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Re: [nv-l] ovactiond problem

To: nv-l@lists.us.ibm.com
Subject: Re: [nv-l] ovactiond problem
From: "Gerardo Ruiz Garcia" <gerardo_ruiz@inicia.es>
Date: Mon, 13 Mar 2006 09:40:54 +0100
Delivery-date: Mon, 13 Mar 2006 08:41:25 +0000
Envelope-to: nv-l-archive@lists.skills-1st.co.uk
In-reply-to: <OF64E2D539.2CDB029B-ON8525712C.0060DB1A-8525712C.00620A43@us.ibm.com>
Reply-to: nv-l@lists.us.ibm.com
Sender: owner-nv-l@lists.us.ibm.com
The main reason is to create our own classes in TEC, and fill the message
fields in TEC with aditional information.
We send trapss from enterprises that do not suplly TEC baroc files (baseboard
from Dell Servers and RAID alert), so we heve create our own class with
our own slots . THat the reason of execute and script to send an alert to
TEC.
No Netview events ate send to TEC, only private enterprises traps definition.
>-- Mensaje Original --
>Subject: Re: [nv-l] ovactiond problem
>To: nv-l@lists.us.ibm.com
>From: James Shanks <jshanks@us.ibm.com>
>Date: Thu, 9 Mar 2006 12:50:26 -0500
>Reply-To: nv-l@lists.us.ibm.com
>
>
>Is there some reason why you would choose this method of the internal TEC
>adapter in nvserverd?   That method is optimized by having nvcorrd pick
out
>the correct events to send and then having nvserverd do the formatting
and
>sending (two daemons rather than one share the processing).
>
>Using a ruleset and the internal adapter is far more efficient than using
>wpostemsg from a script if you are going to send a lot of events.
>But I don't see how setting the -w to zero could hurt you, since the TEC
>server can handle out-of-sequence events if that becomes an issue.  The
>thing is that once the scripts are launched, you have no control of which
>one(s) the operating system gives priority to.  Usually it's FIFO but you
>never know.
>
>Anybody else sending events to TEC with using postemsg or wpostemsg have
>something they'd like to share?
>
>James Shanks
>Level 3 Support  for Tivoli NetView for UNIX and Windows
>Tivoli Software / IBM Software Group
>
>
>                                                                      
 
>  
>             "Gerardo Ruiz                                            
 
>  
>             Garcia"                                                  
 
>  
>             <gerardo_ruiz@ini                                        
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>             cia.es>                   nv-l@lists.us.ibm.com          
 
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>             Sent by:                                                 
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>             owner-nv-l@lists.                                        
 
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>             us.ibm.com                                            Subject
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>                                       Re: [nv-l] ovactiond problem   
 
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>             03/09/2006 12:36                                         
 
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>The design is tio execute an script for each event that means a TEC message
>executng a wpostemsg comand in the script.
>In this way we can create our own class definition
>The mayor traps are received from Cisco Router snmp agent: interface limks,
>environment problems etc..
>Only a few tarps or events are configured to send wpostemsg to TEC, but
>the rate of traps/events makes ovactiond disconect from trapd.
>I do not understand the meaning of serializing a resource.
>
>Thanks for the comments I will try to set -W to cero and inncrease size
>of trapd.
>What is your opinion of the desing for TEC connection.?
>
>
>>-- Mensaje Original --
>>Subject: Re: [nv-l] ovactiond problem
>>To: nv-l@lists.us.ibm.com
>>From: James Shanks <jshanks@us.ibm.com>
>>Date: Thu, 9 Mar 2006 08:03:02 -0500
>>Reply-To: nv-l@lists.us.ibm.com
>>
>>
>>Probably so, especially if you are serializing on some resource.  What
>is
>>it that you are trying to do?
>>
>>James Shanks
>>Level 3 Support  for Tivoli NetView for UNIX and Windows
>>Tivoli Software / IBM Software Group
>>
>>
>>
>
>>
>>             "Gerardo Ruiz
>
>>
>>             Garcia"
>
>>
>>             <gerardo_ruiz@ini
> To
>>
>>             cia.es>                   nv-l@lists.us.ibm.com
>
>>
>>             Sent by:
> cc
>>
>>             owner-nv-l@lists.
>
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>>             us.ibm.com                                            Subject
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>>                                       Re: [nv-l] ovactiond problem
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>>             03/09/2006 04:53
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>>             AM
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>>             Please respond to
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>>             nv-l@lists.us.ibm
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>>                   .com
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>>I have a question to the option wait -w set to cero.
>>THat it means that the script are executed in background? , so I have
to
>>develop the scripts in a way that several instances of the script can
we
>>executed at the same time.
>>
>>>-- Mensaje Original --
>>>Subject: Re: [nv-l] ovactiond problem
>>>To: nv-l@lists.us.ibm.com
>>>From: James Shanks <jshanks@us.ibm.com>
>>>Date: Wed, 8 Mar 2006 09:14:26 -0500
>>>Reply-To: nv-l@lists.us.ibm.com
>>>
>>>
>>>Francois is probably right that increasing the application queue size
>will
>>>help resolve your problem, but you should be aware of the performance
>>>implications of what you are doing.  The reason that ovactiond is losing
>>>contact with trapd is that he cannot execute whatever it is that you
are
>>>having him execute fast enough to keep up.  So his trap queue backs up
>>>inside trapd  and then trapd closes it when it gets full.  trapd can
>>handle
>>>receiving 10 traps a second and passing them on, but ovactiond cannot
>take
>>>action on every one at that rate.  So making the queue size bigger will
>>>probably allow ovactiond to stay connected, but he will fall behind.
>The
>>>only way he can catch up is if the trap rate to him slows down
>eventually,
>>>or if he doesn't wait for the actions you ask him to execute to complete.
>>>By default they are serialized.  But you can have him just spawn them
>as
>>>fast as he can by setting the wait time (-w) to zero.
>>>See the man page on ovactiond.
>>>
>>>The entire idea behind trap processing is that it should be "bursty",
>that
>>>is, that there should be slow periods as well as fast ones.  If there
>>>aren't any slow periods, then your daemons are likely to fall behind,
>>>depending on how much work you have them do.     I don't have any
>>>benchmarks to share with you, so you are going to have to watch your
>>system
>>>for yourself.
>>>
>>>James Shanks
>>>Level 3 Support  for Tivoli NetView for UNIX and Windows
>>>Tivoli Software / IBM Software Group
>>>
>>>
>>>
>>
>>>
>>>             Francois Le Hir
>>
>>>
>>>             <flehir@ca.ibm.co
>>
>>>
>>>             m>
>> To
>>>
>>>             Sent by:                  nv-l@lists.us.ibm.com
>>
>>>
>>>             owner-nv-l@lists.
>> cc
>>>
>>>             us.ibm.com
>>
>>>
>>>
>Subject
>>>
>>>                                       Re: [nv-l] ovactiond problem
>>
>>>
>>>             03/08/2006 08:18
>>
>>>
>>>             AM
>>
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>>>
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>>>
>>>
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>>>             Please respond to
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>>>             nv-l@lists.us.ibm
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>>>                   .com
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>>>
>>>you can increase the value of "Set Trapd connected applications queue
>>size"
>>>in the trapd configuration (smitty nv6000 or serversetup). I don't
>>remember
>>>the default value but mine is now set to 25000 (which is probably much
>>more
>>>than the default).
>>>
>>>Salutations, / Regards,
>>>
>>>Francois Le Hir
>>>Network Projects & Consulting Services
>>>IBM Global Services
>>>
>>>
>>>
>>>
>>>             "Gerardo Ruiz
>>>             Garcia"
>>>             <gerardo_ruiz@ini
>> To
>>>             cia.es>                   nv-l@lists.us.ibm.com
>>>             Sent by:
>> cc
>>>             owner-nv-l@lists.
>>>             us.ibm.com
>Subject
>>>                                       [nv-l] ovactiond problem
>>>
>>>             03/08/2006 04:34
>>>             AM
>>>
>>>
>>>             Please respond to
>>>             nv-l@lists.us.ibm
>>>                   .com
>>>
>>>
>>>
>>>
>>>
>>>
>>>Hi list:
>>>In our Netview design it is executed a script with several traps are
>>>received,
>>>in trapd configuracion.
>>>As the rate of traps is 10 per second the ovactiond has problems, with
>>the
>>>following message in ovactiond.log:
>>>
>>>03/06/06 10:00:33 ovactiond lost contact with trapd.
>>>03/06/06 10:03:40 ovactiond lost contact with trapd.
>>>03/06/06 10:14:46 ovactiond lost contact with trapd.
>>>03/06/06 10:29:16 ovactiond lost contact with trapd.
>>>03/06/06 10:31:14 ovactiond lost contact with trapd.
>>>
>>>How can I improbe behaviour of ovactiond.
>>>trapd is configured with default settings.
>>>Netview 7.1.4 FP03 AIX5.2 ML-6 .
>>>
>>>Any comments wil be appreciated.
>>>
>>>
>>>
>>>
>>>¿Quieres sacar el máximo a tu conexión Tiscali?
>>>
>>>Toda la información sobre como configurar tu conexión
>>>en nuestra sección de Ayuda.
>>>http://ayuda.tiscali.es/ayuda
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>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>¿Quieres sacar el máximo a tu conexión Tiscali?
>>
>>Toda la información sobre como configurar tu conexión
>>en nuestra sección de Ayuda.
>>http://ayuda.tiscali.es/ayuda
>>
>>
>>
>>
>>
>>
>>
>
>
>¿Quieres sacar el máximo a tu conexión Tiscali?
>
>Toda la información sobre como configurar tu conexión
>en nuestra sección de Ayuda.
>http://ayuda.tiscali.es/ayuda
>
>
>
>
>
>
>


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