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RE: Data collection/thresholds, ruleset question, trap con tent

To: nv-l@lists.tivoli.com
Subject: RE: Data collection/thresholds, ruleset question, trap con tent
From: "Paul Maine Jr." <paulm@msicc.com>
Date: Wed, 19 Sep 2001 20:28:53 -0500
Todd

We have Netview NT and there is not a GUI means to accomplish what you are
asking for. You are wanting to use hysteresis. Hysteresis is a means to
reduce the number of events generated by quickly changing data ( i.e. you
desire to filter spikes in your measurements ). I don't know if the unix
version of Netview has this capability.

-----Original Message-----
From: netview@toddh.net [mailto:netview@toddh.net]
Sent: Wednesday, September 19, 2001 8:08 PM
To: IBM NetView Discussion
Subject: [NV-L] Data collection/thresholds, ruleset question, trap
content



I have been asked to monitor CPU% on a router and send an alert if the
% exceeds 80% in "two consecutive polling intervals-5 minute
intervals".  

Now, given that the Thresholds tool is edge-triggered (i.e. goes off
once, and doesn't reset until the rearm level is satisfied), is there
any way to implement this request?  

At first, I though the "Threshold" node in my ruleset with an AT count
of 2 might do it.  However, then I realized that the data collection
tool would only throw the IBM_NVDCOL_EV trap once until the rearm
level was satisfied.  

Is there a workaround, or do I have to go back and sell the requestor
on the benefit of seeing an alert immediately upon exceeding a CPU
threshold? 

Best Regards, 
-- 
Todd H.
http://www.toddh.net/


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