[Xymon] Minor bug found in xymonclient-linux.sh

[John Horne]

On Mon, 2021-07-26 at 18:26 +0100, Adam Thorn wrote:
> On 24/07/2021 15:37, Shawn Heisey wrote:
> > I have been frustrated by the inclusion of tmpfs filesystems in xymon's
> > client-side disk test.  So I decided to see if I could fix the problem.
> >
> > Running version 4.3.30.
> >
> > In xymonclient-linux.sh, when defining the list of filesystem types to
> > exclude, one of the commands it pipes through is this:
> >
> > egrep -v 'tmpfs|rootfs|squashfs'
> >
> > This grep removes tmpfs from the list of filesystems to exclude.
>
> I wouldn't call this a bug; there are use cases for wanting to monitor
> tmpfs filesystems. See e.g.
>
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=487157
>
> which I realise is quite old but might well still be relevant, and I
> could imagine other more up-to-date situations. /run is tmpfs, and a
> full /run would likely cause problems for example.
>
> Instead, I think you might look at your analysis.cfg on your xymon
> server. If you want to ignore the reported data for /run on all of your
> systems, you can add to the DEFAULT section of your analysis.cfg:
>
> DEFAULT
>    # whatever DEFAULT rules are already there
>    DISK /run IGNORE
>
I would add that I also ignore the inode check for such filesystems (it avoids
them appearing in the inode test graphs):

  INODE /run IGNORE



John.

--
John Horne | Senior Operations Analyst | Technology and Information Services
University of Plymouth | Drake Circus | Plymouth | Devon | PL4 8AA | UK
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