[CentOS] HD/Partitions/RAID setup

[Joshua Baker-LePain]

On Wed, 11 Apr 2007 at 11:32am, Ashley M. Kirchner wrote

>
>   I have a machine that's been configured as follows using its BIOS tools:
>
>   SATA-0 is a 160 GiB drive used as boot
>   SATA-1 and SATA-2 are both 500 GiB drives and were configured as a RAID-1 
> in BIOS.
>
>   When the system boots up, BIOS reports 1 160 GiB SATA drive, and 1 Logical 
> volume as RAID-1 ID#0 500 GiB, which is what I would expect it to report, as 
> the two drives are now raided together.
>
>   However, when I boot into the Centos installer and I get to configuring 
> the partitions, it lists both sda, sdb, and sdc as available.  Both sdb and 
> sdc are 500 GiB.  I would've expected to only see one drive for the RAID 
> setup.
>
>   Can someone explain why I see both drives and how am I supposed to 
> configure them?  I thought if I configured the BIOS to raid them, I wouldn't 
> have to do anything in the OS other than to format the thing and expect it to 
> work.

FAQ.

http://linux-ata.org/faq-sata-raid.html

-- 
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University