[Pacemaker] Multicast pitfalls? corosync [TOTEM ] Retransmit List:

Jan Friesse jfriesse at redhat.com
Fri Feb 14 03:06:09 EST 2014


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
>
>
>
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