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RE: Please confirm or debunk my suspicions (LVS DR)

To: "'LinuxVirtualServer.org users mailing list.'" <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: RE: Please confirm or debunk my suspicions (LVS DR)
From: "Danner, Russ" <DannerR@xxxxxxxx>
Date: Tue, 9 Aug 2005 16:24:58 -0400
Jacob,

You have the right idea.  The question is can the same load balancer pair
serve n clusters own unique ID address


 LVS Backup
  |
  |        ______ Site a apache inst 1 2 & 3 (ip address: x)
 LVS------|
          |______ Site b apache inst 1 2 & 3 (ip address: y)
          |
          |______ Site c apache inst 1 2 & 3 (ip address: z)

is this possible?
Would it be better to put a load balancing lvs pair infront of each cluster
(x,y, and z) would it perform poorly?

I understand LVS works well up to about 100 servers

Thanks,
-R

 
  
-----Original Message-----
From: Jacob Coby [mailto:jcoby@xxxxxxxxxxxxxxx] 
Sent: Tuesday, August 09, 2005 1:36 PM
To: LinuxVirtualServer.org users mailing list.
Subject: Re: Please confirm or debunk my suspicions (LVS DR)

Joseph Mack NA3T wrote:
> On Tue, 9 Aug 2005, Jacob Coby wrote:
> 
>> Yeah, pretty much.  However, one lvs director should be able to handle 
>> load balancing/fallover for both sites, if they have unique ip addrs.
> 
> 
> apache recognises site names. You don't need different IPs

right, if using name based virtual hosting.  he seemed to indicate that 
he needed to isolate websites by clients, which lvs can't do with named 
based virtual hosting, since that requires looking at the HTTP request.

the original email was a little light on details, so it's difficult to 
really know what he's trying to do.

sorry for the confusion.

-- 
-Jacob

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