From: Green, Simon (SGreen@KRAFTEUROPE.COM)
Date: Thu Aug 15 2002 - 11:57:46 EDT
I think the problem is that there are two applications, each of which
requires a different hostname. Normally, one runs on each of the two nodes
in the cluster. But if a node fails you'd end up with both applications on
the same server, but needing different hostnames.
I don't see how this can be done.
Simon Green
Philip Morris ITSC Europe
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> -----Original Message-----
> From: Theresa Sarver [mailto:IFMC.tsarver@SDPS.ORG]
> Sent: 15 August 2002 16:17
> To: aix-l@Princeton.EDU
> Subject: Re: WebSphere and HACMP
>
>
> For apps that require an exaxt hostname match before they
> start add the following lines to the script you use to start
> the app servers:
>
> ____________________
> mkdev -t inet
> chdev -l inet0 -a hostname=nnn
>
> Where nnn is the hostname of the machine the fallover node is
> masquerading as.
> _____________________
>
> Taken from HACMP Troubleshooting Guide.
>
> Hope that helps;
> Theresa
>
>
> >>> tfwu@TECHNOWORKS.NET 08/15/02 09:48AM >>>
> Dear all,
>
> I have a 2-node HACMP cluster running a specific application
> X. The HA cluster is configured to hot standby mode and takes
> care of this specific application X which requires to bind to
> the hostname. Instead of installing Websphere to node A which
> is currently the production server, I'm required to install
> Websphere to node B for proction (as reuested by customer for
> certain restraints in his environment). Since Websphere by
> itself supports HA feature, I suppose if node B fails,
> Websphere in node A will somehow aware and take care of such
> failure. My concern here is that Websphere requires to bind
> to the hostname as well. How to resolve the hostname binding
> issure from both applications (Websphere and Application X),
> in fact it is a situration similar to mutual take over but
> only form application level of view. Are there any scripts or
> tricks to work around this solution?
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