[CentOS] centos 5.5 install + intel raid

Thu Jan 6 19:02:32 UTC 2011
Matt <lm7812 at gmail.com>

> Hi all,
>
> Installing 5.5 on a fresh system having an Intel RAID.
>
> My 2 drives are configured as a mirror within the Intel BIOS.
>
> When starting my install, Anaconda throws an exception.
>
> After a brief goog, I see one possible fix is - at the install prompt,
> type;
>
> linux text nodmraid
>
> This is fine and all but Centos sees 2 disks at this point rather then
> 1 which is what I thought the Intel RAID controller would present to
> the OS.
>
> I am pretty much tarded when it comes to installs as I usually boot of
> a DVD, enter some choices based on requirements and off I go.
>
> I once compiled a network driver into the initrd and remade my boot
> disk but that seems beyond me now.
>
> Any help is greatly appreciated.

You are much better off disabling the fake raid in bios and just using
software raid:

http://wiki.centos.org/HowTos/SoftwareRAIDonCentOS5

http://www.centos.org/docs/5/html/Deployment_Guide-en-US/s1-raid-config.html

Or Google: centos 5 software raid.