[CentOS] Installing on LVM on SW-RAID

>> I read it quickly, but if I got it right, they're suggesting to put
>> root fs outside of the lvm pv...
>
> Yes, the root file system has to be outside of the LVM -- the initrd
> does not start LVM, so LVM volumes are not available for mounting at
> that point.

Nope. That's false. I've installed with root _inside_ LVM.

The installer is a little weird and limited (only ext2 and ext3), but
the graphical installer does the work.

Regards,
Norberto