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[lvs-users] real servers can't be removed and re-added to farm

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: [lvs-users] real servers can't be removed and re-added to farm
Cc: Network <network@xxxxxxxxxxx>
From: Alan Morais <alan.morais@xxxxxxxxxxx>
Date: Thu, 1 Mar 2012 18:25:58 -0300
Hello everyone!

I'm trying to implement a LVS system on my company, but I'm having some
issues. When i reboot one of back-end servers, everything goes fine, but
when he's come up again, the client connections cannot be completed (
appears connecting on browser )


i use LVS-DR on debian ( package version )

root@server:/var/log# ipvsadm
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
TCP  173.193.xxx.xxx:http wlc persistent 300
  -> 173.193.xx.xx1-static.rever   Route     1        27         319
  -> 173.193.xx.xx2-static.rever   Route     1        29         334
  -> 173.193.xx.xx4-static.rever   Route     1        20         220
TCP  173.193.xxx.xxx:https wlc persistent 300
  -> 173.193.xxx.xx1-static.rever   Route     0       0          0
  -> 173.193.xxx.xx2-static.rever   Route     1       3          4
  -> 173.193.xxx.xx4-static.rever   Route     2       3          1

I need to use persistence because its a ssl website, and i think that
persistence is causing this issue, because when server 1 came back, LVS
will have 2 routes to same ip.

any ideas?

-- 
Alan Morais
Vex/Oi - Network Manager
alan.morais at vexcorp.com
http://www.vexcorp.com
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