[CentOS] Is ext4 safe for a production server?

Mark Caudill wrote:
> Wait, just to be clear, are you saying that all use of LVM is a bad idea 
> unless on hardware RAID? That's bad it if it's true since it seems to me 
> that most modern distros like to use LVM by default. Am I missing something?
>   

if LVM is ignoring write barriers, its not a good idea on hardware raid, 
either, at least not for applications that rely on committed writes, 
like transactional databases.