understanding lvs

[Joseph Mack NA3T]

On Tue, 20 Mar 2007, webbezcom wrote:

> I have a web hosting business so if I use network address translation do I
> need a control panel licenses for all real servers or only the public VIP
> address?

I don't know what a "control panel license" is, but you 
don't need any licenses to run LVS.


> Everything can be balanced between real servers not just httpd?

the services that we know to work are in the HOWTO. In 
principle any single port service can be balanced by LVS.

> Are the linux directors actually physically servers?

they are not servers. They are routers with a slightly 
unusual set of rules. Clients do not connect to services on 
the director.

> If so what server
> requirements would I need for the directors?

read the performance section.

> What about securities, if one server gets hacked will the hacker have access
> to all servers?

quite likely. Read the security section.

> Can ultramonkey accommodate third layer topology? Having a central storage
> server?

Yes

Ultramonkey is a wrapper around LVS.

Joe

-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
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