R605 is a power edge server model I think.The Perc6/i is a Dell rebranded raid controller, it's actually an LSI in disguise. Try downloading the Megaraid utilities from LSI and using them to see the status of the card.
Also, when you boot the R605, you should be able to get into the Perc's firmware for drive creation/maintenance. You might want to check there to see how it thinks things are configured and it hasn't decided the 750G drive is a hotspare or something (a hotspare wouldn't show up to the OS).
I'm assuming all the drives are connected to the Perc6/i controller. Drives connected to the Perc controller won't necessarily show up to the BIOS.
On 2010-06-29, at 3:14 PM, Agile Aspect wrote:
> On Tue, Jun 29, 2010 at 2:36 PM, <m.roth@xxxxxxxxx> wrote:
>> I think there was just a thread 'bout this, and I didn't pay attention...
>> and then I walked into our smallest server room to rebuild a server with
>> CentOS... and that's what it is. The problem I'm having is this: there are
>> two 1T SAS drives, raided, via the controller. There's also a 750G SATA
>> drive. The Dell test suite sees it, and reports that SMART says it's fine.
>> However, no matter what I do, the BIOS doesn't see it, and when I boot to
>> linux text, fdisk only sees the raided 1t.
>>
>> Clues for the poor? I want to put the system on the SATA drive, leaving
>> the raid for data.
>>
>>
>>
>
> I have no idea what R605 is, but you need to state the version of
> Centos (imagine that) and the type of disk controller, i.e., post
>
> lspci
>
> It's possible the problem is a BIOS setting, e.g., you may need to
> turn on AHCI.
>
> --
> Enjoy global warming while it lasts.
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