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Re: FTP protocol in DR configuratiojn.

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>, Malcolm.Turnbull@xxxxxxxxxxxx
Subject: Re: FTP protocol in DR configuratiojn.
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Fri, 21 Mar 2003 06:44:29 -0500
Malcolm Turnbull wrote:
>
> Assuming you have 2 FTP servers with shared storage (NFS or raid or
> whatever)
> 
> If you loadbalance both without persistence 

if you have LVS-DR with ftp and no persistence, 
it doesn't work at all (see the HOWTO). You don't get
the connection to the data port.

> wont the client prompt for a
>   password each time the server changes ?
> Is this the same if you are load balancing SQL (MySQL,PostGreSQL,Oracle
> etc..) ?
> Has anyone got experience of load balancing servers that have passwords
> in the protocol ?

I've tested ftp on LVS a fair bit. You get asked for a new login each
time you logout and connect again. The client on LVS sees the same
thing as when connecting to a single server

Joe

-- 
Joseph Mack PhD, Senior Systems Engineer, SAIC contractor 
to the National Environmental Supercomputer Center, 
ph# 919-541-0007, RTP, NC, USA. mailto:mack.joseph@xxxxxxx
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