[Xymon] XYMONSERVERS bug
Ralph Mitchell
ralphmitchell at gmail.com
Mon May 27 07:57:36 CEST 2013
Yes. Your clients try to talk to server1, eventually timeout, then deliver
to server2. I think the server reads the clients clock time from the status
message, so if the message is delayed, the clock time looks wrong.
That's a guess, I haven't looked at the source, but that would explain what
you're seeing.
Ralph Mitchell
On May 27, 2013 1:34 AM, "Roland Soderstrom" <Rolands at logicaltech.com.au>
wrote:
>
> Actually I don’t have this setting in the servers at all just on the
clients.
>
> So xymonserver2 doesn’t know xymonserver1, more than as a client
>
>
>
> From: Ralph Mitchell [mailto:ralphmitchell at gmail.com]
> Sent: Monday, 27 May 2013 3:28 PM
> To: Roland Soderstrom
>
> Subject: Re: [Xymon] XYMONSERVERS bug
>
>
>
> Could that be due to waiting for the first server to time out when it's
down?
>
> Ralph Mitchell
>
> On May 27, 2013 1:16 AM, "Roland Soderstrom" <Rolands at logicaltech.com.au>
wrote:
>
> Yes, both xymonservers sync with xntp from the same source, clients sync
from the same source as well.
> I have manually checked time on the xymonserver and xymonclients and they
are on the dot the same time.
>
> - Roland
>
> -----Original Message-----
> From: Xymon [mailto:xymon-bounces at xymon.com] On Behalf Of Henrik Størner
> Sent: Monday, 27 May 2013 3:11 PM
> To: xymon at xymon.com
> Subject: Re: [Xymon] XYMONSERVERS bug
>
> Well, the obvious explanation would be that the clock on your two Xymon
servers differ, so on the first server the time is within the clients'
> idea of what time it is, but on the other server it is more than 10 secs
apart.
>
> Have you checked the clock on your servers ?
>
>
> Regards,
> Henrik
>
> On 27-05-2013 06:56, Roland Soderstrom wrote:
> > Hi,
> >
> > Xymon version 4.3.10
> >
> > I have 2 identical xymon servers and specify this in the
xymonclient.cfg.
> >
> > XYMSRV="0.0.0.0" # IP address of the Xymon server
> >
> > XYMSERVERS="192.168.10.1 192.168.10.2" # IP of multiple Xymon
> > servers. XYMSRV must be "0.0.0.0".
> >
> > If the first mentioned server 192.168.10.1 goes down the second
> > happily just continues and clients sends data to the second one.
> >
> > But, it will display the cpu on each client as yellow with "System
> > clock is 47 seconds off (max 10)"
> >
> > Strange enough it is always 47 seconds on ALL clients.
> >
> > If I swap the ip's around XYMSERVERS="192.168.10.2 192.168.10.1" it
> > goes green again with no time difference.
> >
> > I can reproduce this any time and it is always 47 seconds.
> >
> > Is this a bug? or expected behaviour.
> >
> > Cheers,
> >
> > -Roland
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