[CentOS] setting up CentOS 5 with Raid10

[Ruslan Sivak]

David Mackintosh wrote:
> On Mon, Apr 30, 2007 at 11:30:44AM -0400, Ruslan Sivak wrote:
>
>   
>> Thank you for the notes.  I followed them, but I'm still not having any 
>> luck installing.  I go to shell and create the arrays and create the 
>> config files, but when I switch back to anaconda, it doesn't detect 
>> /dev/md10, only /dev/md11 and /dev/md12.  I can't create another raid 
>> device in anaconda.  What am I doing wrong?  I tried setting up LVM when 
>> i first installed this, but it failed to boot.
>>     
>
> I don't believe you can boot from any device that includes RAID-0 in
> its components.  This is because the kernel is what knows how to
> drive a RAID-0 device, whereas the Grub loader knows how to do is
> read linearly.  
>
> At a bare minimum, your /boot must be non-RAID0 and non-LVM.
>
>   
Since there doesn't seem to be a good way to do this manually, would it 
be possible to create an install cd that has the updated anaconda and md 
packages that support raid10? 

Russ