Intermittent issues with check_nt and/or NSClient

[Ed Anderson]

I'm hoping that someone has run into this before.  I'm having
intermittent issues with check_nt that produces any of the following
error messages:

   Could not fetch information from server

or

   Connection reset by peer

or

   No data was received from host

 

This only happens with 2 remote servers (so far), both of which are
Windows 2k3 EE / SQL 2k5 database servers.  The symptoms last for about
13-15 minutes, enough time for the notifications to be sent out, then
snaps back to OK statuses.   I'm using NSClient on all of my Windows
server, and the check_nt plugin to watch things such as disk
utilization, services, CPU, etc.  Here are some samples of the check_nt
commands I'm using:

$USER1$/check_nt -H $HOSTADDRESS$ -p 1248 -v SERVICESTATE -l $ARG1 

$USER1$/check_nt -H $HOSTADDRESS$ -p 1248 -v CPULOAD -l $ARG1$ 

$USER1$/check_nt -H $HOSTADDRESS$ -p 1248 -v USEDDISKSPACE -l $ARG1$ -w
$ARG2$ -c $ARG3$ 

 

Something else to note...these Nagios service checks have been in place
for quite some time, and it's just recently started acting up.  I'd say
within the last couple weeks.

 

Any ideas?  Is this as simple as increasing the timeout for check_nt, or
does this mean I have some other underlying issues I need to address?
I'm thinking 10 seconds should be plenty of time to run the service
checks as the servers are all within the same location.

 

Edward Anderson 

Information Services| BI Administrator/Report Developer 

ed.anderson at nwea.org <mailto:ed.anderson at nwea.org>  | cell: 971.221.7523
| office: 503.624.1951 Ext. 4121

NWEA

Partnering to help all kids learn
5885 SW Meadows Road, Suite 200
Lake Oswego, OR 97035-3256
Fax: 503.639.7873

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