[CentOS] 4 X 500 gb drives - best software raid config for a backup server?

[Ray Van Dolson]

On Wed, Feb 18, 2009 at 11:12:13AM -0800, John R Pierce wrote:
> Scott Silva wrote:
> > You can make LVM over raid 1's in Disk Druid, but I don't think it will do
> > raid 10. And you cannot boot from software raid 5 (yet).
> >   
> 
> a LVM over several raid 1's is effectively raid10 as LVM will stripe the 
> volumes across the devices.   It would be nice if  LVM could do 
> mirorring too (like LVM on AIX does) and was tighter integrated with the 
> file system tools (again, like LVM on AIX...  grow a LV and it grows the 
> JFS thats sitting on it, transparently and online).
> 

Can't Linux LVM do mirroring?  I swear I read that it could in the man
page.  Never have tried it however and you certainly can't set it up
from disk druid in anaconda.

Ray