[CentOS] looking for RAID 1+0 setup instructions?

> There is no option to setup RAID 10.
>
>
> But, let's get back to my previous request,
>
> How would one setup RAID 1+0 (i.e. 2x mirror'ed RAID1's and then a
> RAID 0 on top of it) on say CentOS 4.6 ?
>
>   

There is no option to setup RAID 10 because you are trying to create an 
unsupported configuration. You should separate the OS from the data area.