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

[Galen Johnson]

You might consider putting a process check for df on the affected servers.  They actually will build up so you could alert on that.

=G=

________________________________________
From: Xymon <xymon-bounces at xymon.com> on behalf of Cédric BRINER <Cedric.BRINER at UniGE.ch>
Sent: Friday, June 19, 2015 4:24 AM
To: Mark Felder; xymon at xymon.com
Subject: Re: [Xymon] df hanging will cause xymon-client to hang.

>> 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.

What I found very disturbing is that there is no logs at all saying that
df takes long to accomplish. Instead of finding a way to solve this
xymon-client hanging out, could we somehow let xymon-client write a
message on the log, saying that df did not return since a long time ?

cED
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