[LON-CAPA-dev] Round Robin

Gerd Kortemeyer lon-capa-dev@mail.lon-capa.org
Thu, 29 Aug 2002 17:38:16 -0400


No, no, no ... either your round robin is set up wrong, or you are getting
mixed messages from the IP-name-caching that goes on in the client operating

You need to actually do the statistics with a computer lab full of clients, and
very likely about half of them will go to capa7, and the other half to capa10.
One and the same computer will always go to the same machine until the
operating system flushes its cache.

- Gerd.

Mark Lucas wrote:

> Hi-
>         My predicament: I've finally gotten around to trying a roundrobin
> with my two access servers through BIND. I've got capa7 and capa10.
>         Here's the cute part - there seems to be two accesses to
> loncapa.phy.ohiou.edu in the login process before it transitions over to
> capa10 or capa7.
>         What this means is that my round robin is dysfunctional unless two
> students are logging in at the same time (ie., one is half way through the
> process when the second comes on). Although a cute experiment in
> statistics, it doesn't help me much.
>         Is there anyone who can tell me off the bat whether the login
> script can be modified to grab the actual machine name before submitting
> the user name and password information? My assumption is that it is
> pulling the name off the URL rather than the host machine. Can I tweak
> this?
>                                                 Thanks,
>                                                     Mark
> ----------------------------------------------------------------------------
> Mark Lucas                                      email: lucasm@ohiou.edu
> 252D Clippinger Lab                             phone: (740)597-2984
> Department of Physics and Astronomy             fax:   (740)593-0433
> Ohio University
> Athens, OH 45701
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