nv-l

Re: MLM switch over

1999-10-18 18:15:52
Subject: Re: MLM switch over
From: Chris Cowan <chris.cowan AT 2ND-WAVE DOT COM>
To: nv-l AT lists.tivoli DOT com
Date: Mon, 18 Oct 1999 17:15:52 -0500
"Joel A. Gerber" wrote:
>
> I have never tried to have one MLM backup another MLM, and do not believe
> that there is any automated capability in NetView/MLM to do such a thing.
> NetView automatically takes over status polling of the IP addresses being
> polled by an MLM if it detects that an MLM is down.  It automatically gives
> it back to the MLM, too, when it detects that the MLM is back up.  I do not
> believe that there is any similar capability for data collection or other
> MLM functions.  You could probably automate something off of the "MLM Down"
> and "MLM Up" traps that would update the appropriate mlmDomain collections
> (smartsets).  Once the collection was updated, NetView should automatically
> distribute all of the MLM functions (status polling, data collection, etc.)
> to the new MLM, but there would likely be some delay, i.e. it's not
> instantaneous.
>
> Joel Gerber - I/T Networking Professional - USAA
>

Actually, the MLM can be passed between Netview Managers in a backup
relationship.    You'd have to make sure that it handled all the
collections and APM stuff.

Also, you could dynamically reconfigure the mlmDomain collections with a
ruleset that caught the Node Down event for the MLM.  You could run the
ruleset under ESE.Automation or the nvserverd adapter.

Attachment: chris.cowan.vcf
Description: Card for Chris Cowan

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