[Xymon] Occasional RRD error message

[Chris.Morris at rwe.com]

Not a problem just a question really. 

It has happened 6 times since 8th October at different times during the
day.

Xymon 127.0.0.1 'config hosts.cfg' produces expected results. System
doesn't seem overly busy at the times this occurs.

Thanks.

-----Original Message-----
From: Jeremy Laidman [mailto:jlaidman at rebel-it.com.au] 
Sent: 15 November 2011 23:11
To: Morris, Chris (SS-IS)
Cc: xymon at xymon.com
Subject: Re: [Xymon] Occasional RRD error message

On Tue, Nov 15, 2011 at 7:55 PM,  <Chris.Morris at rwe.com> wrote:
> Nothing in any other logs to assist.

First of all, I don't believe this is likely to cause faults.  As I
understand it, if the config file can't be retrieved from xymond, it
will be fetched directly (from the filesystem) instead.

How often are you seeing the message?

What do you get if you run this:
  xymon 127.0.0.1 'config hosts.cfg'

You should get xymond's idea of the hosts.cfg file.  I'm wondering if
xymond is working hard at times, and the timeout is a tad too short in
such cases.  Perhaps check your CPU usage at the times you see failures
(eg using sar).

You could try enabling "--debug" mode in tasks.cfg on the xymond_channel
entry that runs xymond_rrd, and/or on the xymond_rrd worker module, and
see if anything interesting comes out.

Cheers
Jeremy

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