[CentOS] how do i have a clone centos server

[John R Pierce]

Johnny Hughes wrote:
> The easiest way to make that happen is to use a product called DRBD

do be aware, drbd replicas are not 'safe' for things like transactional 
databases, unless they are configured to be synchronous (such that a 
fsync doesn't return until its written on both the local disk AND the 
replica), which slows everything way down.