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

[Beo Banks]

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.banks at 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 <jfriesse at 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
>>>
>>>
>>>
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>>
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>
>
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