Re: [hobbit] Stupid sound question - "DNS Error"

["Gary Baluha" <gumby3203 (at) gmail.com>]

Actually, it seems I just didn't allow enough time for the caching DNS
server to actually cache...
That does seem to have fixed the "DNS Error" problem.  But I will keep your
suggestion in mind in case it comes back.

Thanks for the suggestions everyone.

On 9/5/07, Henrik Stoerner <henrik (at) hswn.dk> wrote:
>
> Try increasing the timeout setting on the network tests - add a
> "--timeout=30" option to the bbtest-net command in hobbitlaunch.cfg .
>
> Regards,
> Henrik
>
> On Wed, Sep 05, 2007 at 01:15:50PM -0400, Gary Baluha wrote:
> > It seems adding a local caching DNS server did no fix this problem.  I'm
> > truely at a loss now, because nothing I test manually seems to indicate
> a
> > problem.  Also, when the hobbit alerts go red due to "DNS Error", as
> soon as
> > I go to check, it has cleared up already.
> >
> > On 9/5/07, Gary Baluha <gumby3203 (at) gmail.com> wrote:
> > >
> > > On 9/5/07, Henrik Stoerner <henrik (at) hswn.dk> wrote:
> > > >
> > > > On Wed, Sep 05, 2007 at 09:43:32AM -0400, Gary Baluha wrote:
> > > > > It sounds like an obvious answer, but what does the http/https
> > > > monitoring
> > > > > error "DNS Error" mean, exactly?
> > > >
> > > > It means Hobbit could not lookup the hostname in DNS.
> > >
> > >
> > > Okay, I thought it was pretty self explanatory, but a quick glance at
> the
> > > code wasn't obvious to me.
> > >
> > > > Specifically, I have several https checks defined in Hobbit, and a
> good
> > > > > number of them get the "DNS Error" message multiple times a day;
> > > > roughly on
> > > > > the order of every 1-3 hours.  I have manually verified that DNS
> is
> > > > working
> > > > > for these hosts.  It might help me troubleshoot this if I know
> exactly
> > > > how
> > > > > Hobbit comes to this determination, and if anything else other
> than
> > > > DNS
> > > > > could cause it to appear.
> > > >
> > > > A local caching DNS server is usually a good idea. Hobbit has been
> known
> > > >
> > > > to knock out DNS servers, because it sends a lot of requests very
> > > > quickly.
> > >
> > >
> > > Well, two suggestions to have a local caching DNS must mean it's a
> pretty
> > > good idea.  I set this up, and will see if that fixes the problem.
> > >
> > >
> > >
>
> --
> Henrik Storner
>
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