NRPE peculiarity
Carroll, Jim P [Contractor]
jcarro10 at sprintspectrum.com
Mon Sep 30 16:56:18 CEST 2002
Definitely not on the Solaris/client side. And I don't believe that
portsentry is configured on the Nagios/server side.
Please understand these error msgs are quite sporadic, ie, I can't reproduce
them. Just for giggles, I ran the following script from the Nagios host:
while :
do
../libexec/check_nrpe itdmln15 -c check_disk_var -to 30
done
and let it run for 5 mins. I didn't see it hiccup once. This is a snippet
of the output:
DISK OK - [781664 kB (81%) free on /dev/vx/dsk/var]
DISK OK - [781680 kB (81%) free on /dev/vx/dsk/var]
DISK OK - [781664 kB (81%) free on /dev/vx/dsk/var]
DISK OK - [781664 kB (81%) free on /dev/vx/dsk/var]
and so on.
Thoughts?
jc
> -----Original Message-----
> From: Fredrik Wänglund [mailto:Fredrik.Wanglund at datavis.se]
> Sent: Monday, September 30, 2002 1:54 AM
> To: Carroll, Jim P [Contractor]; nagios-users
> Subject: RE: [Nagios-users] NRPE peculiarity
>
>
> Are you sure you are not running portsentry or similar
> programs that blocks you out on the port NRPE is using?
>
>
>
> /FredrikW
>
>
> -----Original Message-----
> From: Carroll, Jim P [Contractor] [mailto:jcarro10 at sprintspectrum.com]
> Sent: Fri 27-Sep-02 21:50
> To: nagios-users
> Cc:
> Subject: [Nagios-users] NRPE peculiarity
>
> I'm starting to roll out NRPE across our hosts (3 so far),
> and on one of our
> busier ones am getting messages like this one in /var/adm/messages:
>
> Sep 27 13:35:17 itdmln15 nrpe[20712]: [ID 421412
> daemon.error] Could not
> read request from client, bailing out...
>
> And on the Nagios side, this is the sort of message I'm getting from
> nagios.log (with the Perl-converted timestamp):
>
> [Fri Sep 27 13:35:34 2002] SERVICE ALERT: itdmln15;Total
> Users;UNKNOWN;SOFT;1;CHECK_NRPE: Received 0 bytes. Are we allowed to
> connect to the host?
>
> FWIW, the Nagios server is running Red Hat Linux 7.3 2.96-110
> on a Dell
> Optiplex GX1, and the client running NRPE is running Solaris8
> on an E6500.
> mii-tool on the Dell reports 100baseTx-FD, and I know that
> the E6500 is
> running at 100Mbps at full duplex.
>
> I know my Nagios host could probably benefit from a beefier
> box, but top
> reports that the system is doing quite well.
>
> Can anyone comment on this NRPE anomaly? Is this common, can
> I expect lots
> more of this sort of problem? Or do I need to tune
> something? (I can't
> imagine what, but still....)
>
> Suggestions welcomed.
>
> jc
>
>
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