Group,
I am trying to wrap my head around the best way to manage things like ping
RTA/packet loss, partition free space warn/critical, cpu/memory use, etc. I
can set these up using custom object variables for a host template, and
reference them via macros in the command definition. If I need a different
setting for a particular host, I can override these inherited values in that
host's config. check_nrpe throws a bit of a wrench in this - I'd probably need
a different command set up for each item I'd like to check via NRPE. Does it
sound like I'm on the right track?
Another item I'm struggling with is how to monitor partitions easily. I can
check all filesystems by just passing "/" as the argument. This makes it easy
since I don't care what the separate partitions are - if there is /var, /usr,
and so on these will automatically be checked. One problem is that if any one
of these exceeds the threshold, the notification will occur, even if all the
others are fine. I am trying to avoid having to set up a service for each
partition on each host. Any thoughts on this? I'd rather use Nagios for this
rather than something like Vertias Volume Manager's space monitoring.
My generic host template:
define host{
name generic-host ; The name of this host
template
notifications_enabled 1 ; Host notifications
are enabled
event_handler_enabled 1 ; Host event handler is
enabled
flap_detection_enabled 1 ; Flap detection is
enabled
failure_prediction_enabled 1 ; Failure prediction is
enabled
process_perf_data 1 ; Process performance
data
retain_status_information 1 ; Retain status
information across program restarts
retain_nonstatus_information 1 ; Retain non-status
information across program restarts
notification_period 24x7 ; Send host
notifications at any time
register 0 ; DONT REGISTER THIS
DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
#Default threshold variables
#check_ping
_PING-RTA-W 50 ;Round Trip Average Warn
_PING-RTA-C 100 ;Round Trip Average Crit
_PING-PL-W 10% ;Packet Loss Warn
_PING-PL-C 20% ;Packet Loss Crit
_PING-PKT 5 ;Packet count
}
My check_ping command:
define command{
command_name check_ping
command_line $USER1$/check_ping -H $HOSTADDRESS$ -w
$_HOSTPING-RTA-W$,$_HOSTPING-PL-W$ -c $_HOSTPING-RTA-C$,$_HOSTPING-PL-C$ -p
$_HOSTPING-PKT$
}
Robert C. Cipriani
Senior Network Administrator
Tampa Bay Division IT
Bright House Networks
W: (727) 329-2000 x74264
M: (727) 365-1231
Nolite id cogere, cape malleum majorem
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