* Lee Verberne <[email protected]> [2012-07-19 23:46]:
> A power supply failed in my 2-node OpenBSD 5.1 unicast CARP cluster
> recently.  After the failure I noticed that the carp demote counter was
> being increased by output errors:
> 
> carp: carp0 demoted group carp by 1 to 1 (> snderrors)
> 
> I tracked this back to the surviving node being unable to arp for the
> ethernet address of its carppeer.  At least, adding static permanent arp
> entries stopped the Oerrs on carp0.
> 
> I'm planning on adding static arp entries as a best-practice now any
> time I use unicast CARP.  I didn't see any documentation or list traffic
> on this topic, though, so I thought I'd ask what others do.  Am I
> missing something or is this ill-advised?

hmm, interesting one.

not too ill-advised (the common problem with static arp entries
remain, foremost, they are static, thus changes require extra steps).

-- 
Henning Brauer, [email protected], [email protected]
BS Web Services, http://bsws.de, Full-Service ISP
Secure Hosting, Mail and DNS Services. Dedicated Servers, Root to Fully Managed
Henning Brauer Consulting, http://henningbrauer.com/

Reply via email to