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

[walter.pisani at erptech.it]

Can you post /etc/corosync/corosync.conf ?

Thanks
Walter

From: Beo Banks [mailto:beo.banks at googlemail.com]
Sent: giovedì 13 febbraio 2014 18:01
To: The Pacemaker cluster resource manager
Subject: Re: [Pacemaker] Multicast pitfalls? corosync [TOTEM ] Retransmit List:

hi thanks...for your help.

i have two node cluster
both node are running on seperate hosts.

the 2x hosts have 2 nic's ....eth0 is 172.XXX...whatever and eth1 is direct connection (crossover cable) between the hosts.

the issue must be my kvm host,or?

2014-02-13 17:40 GMT+01:00 <walter.pisani at erptech.it<mailto:walter.pisani at erptech.it>>:
Hi,

Check if your switch support multicat, however you can use unicast.

Bye
Walter

From: Beo Banks [mailto:beo.banks at googlemail.com<mailto:beo.banks at googlemail.com>]
Sent: giovedì 13 febbraio 2014 17:22
To: pacemaker at oss.clusterlabs.org<mailto:pacemaker at 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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