[Xymon] Spurious purple messages

Vernon Everett everett.vernon at gmail.com
Tue Sep 8 11:37:49 CEST 2015


That might be a permissions thing.



On 8 September 2015 at 19:15, Colin Coe <colin.coe at gmail.com> wrote:

> Hi Vernon
>
> Thanks for the really good info.  The message serial numbers are
> different every day but the messages are sent at the same time (13:45)
> daily for all tests on all hosts.
>
> The network is not congested nor is the SAN under any kind of pressure.
>
> Interestingly, trying to do the snapshot report gave me "Cannot create
> output directory".
>
> Thanks again
>
> CC
>
> On Tue, Sep 8, 2015 at 3:56 PM, Vernon Everett <everett.vernon at gmail.com>
> wrote:
> > Hi Colin
> >
> > What do the client hosts share in common?
> > I have seen in the past, a client was overloading their storage system,
> and
> > were overflowing buffers and exceeding the storage array's ability to
> > process IO requests. Of course this caused a general disk latency, which
> > slowed things down to the point of a purple flood.
> > Was no simple solution to that one, except buy more storage, which they
> did.
> >
> > Also, check the "serial numbers" on the messages. Is this a repeat of an
> > older message - in which case Xymon might have something fishy going on,
> or
> > are they new messages every day, as in it really thinks there is a
> problem.
> >
> > Xymon only updates pages every 2 and 5 minutes, depending on the page you
> > are looking at. Meaning you could wait up to 7 minutes for the real
> status
> > to appear.
> > A purple takes 30 minutes to trigger.
> > With some unfortunate, and highly improbable timing on whatever is
> > triggering these events, it's possible you might not see the purple.
> > Have you pulled up a "snapshot report" for the exact time of the
> messages?
> >
> > Something else unlikely, but possible, is the network.
> > The conn test used ping, which is UDP
> > The Xymon agent sends using TCP.
> > Is there anything interesting happening on the network at the time?
> >
> > Regards
> > Vernon
> >
> >
> >
> > On 8 September 2015 at 11:39, Colin Coe <colin.coe at gmail.com> wrote:
> >>
> >> Hi all
> >>
> >> Since Friday September 4, I've started receiving "stopped reporting
> >> (PURPLE)" messages for all tests on all hosts from one of our Xymon
> >> servers.
> >>
> >> The host status, as shown in the Main View, is green for all hosts and
> >> tests.  No purple at all.
> >>
> >> The "stopped reporting (PURPLE)" messages are being sent at the same
> >> time every day, 1:45PM.
> >>
> >> Any advise on how I should track this down?
> >>
> >> Thanks
> >> _______________________________________________
> >> Xymon mailing list
> >> Xymon at xymon.com
> >> http://lists.xymon.com/mailman/listinfo/xymon
> >
> >
> >
> >
> > --
> > "Accept the challenges so that you can feel the exhilaration of victory"
> > - General George Patton
>



-- 
"Accept the challenges so that you can feel the exhilaration of victory"
- General George Patton
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