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Message-ID: <375AC514.8527CE1B@xxxxxxxxxxxxxx>
Date: Sun, 06 Jun 1999 20:59:32 +0200
From: Andrés Marchante Tirado <amt@xxxxxxxxxxxxxx>
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To: Matt Kenigson <matt@xxxxxxxxxxxxxxx>
Subject: Re: Newbie question
References: <4.1.19990606123617.03d08350@xxxxxxxxxxxxxxxxxxxx>
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Matt Kenigson wrote:
> Hi guys,
>
> Here's a newbie question for you:
>
> I understand the concepts behind load balancing for web servers, yet I can
> find very little information about how information is replicated between
> these servers. Here's a scenario: Let's say we have a small farm of five
> web servers, all serving the same 200 virtual domains. The load balancing
> is being taken care of by your method of preference. Now let's say that a
> client, who has FTP access to his or her file area, wishes to make a change
> to a site. The client initiates an FTP session, which connects to one of
> the five servers, makes some changes, and closes the session. Now one of
> the five servers has different content than the others. How are these
> changes propagated to the other four servers? Are there a lot of different
> mechanisms that work independently of the load balancing and
> high-availability (HA) solutions you and others provide, or is data
> replication an integral part of your solution(s)?
>
> If you can provide links to sources of information on this topic, I would
> be most appreciative!
>
An easy form I can imagine :
http docs in a NFS exported filesystem shared by every Web server. It's
not too much efficient
but it's easy.
>
> Thanks,
>
> Matt Kenigson
--
--------------------------------------------
Andrés Marchante Tirado
Administrador del Sistema
e-mail:
amt@xxxxxxxxxxxxxx
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