[Xymon] iowait monitoring

[deepak deore]

Thanks Olivier,
I will try it out.

On Tue, Aug 16, 2016 at 11:13 AM, Olivier Audry <olivier at minas.fr> wrote:

> Hello
>
> You can setup threshold based on rrd. Look into the doc.
>
>
>
> DS - RRD based status override
>
> DS column filename:dataset rules COLOR=colorname TEXT=explanation
>
> "column" is the statuscolumn that will be modified. "filename" is the name
> of the RRD file holding the data you use for comparison. "dataset" is the
> name of the dataset in the RRD file - the "rrdtool info" command is useful
> when determining these. "rules" determine when to apply the override. You
> can use ">", ">=", "<" or "<=" to compare the current measurement value
> against one or more thresholds. "explanation" is a text that will be shown
> to explain the override - you can use some placeholders in the text: "&N"
> is replaced with the name of the dataset, "&V" is replaced with the current
> value, "&L" is replaced by the low threshold, "&U" is replaced with the
> upper threshold.
>
> NOTE: This rule uses the raw data value from a client to examine the
> rules. So this type of test is only really suitable for datasets that are
> of the "GAUGE" type. It cannot be used meaningfully for datasets that use
> "COUNTER" or "DERIVE" - e.g. the datasets that are used to capture network
> packet traffic - because the data stored in the RRD for COUNTER-based
> datasets undergo a transformation (calculation) when going into the RRD.
> Xymon does not have direct access to the calculated data.
>
> Example: Flag "conn" status a yellow if responsetime exceeds 100 msec.
>        DS conn tcp.conn.rrd:sec >0.1 COLOR=yellow TEXT="Response time &V
> exceeds &U seconds"
>
>
> oau
>
>
> -------- Message d'origine --------
> De : deepak deore <deepakdeore2004 at gmail.com>
> Date : 16/08/2016 01:57 (GMT+01:00)
> À : xymon at xymon.com
> Objet : [Xymon] iowait monitoring
>
> I want to generate alert if iowait increases beyond certain
> threshold. analysis.cfg doesn't have monitoring iowait options in UP, LOAD
> and CLOCK rules.
>
> I have CPU utilization graph as below in hosts.cfg options which shows
> iowait
>
> x.x.x.x  server1.example.com  # noconn nofiles nobbd conn
> TRENDS:*,vmstat:vmstat1|vmstat3|vmstat4|vmstat5
>
> Could anyone guide me here?
>
>
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