[Xymon] xymon-client: Exclude directory from being checked by client.

[Norbert Kriegenburg]

As these df calls are located in the xymonclient-linux.sh (for your linux
systems) on the client side, you have to add your FS to the EXCLUDES
variable in this script, like
EXCLUDES="$EXCLUDES -x additional_fs_type_to_ignore"

But these excludes only work for FS types, not for mount points.
Of course you can throw away all the messages (simply add 2>/dev/null after
the df calls), but if there is a stale mount or other reason that causes df
to hang, this will not help.

Norbert





From:	"Jean-Pierre Pitout [ MTN South Africa ]"
            <Jean-Pierre.Pitout at mtn.com>
To:	Jeremy Ruffer <jeremy.ruffer at gmail.com>
Cc:	xymon <xymon at xymon.com>
Date:	14/05/2018 14:52
Subject:	Re: [Xymon] xymon-client: Exclude directory from being checked
            by client.
Sent by:	"Xymon" <xymon-bounces at xymon.com>



Hi Jeremy, thank you for your response!

We're running RHEL and the xymon-client is using df for disk checks.

Recently Docker was installed and configured to use specific mount point
for devicemapper (/app2/docker/devicemapper). Not sure if this is standard
as it was configured by the developers.

Some issue is causing the client to hang when checking disk utilisation on
this mount point. The issue could be with df itself  but I thought
excluding it from the check would be the simplest option.

Regards,
         ________________________________________________

          Jean-Pierre Pitout [ MTN South Africa ]
          Senior Linux Engineer (RHCA)
          IS Client Server Line-Of-Business Linux
          ISClientServerLine-of-Business_Linux.ZA at mtn.com



From: Jeremy Ruffer <jeremy.ruffer at gmail.com>
Sent: 14 May 2018 14:34
To: Jean-Pierre Pitout [ MTN South Africa ]
Cc: xymon
Subject: Re: [Xymon] xymon-client: Exclude directory from being checked by
client.

What is the platform and why does checking it cause a problem?

If you are Linux or Unix it may help to add a switch to the df command.

Regards

Jeremt

On Mon, 14 May 2018 13:27 Jean-Pierre Pitout [ MTN South Africa ], <
Jean-Pierre.Pitout at mtn.com> wrote:
  Hi guys,

  Does anyone know how I can exclude a directory from being checked by
  xymon-client for disk checks?

  This has to be done client side because it appears to be breaking the
  client itself. Configuring the server to ignore the check won't prevent
  the client from trying to run checks on this directory.

  Regards,
  JP Pitout

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