bizarre values in availability cgi
stucky
stucky101 at gmail.com
Fri Mar 24 22:27:06 CET 2006
guys
I know a lot of questions have been asked about this but I have not found
any answers yet so I decided to drop another line.
I have had nagios 2.0 running for a year now and it's been great. One thing
that baffles me though is the availability reporting.
We had 2 production outages the other day (one scheduled and one
unscheduled). The scheduled one was about of about 37 minutes.
The unscheduled one about 7-10 minutes a couple of hours later. This was
after a few months of 100% uptime.
When I created an availability report over the last 7 days I got these
values.
Report period : last 7 days
Report time Period: 24x7
First Assumed Service State: Service OK
OK
Unscheduled 6d 23h 28m 37s 99.689% 99.689%
Total 6d 23h 28m 37s 99.689% 99.689%
CRITICAL
Unscheduled 49710d 6h 22m 1s -0.062% -0.062%
Scheduled 0d 0h 37m 38s 0.373% 0.373%
Total 0d 0h 31m 23s 0.311% 0.311%
Now the scheduled stuff seems about ok but the unscheduled stuff doesn't
make sense.
First of all negative percentages ??
Second, how can a box be down for 49710 days 6 hours and 22 mins in a 7 day
period ? The actual downtime was about 10 minutes
but I don't see that in the report at all.
I did a test after with another box. I created 2 outages.
1. Unscheduled for about 15 mins
2. scheduled for about 8 mins
The report I did after that looks much better:
OK
Unscheduled 6d 22h 43m 14s 99.238% 99.238%
Scheduled 0d 0h 55m 22s 0.549% 0.549
Total 6d 23h 38m 36s 99.788% 99.788%
CRITICAL
Unscheduled 0d 0h 14m 21s 0.142% 0.142%
Scheduled 0d 0h 7m 3s 0.070% 0.070%
Total 0d 0h 21m 24s 0.212% 0.212%
According to that the reporting seems fine but over a long period of time
the reports seem to get funny as shown above.
I'm sorry if this has been discussed endlessly. If so could someone point me
to those threads please ?
Thx
--
stucky
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