you have to disable all offloading features (rx, tx, tso...) Mit freundlichen Grüßen
Stefan Bauer -- Cubewerk GmbH Herzog-Otto-Straße 32 83308 Trostberg 08621 - 99 60 237 HRB 22195 AG Traunstein GF Stefan Bauer Am 14.02.2014 um 09:40 schrieb "Beo Banks" <beo.ba...@googlemail.com <mailto:beo.ba...@googlemail.com> >: ethtool -K eth0 tx off ethtool -K eth1 tx off same result...retransmit issue 2014-02-14 9:31 GMT+01:00 Beo Banks <beo.ba...@googlemail.com <mailto:beo.ba...@googlemail.com> >: i have also try "No more delay when you disable multicast snooping on the host:" echo 0 > /sys/devices/virtual/net/br1/bridge/multicast_router echo 0 > /sys/devices/virtual/net/br1/bridge/multicast_snooping 2014-02-14 9:28 GMT+01:00 Beo Banks <beo.ba...@googlemail.com <mailto:beo.ba...@googlemail.com> >: @jan and stefan must i set it for both bridges eth1 (br1) eth0 (br0) on the host or guest ? 2014-02-14 9:06 GMT+01:00 Jan Friesse <jfrie...@redhat.com <mailto:jfrie...@redhat.com> >: Beo, do you experiencing cluster split? If answer is no, then you don't need to do anything. Maybe network buffer is just filled. But, if answer is yes, try reduce mtu size (netmtu in configuration) to value like 1000. Regards, Honza Beo Banks napsal(a): Hi, i have a fresh 2 node cluster (kvm host1 -> guest = nodeA | kvm host2 -> guest = NodeB) and it seems to work but from time to time i have a lot of errors like Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 196 198 184 185 186 187 188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 197 199 Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 197 199 184 185 186 187 188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 196 198 Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 196 198 184 185 186 187 188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 197 199 Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 197 199 184 185 186 187 188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 196 198 Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 196 198 184 185 186 187 188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 197 199 Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 197 199 184 185 186 187 188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 196 198 i used the newest rhel 6.5 version. i have also already try solve the issue with echo 1 > /sys/class/net/virbr0/bridge/multicast_querier (host system) but no chance... i have disable iptables,selinux..same issue how can solve it? thanks beo _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org <mailto:Pacemaker@oss.clusterlabs.org> http://oss.clusterlabs.org/mailman/listinfo/pacemaker <http://oss.clusterlabs.org/mailman/listinfo/pacemaker> Project Home: http://www.clusterlabs.org <http://www.clusterlabs.org> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf <http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf> Bugs: http://bugs.clusterlabs.org <http://bugs.clusterlabs.org> _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org <mailto:Pacemaker@oss.clusterlabs.org> http://oss.clusterlabs.org/mailman/listinfo/pacemaker <http://oss.clusterlabs.org/mailman/listinfo/pacemaker> Project Home: http://www.clusterlabs.org <http://www.clusterlabs.org> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf <http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf> Bugs: http://bugs.clusterlabs.org <http://bugs.clusterlabs.org> _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org <mailto:Pacemaker@oss.clusterlabs.org> http://oss.clusterlabs.org/mailman/listinfo/pacemaker <http://oss.clusterlabs.org/mailman/listinfo/pacemaker> Project Home: http://www.clusterlabs.org <http://www.clusterlabs.org> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf <http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf> Bugs: http://bugs.clusterlabs.org <http://bugs.clusterlabs.org>
_______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org