[hobbit] DNS reboot causes purples

Bill Perez billieperez at gmail.com
Thu Jan 12 23:42:36 CET 2006

Thanks for the information Henrik, I really appreciate it.

On 1/12/06, Henrik Stoerner <henrik at hswn.dk> wrote:
> On Thu, Jan 12, 2006 at 08:18:55AM -0500, Bill Perez wrote:
> > Which tests are going purple ? The network tests (conn, smtp, http etc.)
> > or the client-side tests (cpu, disk, memory ...) ?
> >
> > Henrik - It is the network test (conn) that went purple for several
> > switches, router, windows servers, a unix server - there was really no
> > consistency in what went purple.  I was thinking of using the dns=ip
> switch
> > for bbtest-net to resolve this - do you think that is a viable solution
> or
> > would I be better off looking into setting up a caching DNS server on
> the
> > Hobbit server?
> Since you wrote that you are monitoring some 500 hosts, I would really
> suggest that you setup a caching DNS server on your Hobbit server.
> Last I used Red Hat (Fedora), there was a "caching-dns" RPM included
> with the necessary config files to set this up. All I needed to do was
> to add a "forwarders" entry to named.conf, so that it would query our
> local DNS server (the one from resolv.conf) instead of the public root
> DNS servers; and change resolv.conf to point at
> The --dns=ip switch will work, but I don't really like it because you
> will inevitable change the IP of one of your hosts, and you're bound to
> forget changing the bb-hosts file as well as the DNS entries. That
> causes some confusion and a frustrated admin when you find out why the
> ping-test doesn't work.
> Regards,
> Henrik
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> hobbit-unsubscribe at hswn.dk
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