nv-l

Re: Nameserver

2001-11-01 11:38:17
Subject: Re: Nameserver
From: Robin James <robin.james AT thalesatm DOT com>
To: nv-l AT lists.tivoli DOT com
Date: Thu, 01 Nov 2001 16:38:17 +0000
Many thanks Leslie.

Your comment sparked an idea because the node was discovered when DNS
was running. When we cleared the databases and started Netview again the
node was discovered without DNS and the colour changed correctly when
the node was halted and booted. 

-- 
Robin
email: robin.james AT thalesatm DOT com
tel:   +44 (0) 1633-862020
fax:   +44 (0) 1633-868313


Leslie Clark wrote:
> 
> It is supposed to turn red on the map. You might check to see if you are
> getting any ipmap errors in the nettl log or in $HOME/nv6000.log. The
> ipmap application is one that is automatically restarted if it fails, but
> it
> is not supposed to fail. Sounds like a support issue to me. (If you did
> not have a DNS running on the Netview system when you discovered
> the node, you would not need one now.)
> 
> Cordially,
> 
> Leslie A. Clark
> IBM Global Services - Systems Mgmt & Networking
> Detroit
> 
> 
>                     Robin James
>                     <[email protected]       To:     NetView Discussion <nv-l 
> AT tkg DOT com>
>                     esatm.com>              cc:
>                     Sent by:                Subject:     [NV-L] Nameserver
>                     owner-nv-l AT tkg DOT co
>                     m
> 
> 
>                     11/01/01 10:03 AM
>                     Please respond to
>                     IBM NetView
>                     Discussion
> 
> 
> 
> 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
> :-)
> 
> TIA
> --
> Robin
> email: robin.james AT thalesatm DOT com
> tel:   +44 (0) 1633-862020
> fax:   +44 (0) 1633-868313
> _________________________________________________________________________
> NV-L List information and Archives: http://www.tkg.com/nv-l
> 


<Prev in Thread] Current Thread [Next in Thread>