Re: [Xen-users] Simple high-availability Apache project

Rainer Sokoll
Wed, 03 Dec 2008 00:20:46 -0000

On Tue, Dec 02, 2008 at 03:41:54PM -0800, Daniel Kao wrote:

Hi,

> I have two Dell PowerEdge 1950 III''s that are running CentOS 5.2
x86_64
> running Xen 3.2.2.  I would like to run a small PV domU of CentOS 5.2
> x86_64 where the sole-purpose is just to serve static HTML files via
> Apache.  I would like to set up Xen on both machines where as if the
> "primary" VM is taken off-line (i.e. either explicitly or
crashes), that
> the VM is brought up on-line almost instantaneous on the second PowerEdge
> to take over serving the static HTML files.

That is what Linux-HA is made for.

> I would like to have the file-systems sync''ed between both
VM''s

DRBD is your friend.
In your case, I do not see the need for Xen.

Rainer