers whom created block devices if I recall
correctly which you could really treat as disks.

If dmraid still works as it did in the days I used it it's just a
layer, like LVM, and the kernel itself doesnt care at all for the
disks being in a RAID set or not and will access the disks
independently, this I really found a reason to not use dmraid and
stick with MD devices.

And by the reactions from you guys I guess those reasons still exist :)

So MD it is,

Thanks!

Patrick
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