[Linux-cluster] kernel noise, "Neighbour table overflow." ?

[Nick Burrett]

aberoham at gmail.com wrote:
> 
> I'm running a test three-node CS/GFS cluster. At random intervals I get 
> the following kernel messages streaming out to /dev/console on all three 
> nodes.
> 
> ---
> Neighbour table overflow.
> printk: 166 messages suppressed.
> Neighbour table overflow.
> printk: 1 messages suppressed.

It looks like your ARP table is overflowing.  Try setting the 
gc_thresh[123] values in /proc/sys/net/ipv4/neigh/

See the manpage arp(7) for further details.

Regards,


Nick.