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Re: Newbie Questions

To: Kevin Goddard - System Admin <systemadmin@xxxxxxxxxxxxx>
Subject: Re: Newbie Questions
Cc: "lvs-users@xxxxxxxxxxxxxxxxxxxxxx" <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Thu, 04 May 2000 09:29:19 -0400
Kevin Goddard - System Admin wrote:
> 
> Unlike the subject suggests, I am not a complete Newbie, actually far from 
> it.  What I need, however, is basic information for LVS.  Here are my 
> questions, if anyone can help or point me to the answers
> I would appreciate it.
> 1.  How many servers will one LVS Director support?  I thought I read 
> something like 8 to 1?

we haven't found the limit yet (no-one has enough machines). The load on a VS-DR
director is light - it's really only forwarding.

> 2.  What is a good hardware configuration for the LVS Director?  We are going 
> to start off with a small web farm to see how it works out, say one LVS 
> Director and three webservers.

I'm running 6 realservers with a 75MHz director in a test setup. Load average is
very light (<0.2) on the director, while the realservers are
running at loadaverage of 5-6

> 3.  Do I need multiple ethernet cards?

you can run with 1NIC on each machine. see HOWTO

> 4.  Does LVS install okay on a clean install of Red Hat 6.2?  If not what is 
> a good version of Red Hat to use?

don't know

> 5.  What are the install steps, I tried to follow through in the HOW TO but 
> it seemed kind of chopy (though I may need to just try it once to get a feel 
> for it).

I agree with the description of the current HOWTO :-) It was better than the one
before and it will get better in the next iteration. 
Next alternative is the LVS webpage.

> 7.  Do I need to install lvs-gui before or after LVS?  Does it install LVS as 
> well? Again I am getting lost in some of the documentation.

lvs-gui configures the installed code.

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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