On Wed, May 04, 2011 at 04:38:26PM -0400, Kaizaad Bilimorya wrote: > > re: http://lists.graemef.net/pipermail/lvs-users/2009-December/022765.html > > Just thought I would post an update to this since we saw the same symptoms > (including the frags from the tcpdump) and our solution might be helpful > to others. > > Turning off generic-receive-offload fixed the problem for us. > > # ethtool -k eth1 > ...snip > generic-receive-offload: on > > # ethtool -K eth1 gro off > ...snip > generic-receive-offload: off > > The network card on the director: > Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev > 01) > > OS and kernel: > CentOS release 5.5 (Final) > Linux 2.6.18-194.32.1.el5 #1 SMP Wed Jan 5 17:52:25 EST 2011 x86_64 x86_64 > x86_64 GNU/Linux
Hi, there is a problem with LVS+GRO, so turning it off is a good idea. The problem should be resolved in 2.6.39 (which should be released soon), and LVS+GRO should be able to co-exist. LVS+LRO is a similar problem which is yet to be resolved. _______________________________________________ Please read the documentation before posting - it's available at: http://www.linuxvirtualserver.org/ LinuxVirtualServer.org mailing list - [email protected] Send requests to [email protected] or go to http://lists.graemef.net/mailman/listinfo/lvs-users
