[Linux-HA] More on string2msg_ll warning

[Alan Robertson]

Martin J. Evans wrote:
> Hi,
> 
> I'm still getting a:
> 
> heartbeat[23911]: 2005/09/26_15:05:49 WARN: string2msg_ll: node [linuxha2]
> failed authentication
> 
> line in my log files at startup (heartbeat 2.0.2, also 2.0.1).
> 
> Alan Robertson said:
> 
>>This is caused by packets with bad checksums on them.  The most common 
>>causes are:
>>        - another cluster on the same subnet, and either bcast,
>>                or duplicate mcast directives.
> I don't have another cluster
> 
>>        - Different authkeys on the two machines
> 
> Both are now:
> 
> auth 2
> 1 crc
> 2 sha1 5980ad3f70715cc5576c5cbd193b8579
> 
>>        - Packet corruption
> 
> could be - but this only happens when heartbeat is first started on the primary
> when the secondary is already up.


If you have a serial link, I have observed that this happens quite 
repeatably when the system starts up - having to do with garbage in the 
receive or transmit silos.

Do you have a serial link here?

-- 
     Alan Robertson <alanr at unix.sh>

"Openness is the foundation and preservative of friendship...  Let me 
claim from you at all times your undisguised opinions." - William 
Wilberforce