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Alois Treindl wrote:
>
> >
> > where xxx.xxx.xxx.xxx is the IP address of the director and yyy.yyy.yyy.yyy
> > the address of a realserver running qmail over tcpserver.
> > Another point is that we use NFS to share the users mailboxes between each
> > realserver.
>
> I have a question:
> if such a service runs on a single realserver, is it necessary
> to employ ipvsadm for it? There is no need for load-balancing, after all.
The NFS server is a 2nd tier machine. The real-servers read and write to
it. The clients don't know that the disk they are using is coming from
somewhere else, but the data that is written to it is visible immediately
to other real-servers. The NFS server is not directly a part of the LVS.
Joe
--
Joseph Mack PhD, Senior Systems Engineer, Lockheed Martin
contractor to the National Environmental Supercomputer Center,
mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA
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