[CentOS] DR Solutions

[Les Mikesell]

On Thu, 2006-03-02 at 10:03, Tom Brown wrote:
> > Mondo rescue?
> 
> thanks but i want box b to be at the other end of a LAN extension and 
> whenever any block gets updated on box i want that replicated on box b
> 
> i want absolute block for block as opposed to using something like rsync

Look at http://www.linux-ha.org/ and in particular the part about
drbd which manages the block level replication. You can also roll
your own using the enbd device and software raid.  I'd also think
that you should be able to do software raid over iscsi but haven't
seen anything about it yet.

-- 
  Les Mikesell
    lesmikesell at gmail.com