Mailinglist Archive: opensuse (3513 mails)

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Re: [opensuse] Any Ideas? Does openSUSE 11.1 support Intel ICH9R as an AHCI out-of-the-box
  • From: "Greg Freemyer" <greg.freemyer@xxxxxxxxx>
  • Date: Tue, 13 Jan 2009 18:55:08 -0500
  • Message-id: <87f94c370901131555y1c24b73fw247dcd34d916ae08@xxxxxxxxxxxxxx>

--- On Tue, 1/13/09, Greg Freemyer <greg.freemyer@xxxxxxxxx> wrote:

From: Greg Freemyer <greg.freemyer@xxxxxxxxx>
Subject: Re: [opensuse] Any Ideas? Does openSUSE 11.1 support Intel ICH9R as
an AHCI out-of-the-box
To: baladeh@xxxxxxxxx
Cc: opensuse@xxxxxxxxxxxx
Date: Tuesday, January 13, 2009, 10:13 PM
On Tue, Jan 13, 2009 at 4:34 PM, Yas say
<baladeh@xxxxxxxxx> wrote:
Does anyone know if AHCI is built into the Linux
Kernel that comes with openSUSE 11.1? Please reply.

AHCI is a class of SATA controllers. The basic AHCI
functionality is
definitely in the kernel.

The reason you need to test is to see if the specific
controller /
PCI-bus / etc. that you have will trigger the AHCI driver
to load and
run.

If it does not, it is typically straight forward to get
PCI-IDs, etc.
added to the vanilla kernel, but that will not help you.

Therefore, I still recommend you test via the LiveCD
OpenSUSE
provides. It uses the same kernel as the full product and
one of the
reasons it exists is to allow people such as yourself to
perform
hardware compatibility tests.

Greg

====>Top-posting moved to Bottom-post as desired on this list.

On Tue, Jan 13, 2009 at 6:21 PM, Yas say <baladeh@xxxxxxxxx> wrote:
Greg:

I think you missed my first couple of posts. I have openSuSE running on this
machine right now. The issue is: it did not detect hardware the way they are
setup - RAID. I want dismantle RAID, if opensuse supports AHCI.

Please remember that the LiveCD will have more drivers and power than the
distro. I have seen that before and you will find posts online about it.

I asked one simple question. If you do not know exact answer, please do not
guess it. Otherwise, people who may have replied will hesitate.

thanks

SATA controller cards have different modes. When you change the mode
you cause a different PCI-ID to be returned by the controller. That
is what triggers different drivers to kick in for different modes of
the controller.

So that fact that your controller in RAID mode has problems is totally
meaningless when asking if it will work in AHCI mode.

FYI: In AHCI mode, if you want raid support you have to use mdraid
(software raid) and your current raid will be lost.

Greg
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