[lvs-users] LVS Centos all in Vmware

Michael von Guggenberg michael.vonguggenberg at sel.bz.it
Thu Aug 30 09:16:40 BST 2007

Ok tried the mentioned solutions, disabeld tx rx chechsums with ethtool, tried to echo 0 > /proc/sys/net/ipv4/tcp_sack on the involved servers and moved the RS to a diffrent vmware host, symptom remains the same. 
Now i have noticed that while one apache server is shutdown i get the ip_vs_send_async error on every second hit. 


Michael Guggenberg

-----Ursprüngliche Nachricht-----
Von: lvs-users-bounces at linuxvirtualserver.org [mailto:lvs-users-bounces at linuxvirtualserver.org] Im Auftrag von Joseph Mack NA3T
Gesendet: Mittwoch, 29. August 2007 18:22
An: LinuxVirtualServer.org users mailing list.
Betreff: Re: [lvs-users] LVS Centos all in Vmware

On Wed, 29 Aug 2007, Michael von Guggenberg wrote:

> I got all setup following this guide --> 
> http://www.jedi.com/obiwan/technology/ultramonkey-rhel4.html
> Im running 2 node Heartbeat LVS-DR on Centos 4.5 serving 2 separate 
> Realservers running apache all in vmware. My Probem is that the sync 
> daemons wont play together nicely, not all connections are syncd, and 
> the kernel throws me a IPVS: ip_vs_send_async error.

there was a posting 8 Aug where Matthias Saou was running a 
virtualised LVS in Xen with similar problems. You might find 
a similar solution

Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!

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