Hi, Check if your switch support multicat, however you can use unicast.
Bye Walter From: Beo Banks [mailto:beo.ba...@googlemail.com] Sent: giovedì 13 febbraio 2014 17:22 To: pacemaker@oss.clusterlabs.org Subject: [Pacemaker] Multicast pitfalls? corosync [TOTEM ] Retransmit List: 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
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