From: "Pasi Kärkkäinen" <pasik@iki.fi>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: HighPoint RocketRaid 620 vs. RocketRaid 640 -- supported?
Date: Mon, 3 Oct 2011 23:13:16 +0300 [thread overview]
Message-ID: <20111003201315.GD12984@reaktio.net> (raw)
In-Reply-To: <alpine.DEB.2.02.1109210726250.31360@p34.internal.lan>
On Wed, Sep 21, 2011 at 07:28:26AM -0400, Justin Piszcz wrote:
> 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.
>
Hmm.. does SAS "SCSI UNMAP" automatically get translated to
ATA TRIM if you hook up SATA disk to SAS HBA ?
Is the ATA<->SCSI translation being done by the HBA firmware,
or is it handled in the driver?
-- Pasi (who is too lazy to grep in the driver right now ;)
> 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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next prev parent reply other threads:[~2011-10-03 20:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-19 21:56 HighPoint RocketRaid 620 vs. RocketRaid 640 -- supported? Justin Piszcz
2011-09-21 11:28 ` Justin Piszcz
2011-10-03 20:13 ` Pasi Kärkkäinen [this message]
2011-10-03 20:16 ` Justin Piszcz
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