Re: [lvs-users] LVS Centos all in Vmware

To: " users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] LVS Centos all in Vmware
From: Graeme Fowler <graeme@xxxxxxxxxxx>
Date: Thu, 30 Aug 2007 09:21:45 +0100
On Thu, 2007-08-30 at 10:16 +0200, Michael von Guggenberg wrote:
> 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. 

Are your guests running with any specific "clock=" bootloader options?
It's quite plausible that the sync traffic is getting mangled by the
ability of vmware guests to slip time back and forth.


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