nv-l

[nv-l] Strategies for dealing with clusters, interface names, TEC events

2003-02-13 13:46:20
Subject: [nv-l] Strategies for dealing with clusters, interface names, TEC events
From: Jon_Austin AT bankone DOT com
To: <nv-l AT lists.tivoli DOT com>
Date: Thu, 13 Feb 2003 13:34:54 -0500
We are a legacy installation of NetView, since the 4.x to 5.x days. We are 
current at 7.1 heading on the current level this year.

Our implementation was architect way back last millennium. Our mission is 
discrete:
        Up/Down status polling on server class systems and network devices 
(interface/node)
        SNMP trap processing 

        Everything munges through with a single target path: T/EC, and then an 
incident management system.

Way back when a decision was made to use /etc/hosts entries to make NetView 
objects without domain names. It allowed us not to have to truncate the names 
in T/EC. 

However, with the increased use of clustering architectures, and assigning 
multiple names and IP addresses to a physical server device, we're trying to 
grok out how to properly distinguish between a cluster server (with an 
associated IP address) and a cluster service (with another associated IP 
address) end-to-end, from interface down/node down, all the way to incident 
management. 

I would greatly appreciate any thoughts on the subject, detailed on conceptual.

Should we be evolving our NetView configuration away from a local /etc/hosts 
file?

Can NetView handle at discovery time associating different names (derivable 
from DNS) as labels for different interfaces so we can treat a Cluster Service 
(and IP) like a virtual node from detecting interface loss through to incident 
management? We are extremely bullish on automation where possible.


Jon C Austin
Enterprise Management
Technology Operations
Bank One Card Services
(302)282-3498 (phone)
Jon_Austin AT bankone DOT com



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