Troubleshooting connections

Hi dears!

I have an UltraMonkey 3 streamlined load balancing system.  There are only
two servers in this setup.  The servers run as both directors and squid proxy
servers.  The LVS manages 1 virtual IP shared on both servers.

Few days ago I made an dist-upgrade to etch version on one of the machines.

Everything appeared to be working properly.

Today I noted that lots of clients couldn't connect to the servers.
And surf the web.

If I try to connect to the proxys by the real IPs, I get success.

But by the virtual IP I cannot connect.

looking at
#ipvsadm -L -nc |grep 172.16.224.116

I got this:

TCP 00:40  SYN_RECV    172.16.224.117:1722 172.16.8.77:3128   172.16.8.86:3128
TCP 00:40  SYN_RECV    172.16.224.117:1723 172.16.8.77:3128   172.16.8.86:3128
TCP 00:46  SYN_RECV    172.16.224.117:1733 172.16.8.77:3128   172.16.8.86:3128

What can I do to solve that?

actually when I get problems with LVS I get little lost to troubleshoot.

Can U tell me how do u troubleshoot your own LVSs ?


Thanx.


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