Alerts based on rrd graphs 🔗 link

Anyone doing any alerting on graphed rrd data?  Just looking for some sample
of what you might be doing.

 
-Kevin

Anyone doing any alerting on graphed rrd data?  Just looking for some sample
of what you might be doing.

 
-Kevin

After digging through the old mailing list archives, I've got CPU
utilization (idle) alerting by adding this to the default section of my
analysis.cfg:

 
        DS cpu vmstat.rrd:cpu_idl >=10 COLOR=green "TEXT=CPU Idle load
Normal at &V%"

        DS cpu vmstat.rrd:cpu_idl <10 COLOR=yellow "TEXT=CPU Idle load
High at &V%"

        DS cpu vmstat.rrd:cpu_idl <=5 COLOR=red "TEXT=CPU Idle load
Critical at &V%"

 
I then have, for one server where I want a yellow alert to go off for
less than 15% CPU idle, added to that host's entry in the analysis.cfg
file.

 
From: xymon-bounces at xymon.com [mailto:xymon-bounces at xymon.com] On Behalf
Of Kevin King
Sent: Wednesday, December 12, 2012 9:43 AM
To: xymon at xymon.com
Subject: [Xymon] Alerts based on rrd graphs

 
Anyone doing any alerting on graphed rrd data?  Just looking for some
sample of what you might be doing.

 
-Kevin

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Yes.  I watch NTP offsets from ntpstat.rrd with the following in
analysis.cfg:

HOST=%^(host1|host2)
        # alert if NTP offset exceeds 10ms
        DS ntp ntpstat.rrd:offsetms >10 COLOR=red "TEXT=NTP offset &Vms is
higher than &Ums"
        DS ntp ntpstat.rrd:offsetms >5 COLOR=yellow "TEXT=NTP offset &Vms
is higher than &Ums"
        DS ntp ntpstat.rrd:offsetms <=5 COLOR=green "TEXT=NTP offset &Vms
is within +/-&Ums"
        DS ntp ntpstat.rrd:offsetms <-10 COLOR=red "TEXT=NTP offset &Vms is
lower than &Lms"
        DS ntp ntpstat.rrd:offsetms <-5 COLOR=yellow "TEXT=NTP offset &Vms
is lower than &Lms"

Also, I do a similar thing for DNS latency, where the graphs are
automatically generated when I add a "dns" test configuration to hosts.cfg:

        # alert if lookups take too long (200ms or 50ms)
        DS dns tcp.dns.rrd:sec >0.05 COLOR=yellow "TEXT=Response time &V
exceeds &U seconds"
        DS dns tcp.dns.rrd:sec >0.2 COLOR=red "TEXT=Response time &V
exceeds &U seconds"

These go into my SLA-type reports to management.

Cheers
Jeremy

On 13 December 2012 01:55, Kevin King <user-4c6c31ddcab2@xymon.invalid> wrote: