[Xymon] df hanging will cause xymon-client to hang.

Mark Felder feld at feld.me
Thu Jun 18 15:16:16 CEST 2015



On Thu, Jun 18, 2015, at 08:11, Cédric BRINER wrote:
> Hello,
> 
> I'm running a xymon-client on a Debian Jessie.
> 
> OS: Debian
> OS-Release: 8 (Jessie)
> xymon-client version : 4.3.17
> 
> The error happend due to a nfs ressource not responding. I suppose that
> as xymon launch "df" to get information and as the nfs was hanging, the
> xymon-client is no able to detect that the df hangs and it does not send
> any data to the server. Worst, the xymon-client is not verbose at all,
> it does not tell this test (df) takes too long to accomplish.
> 
> Many thanks for xymon.
> 

This will happen on every OS with an NFS mount that is not responding.
There's really not a workaround. You should know when that's happening
because it should go purple in my experience.

There are NFS mount options on most platforms that will help mitigate
this type of issue.



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