linux-kernel - Re: HighPoint RocketRaid 620 vs. RocketRaid 640 -- supported?

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Date:	Wed, 21 Sep 2011 07:28:26 -0400 (EDT)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: HighPoint RocketRaid 620 vs. RocketRaid 640 -- supported?

Hi,

Incase anyone is wondering the same thing, I contacted Highpoint and they 
said (confirmed) the 620 support (which I am using now) is built-in to the 
kernel and the 640 is not, so unless you like compiling kernel modules/out 
of tree drivers for a _boot_ volume and want a regular SATA 6.0gbps 
controller that supports TRIM, I'd go for the 620 even though it maxes out 
around 390-420MiB/s read where a real SAS controller supports 490-500MiB/s 
for an Intel 510 SSD, but remember, SAS controllers (at least the one I 
tested with does not support TRIM and there is no Intel SSD optimizer for 
Linux.

Justin.

On Mon, 19 Sep 2011, Justin Piszcz wrote:

> Hi,
>
> I have a HighPoint RocketRaid 620 and it works fine with 3.0+.
> The HighPoint RocketRaid 640 also has a Marvell 88SE9128, can anyne confirm 
> whether this (x4) PCI-e 2.0 card works in Linux with the built-in kernel 
> driver?
>
> Justin.
>
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