2001-11-01 10:03:20
Subject: Nameserver
From: Robin James <robin.james AT thalesatm DOT com>
To: nv-l AT lists.tivoli DOT com
Date: Thu, 01 Nov 2001 15:03:20 +0000
We halted a node and its symbol stayed green on the IP Internet submap
instead of turning red.

The Topology Database (ovtopodump) showed the correct state, that is the
node was down.

The trapd log showed no Node Down/Marginal events.

Tracing the netmon process (/usr/OV/bin/netmon -M 63) showed that netmon
correctly detected when the node was halted. However the submap was
never updated.

In the Netview Diagnosis Guide it describes the role of the domain
nameserver (DNS) in map synchronisation. As it happens the DNS process
was not running on our Netview computer. Is this the reason why the
symbol did not turn red?

Does Netview require DNS to be available or will it be able to work with
some other means of mapping the IP address, for example /etc/hosts ?

FYI we're using a dead-end Netview setup - NV 5.1.3 on TRU64 UNIX 5.0F 

email: robin.james AT thalesatm DOT com

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