[ClusterLabs] wireshark cannot recognize corosync packets

[Jan Friesse]

> Yesterday I found corosync took almost one hour to form a cluster(a
> failed node came back online).

This for sure shouldn't happen (at least with default timeout settings).

>
> So I captured some corosync packets, and opened the pcap file in wireshark.
>
> But wireshark only displayed raw udp, no totem.
>
> Wireshark version is 2.2.5. I'm sure it supports corosync totem.
>
> corosync is 2.4.0.

Wireshark has corosync dissector, but only for version 1.x. 2.x is not 
supported yet.

>
> And if corosync takes too long to form a cluster, how to diagnose it?
>
> I read the logs, but could not figure it out.

Logs, specially when debug is enabled, has usually enough info. Can 
paste your config + logs?

Regards,
   Honza

>
> Thanks.
>
>
>
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