Raid and Asus DSBF-DE/SAS server board problem

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Machine boots Server 2008 fine.  As soon as I set BIOS SATA Controller Mode
Option to 'Enhanced' and set the BIOS SATA RAID Enable to 'Enable' the
machine will no longer boot.  The Server 2008 program goes through about the
first 20 seconds of the boot procedure and then fails.  The computer
restarts and then stops at the Server 'Windows failed to start page' and
gives the boot options.  If you just leave it alone, in 30 seconds the
machine tries to boot and gooes through the whole procedure again.  Set the
SATA RAID options back and the machine works fine.

I was hoping someone might have experienced this and found the solution or
might have some ideas of what to do.  The only thing I have done is update
the BIOS.  I need a couple of mirrored disks for data and I was hoping to
use the on-board raid facilities.

Thanks for any help.

Re: Raid and Asus DSBF-DE/SAS server board problem

On Sat, 21 Feb 2009 09:31:45 -0800,

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The symptom is typical of windows needing a raid driver to
finish booting.  When installing windows that bios feature
should be enabled and you hit F5 very early in the
installation to give it a floppy with the raid driver on it.

There might be ways to get it to work without reinstalling,
something like copying the driver to the
%SystemRoot%\System32\Drivers folder and merging some
registry entries but the specifics of this I don't recall
and they are unique to that controller (look at it's driver
files to see if they give a hint).

Re: Raid and Asus DSBF-DE/SAS server board problem

Good thought.  But I don't understand why, since the boot disk is not part
of any RAID array.  I really don't want to redo the O/S since this server is
a host for a number of virtuals running MS EBS.  Although the virtual part
would be easy to handle.

I will explore your suggestion and see what I come up with.  The more I
think about it the more I think you're probably right.  Thanks


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Re: Raid and Asus DSBF-DE/SAS server board problem

On Sat, 21 Feb 2009 12:31:20 -0800,

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It's still relevant if the drive runs from the same
controller as it is seen differently to the OS, not
identified and without the driver for the important raid
manager software use.

Here is a guide to what I  mentioned previously, changing
the raid controller on a pre-existing windows installation,
but it is possibly for a different raid controller so  you
will have to adjust the guide to yours (same steps, just
different files, registry entry values, and possibly bios
setting named differently).

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