[Xymon] Xymond and xymonnet quirks
White, Bruce
bewhite at fellowes.com
Fri Aug 19 05:00:02 CEST 2011
Henrik,
This is not new. Here is data from an April, 2010 run on a Xymon 4.3.0-0.beta2 server. The issue stayed that way for over an hour and with no changes to DNS or Xymon, it just went away on its own.
TIME SPENT
Event Starttime Duration
bbtest-net startup 6140121.488751 -
Service definitions loaded 6140121.489712 0.000960
Tests loaded 6140121.519901 0.030188
DNS lookups completed 6140131.514514 9.994613
Test engine setup completed 6140131.519790 0.005275
TCP tests completed 6140131.930649 0.410859
PING test completed (535 hosts) 6140161.657584 29.726934
PING test results sent 6140161.659809 0.002224
Test result collection completed 6140161.660014 0.000205
LDAP test engine setup completed 6140161.660015 0.000000
LDAP tests executed 6140161.660016 0.000001
LDAP tests result collection completed 6140161.660017 0.000000
DNS tests executed 6140611.940605 450.280588
Test results transmitted 6140611.948177 0.007571
bbtest-net completed 6140611.949255 0.001078
TIME TOTAL 490.460504
Hope that helps,
Bruce
Bruce White
Senior Enterprise Systems Engineer | Phone: 1-630-671-5169 | Fax: 630-893-1648 | bewhite at fellowes.com | http://www.fellowes.com/
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-----Original Message-----
From: xymon-bounces at xymon.com [mailto:xymon-bounces at xymon.com] On Behalf Of Poppy, Ben
Sent: Thursday, August 18, 2011 2:48 PM
To: Henrik Størner; xymon at xymon.com
Subject: Re: [Xymon] Xymond and xymonnet quirks
Yes, you are correct, DNS Tests:
TIME SPENT
Event Start time Duration
xymonnet startup 56982.063059 -
Service definitions loaded 56982.063799 0.000739
Tests loaded 56982.112916 0.049116
DNS lookups completed 56987.113241 5.000324
Test engine setup completed 56987.121448 0.008207
TCP tests completed 56999.227356 12.105907
PING test completed (1088 hosts) 57034.610220 35.382864
PING test results sent 57034.630133 0.019912
Test result collection completed 57034.630481 0.000347
LDAP test engine setup completed 57034.630482 0.000000
LDAP tests executed 57034.630482 0.000000
LDAP tests result collection completed 57034.630482 0.000000
DNS tests executed 57378.220329 343.589846
Test results transmitted 57378.266216 0.045887
xymonnet completed 57378.267156 0.000939
TIME TOTAL 396.204096
For the xymonserver.cfg, what is the proper way to configure when you have 2 xymon servers (1 primary and 1 instant backup server that gets the same data from all the reporting clients)? Should I change it from multiple to single in the xymonserver.cfg? but still have both listed in the xymonclient.cfg?
Thanks,
-Ben
-----Original Message-----
From: xymon-bounces at xymon.com [mailto:xymon-bounces at xymon.com] On Behalf Of Henrik Størner
Sent: Thursday, August 18, 2011 12:40 AM
To: xymon at xymon.com
Subject: Re: [Xymon] Xymond and xymonnet quirks
On 18-08-2011 06:41, Poppy, Ben wrote:
> After getting the latest Xymon 4.3.4 finally working on CentOS 6 64-bit,
> I'm seeing a few quirks that I'd appreciate some input on.
>
> First, under Xymonnet tests, it's alerting Yellow because the time spent
> is too long (over 300). The culprit is DNS tests executed taking over
> 340 itself.. Can anyone shed some light on this?
Is it "DNS lookups" or "DNS tests" ?
I've had another report that there is a problem with timeout handling in
the DNS *tests* (the explicit tests to see if a dns server is working),
which would show up in the latter line, whereas the ordinary DNS
*lookups* (those performed to see what IP we should use to probe all the
hosts in hosts.cfg) work OK.
> Next, under Xymond, I'm getting a ton of multiple statuses reports for
> CONN tests. I can't seem to find a clear archive of what would cause
> that other than having both IP's listed when you have 2 display servers..
>
> Both servers reference each other as a client and in xymonserver.cfg..
No wonder you get that warning, then. With both servers listing each
other in xymonserver.cfg, then the network tests you run on each server
will send the results to both of your servers - so server A will be
getting all of the "conn" status reports both from server A and server
B. Hence the warning - there are two systems reporting the same data.
Regards,
Henrik
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