James,
Thanks, it's very clear. I'll try it follow your instructions.
Regards,
David
-----Original Message-----
From: nv-l-bounces AT lists.ca.ibm DOT com
[mailto:nv-l-bounces AT lists.ca.ibm DOT com] On Behalf Of James Shanks
Sent: Thursday, August 24, 2006 4:17 PM
To: Tivoli NetView Discussions
Subject: Re: [NV-L] Event correlation to TEC
Famous? You are talking about the ruleset sampcorrNuNd.rs, correct?
That
ruleset will not work with TEC. It uses special features of nvevents
to
do what it does.
It has an initial Event Stream node set to PASS, which will send all
events in the event stream to the target destination. Up to this point
is it like forwardall.rs. Then it selects two events, Node Up and Node
Down, using Trap Settings blocks. Node Down is set to be input 1 to a
Pass-on-Match, so it is held there. The Node Up is input 2. When the
Node Up has a matching hostname, the Node Down is sent on to the Resolve
block, which adds a flag to the event to tell nvevents to remove all
copies it has of similar events which match this one. And nvevents then
removes it (them) from the screen(s). The ability of nvevents to remove
an event when it gets a second copy of it with that removal flag
included is what enables this ruleset to work.
But TEC has no such mechanism to remove events once sent; you have to
close them instead. It knows nothing about the special flag that
nvevents used, and in fact never even saw it.
But it should not be necessary to send another event to close the Node
Down and remove it from the operator's console in TEC. The TEC rules
that Tivoli provides for NetView in TEC do that closure automatically,
don't
they? Node Down events close and go off the screen automatically when
the
matching Node Up arrives, or so I thought. If that's not happening,
then perhaps you are using your own rules in TEC instead.
If you want to stop the Node Downs from being sent in the first place,
you'd need to rewrite that ruleset completely. The initial node would
have to be set to BLOCK, so that only events which you specifically
forward go to the final destination. And then instead of a
Pass-on-Match you'd need a Reset-on-Match so that the Node Down was not
sent if the matching Node Up arrives in the allotted time period. And
the Resolve would be changed to a Forward to send those unmatched Node
Down events along. But now you have a ruleset which will send just one
kind of event, unmatched Node Downs, to TEC. That's all.
So if you wanted to see more events in TEC, then you would have to add
additional selection criteria, using either trap settings or event
attributes blocks, to select and forward all the other events you want
to
see in TEC, just as the TEC_ITS.rs ruleset does. That's why it has an
event attributes block for every specific NetView trap it wants to go to
TEC. You'd have to do something similar.
Hope this helps,
James Shanks
Level 3 Support for Tivoli NetView for UNIX and Windows Network
Availability Management Network Management - Development Tivoli
Software, IBM Corp
"Liu, David"
<david.liu AT eds DOT co
m>
To
Sent by: "Tivoli NetView Discussions"
nv-l-bounces@list <nv-l AT lists.ca.ibm DOT com>
s.ca.ibm.com
cc
Subject
08/24/2006 09:18 [NV-L] Event correlation to TEC
AM
Please respond to
Tivoli NetView
Discussions
<nv-l AT lists.ca DOT ib
m.com>
Dear list,
One question about the event correlation, the famous interface down/up
correlation ruleset is working fine in Netview (tested). My question is:
will this ruleset also work for forwarding to TEC, i.e. if I use the
ruleset in the tecint.conf? My test is failed (the down event is not
waiting 5mins for the up event). Or I need a separate ruleset in TEC?
Solaris, 7.1.4 FP3.
Regards,
David Liu
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