UPS check SNMP not alerting
Marc Powell
marc at ena.com
Tue Sep 16 15:03:45 CEST 2008
On Sep 16, 2008, at 3:33 AM, Richard Savage wrote:
> Hi
>
> I have a slight issue in that the check that i am using to check the
> UPS battery via SNMP is not alerting correctly. Im running Nagios 3
> with Nagios plug ins and NRPE. This particular check is being run
> over
> SNMP using the MIB for percentage of battery remaining. As can be
> seen
> below the Nagios front end is reporting OK even though the battery
> is at
> 89%. I have set the critical alert to be at 100%.
Do you?
> Battery time remaining OK 09-16-2008 09:21:18 18d 17h 14m
> 35s 18d 17h 14m 35s 1/4 Battery Remaining OK -
> 89 %
>
> This is the command being used to get the percentage of battery
> remaining:
>
> define command {
> command_name check_ups_minutes
> command_line $USER1$/check_snmp -H $HOSTADDRESS$ -C local -o
> SNMPv2-SMI::mib-2.33.1.2.4.0 -c 100 -l 'Battery Remaining' -u '%'
> }
>
> Surely this would mean that if the value dropped below 100% it would
> alert? Why is this not happening??
An incorrect assumption. check_snmp --help (*emphasis mine*) --
-c, --critical=*INTEGER_RANGE(s)*
Range(s) which will *not* result in a CRITICAL status
...
- Bare integers are interpreted as *upper limits*.
So you've indicated that anything *up to* 100 is not a critical
status. If you want anything from 0-99 to be critical, you'll want to
use this section --
- If specified in the order 'max:min' a non-OK state will be returned
if the
result is within the (inclusive) range.
$USER1$/check_snmp -H ... -c 99:0 ... should achieve that.
--
Marc
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