[Xymon] Graph lines for disk and memory showing gaps

[Jeremy Laidman]

Can you show an example/screencap of a graph with the gaps? Do all servers
and/or disks have gaps at the same time? How big are the gaps - one or two
5-minute sample size, or much larger?

The Windows disk usage message is parsed by different code to that which
parses the UNIX and Linux "df" output. That might have something to do with
it.

Is 4.3.25 in use on all Xymon servers?

Check the Xymon logs for error messages. Perhaps the RRD parser is crashing.

It's possible that the "df" output is sometimes not parseable by the RRD
parser, and so the data is ignored. Can you show the [df] section from the
client data during one of the gaps, and at another time when there are no
gaps?

J


On 9 August 2017 at 22:13, Stephen Barrie <sbarrie at brightsolid.com> wrote:

> Hi
>
>
>
> We have a few Xymon servers running on Ubuntu 14.04 and 16.04 that show
> gaps in the graphs for disk and memory metrics. This specifically relates
> to Linux and Unix clients reporting to these servers. The graph lines for
> Windows clients look ok.
>
>
>
> If the same Unix and Linux clients are pointed to another server running
> Red Hat we do not see the same gaps in the graphs. Upgrading the client
> version does not resolve this. So it seems there is a problem with graph
> data being created on the Xymon server on Ubuntu. We are using the package
> version 4.3.25. Is there a known issue with this?
>
>
>
> Regards
>
>
>
> Stephen Barrie
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