Preliminary remark: We don't have ltsp installed, but another solution from a
german company called Gonicus, which works fine already for 5 years. This
setup is quite similiar to ltsp5, based on native Debian package management.
To update our installation we intend to switch to ltsp5.
But this doesn't touch our discussed problem.
On Wed, Aug 01, 2007 at 08:40:47AM -0500, Jim Kronebusch wrote:
> > But this all assumes that you are already on the server. My current
> > understanding is that the basic load balancing is achieved by choosing the
> > least loaded server to login. So this has to take place on the thin client
> > before you get logged into one server.
> >
> > Or do I have the wrong picture?
>
> This is where I was thinking the master server would communicate with other
> servers in
> the pool via ssh in order to determine what to set as the default for clients
> or how to
> build the list of servers. As I understand in this type of load balanced
> setup there
> would be a single "boot" server which would be running the initial LDM to get
> a log in
> screen, but then upon server choice at login you would be directed to the
> chosen server,
> is that correct? If not could someone clarify the boot sequence in such a
> load balanced
> environment and where the choice for servers actually takes place?
I don't know how LDM works. We use KDM, which gets the login screen already
from one of the application servers. This means, when you login, the decision
about choosing the least loaded server is already done by providing the login
window from this server. The logic for choosing a server is on the client
side.
During the boot sequence, we have a script /etc/init.d/startx (which I can
provide in case of interest), which gets a list of available application
servers, in our case from LDAP. Each server from the list is xdmping'ed and the
least loaded one chosen to get contacted via
/usr/X11R6/bin/X -query <least_loaded_server>
HTH
Helmut
--
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Helmut Lichtenberg <[EMAIL PROTECTED]> Tel. +49 (0)5034/871-128
Institut f�r Tierzucht 31535 Neustadt Germany
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