balwant singh wrote:
>
>
> On 2/27/07, *Noel* <[EMAIL PROTECTED] 
> <mailto:[EMAIL PROTECTED]>> wrote:
>
>     Tadeu F. Oliveira wrote:
>     > Hi, Everybody
>     > does anyone have tried LTSP with some kind of load balance?
>     > Is there any try to use LTSP with OpenMosix or something such?
>     >
>     Yes, we've tried LTSP with home-made load balancing.
>
>     We set up two identical LTSP servers, _BOTH_ of them (that's the
>     trick)
>     with DHCP server. The only difference between them (besides IP, of
>     course) is that each DHCP server pointed to himself as TFTP
>     server, NFS
>     server and such.
>
>     This way, the most loaded server is slower to answer the DHCP petition
>     of a booting client, thus the less loaded server answers DHCP
>     first and
>     "gets the client".
>
>     The results we've obtained at Ejercicios Resueltos are that there
>     were
>     never more than a 20% difference in number of clients being served by
>     each LTSP twinserver.
>
>     Greetings
>
>     Noel Torres
>     er Envite
>
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>
>
> Interesting, we will be thankful if you may share more details about it.
>
> -- 
> With Best Wishes
> balwant
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>
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Well, there are no really details.

Just set up two identical servers, from DHCP and up to Desktop. 
Configure them with different IP, and configure each one as if being the 
only one.

Then, they will "compete" for the clients, and the most charged server 
will almost always lose the new clients in favor of the discharged one, 
as the competition is decided in the DHCPOFFER step.

After having that, the remaining problem is only to cpe with the users' 
home directories, for which there are plenty of solutions, starting from 
NFS to a third dedicated server.

Noel Torres
er Envite

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