Re: Mysterious packet drops in a IPVS-DR setup

[Roberto Nibali <ratz@xxxxxxxxxxxx>]

> we have a problem with dropped tcp connection requests. 
> The setup looks like this, using a classical LAMP but with an ipvs direct 
> routing based loadbalancer for the mysql replication cluster:
>
>               [ipvs database loadbalancer]
>                           |
>                           |
>                           |
> [=================switched network==================]
>    |       |           |        |      |          |
>    |       |           |        |      |          |
>    |       |           |        |      |          |
> [web 1] [web 2] ... [web n]  [db 1] [db 2] ... [db n]
Are the web servers, the DB server and the LB in different collision 
domains? How is the complete connection flow from client over 
presentation layer to application to backend?
Regards,
Roberto Nibali, ratz
--
echo 
'[q]sa[ln0=aln256%Pln256/snlbx]sb3135071790101768542287578439snlbxq' | dc