[hobbit] Intelligent alerting across multiple servers?

[T.J. Yang]

----------------------------------------
> Date: Thu, 30 Jul 2009 14:57:06 +0100
> From: j.sansford at ntlworld.com
> To: hobbit at hswn.dk
> CC: pnixon at gmail.com
> Subject: Re: [hobbit] Intelligent alerting across multiple servers?
>
> TJ, we have 3 data centres and each data centre contains a xymon server. All clients in a data centre only report to their local xymon server. However the xymon servers can communicate with each other using BBDISPLAYS (its a little more complicated than that as we utilise a bbproxy in each DC to take the messages and spray them to all 3 xymons).
>
 
This is new architecture that I was not aware of thus the inclusion your notes here.

http://en.wikibooks.org/wiki/System_Monitoring_with_Xymon/Administration_Guide#HA-WAN_2_approach

Please explain more in details on the wiki page if you like to.


Thanks for the information

T.J. Yang
> ---- Patrick Nixon  wrote:
>> Wouldn't it be better on the secondary server(s) to put a conditional
>> statement in the alert rules that if the primary server is online not
>> to alert?
>>
>> I'm pretty sure the rules can handle that.
>>
>> On Thu, Jul 30, 2009 at 8:32 AM, T.J. Yang wrote:
>>>> Date: Thu, 30 Jul 2009 11:15:14 +0100
>>>> From: j.sansford at ntlworld.com
>>>> To: hobbit at hswn.dk
>>>> Subject: [hobbit] Intelligent alerting across multiple servers?
>>>>
>>>> Hello everyone,
>>>>
>>>> We have 3 Xymon servers communicating together and I have noticed they are
>>>> clever enough to communicate enable/disables across the board. For example
>>>> if I was to disable a check on the gui from one xymon server it will
>>>> communicate this with the other 2 and blue them out automatically.
>>>
>>> I have a two servers setting for redunancy.
>>> This is a new feature to me as a hobbit 4.2.0 user, which version are you
>>> using ?
>>>
>>> for blue(maintenance mode) records cloning from one server to the other, we
>>> need to dump the blue records on primary and rsync the blue records to
>>> secondary and finally reimport blue records into secondary.
>>>
>>>
>>>> I was wondering if there is something similar for the alerts? We have 3
>>>> xymons for redundancy however as far as I can tell if I set up the alerts
>>>> config on all 3 then we are going to get 3x identical alerts. Is there any
>>>> way they can talk to each other and only send out one?
>>>
>>> To avoid alert duplication from secondary servers with hobbit 4.2.0 ,  we
>>> need to write a perl script to check primary from secondary. if primary has
>>> outage of network connection or hobbit server is down then we enable alert
>>> module of secondary hobbbit server. at any given time only one hobbit server
>>> is allowed to send out alerts.
>>>
>>> So are you configuring all your hobbit clients to send message to all three
>>> servers ?
>>> This not a concern for a LAN setting but it may become a problem if the
>>> deployment is at the scale of thousands of clients and sending message
>>> across WAN the has smaller wan pipe.
>>>
>>>
>>> tj
>>>
>>>> Many thanks
>>>> James
>>>>
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>>>>
>>>
>>>
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