[hobbit] Stupid sound question - "DNS Error"

[Henrik Stoerner]

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