[Linux-HA] Giant Heartbeat Packets?
andrew at beekhof.net
Fri Mar 12 03:13:00 MST 2010
On Thu, Mar 11, 2010 at 9:18 PM, Robinson, Eric <eric.robinson at psmnv.com> wrote:
> I have four heartbeat 2-node clusters on the same VLAN. Three of them
> are configured to broadcast heartbeat information (they'll be changed to
> unicast soon). Two of the clusters are communicating with each other
> using relatively small 222-byte or 223-byte packets. But one of the
> clusters is broadcasting humongous 15394-byte packets. Any thoughts on
> why this would be?
Could be the cib doing a full refresh.
How big is your cib? Anything interesting from the cib in the logs? Version?
> (These giant packets are just cluster communication.
> Drbd replication is done over a dedicated back-to-back link.)
> So why is this one cluster sending massive packets?
> (Moving forward, we are switching to Pacemaker+Corosync, but the
> existing clusters won't be changed for quite some time.)
> Eric Robinson
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