Re: service connect to itself

On Sat, Sep 10, 2005 at 01:42:27PM -0700, Rick Willmore wrote:
> I am unclear on what this common problem is and am hoping someone can
> explain it to me.  I configured my HA set up without the use of
> iptables but perhaps my configuration is so simple that I didnt run
> into this problem.  I only have 2 servers with ldirectord running on
> the one but the traffic is definately load balanced. ie.. they see
> each other (looks very similar to chris's).  I ask this only because
> my configuration CANNOT go down so I want to make sure I understand
> any issues out there.

The problem is that when a real-server tries to connect the the VIP,
if you use LVS-NAT, then it probably will not be able to make a
connection, and if you use LVS-DR, then it will always connect
to itself. This does not effect hosts that are not real-servers.

LVS-NAT is used in the "Load Balancing" topologies listed under
Standard. LVS-DR is used in the topologies listed under
Advanced.

http://www.ultramonkey.org/3/topologies/

-- 
Horms


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