Topic: Deploying Cluster unaware application on a windows cluster

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Submitted: 5/3/2008 8:29:01 AM

By: Domon

Hi everyone

Has anyone deployed a cluster unaware application like MySQL on a
server 2003 cluster before? I am trying to configure MySQL over two
cluster nodes so that the application can failover when one is down. I
have come across some article that says we need to install the
application on both nodes and create a generic service to start up the
service during the failover. Can someone advise me on how to go about
doing the configuration?

Thanks.

Regards

--
Domon
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Submitted: 5/3/2008 8:29:01 AM

By: Domon

Deploying Cluster unaware application on a windows cluster

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Submitted: 5/3/2008 2:07:04 PM

By: Chuck Swanson

Re: Deploying Cluster unaware application on a windows cluster

Have deployed cluster unaware apps, but not MySQL. Sure, you can configure
a cluster-unaware app, but if this is supposed to be a highly available
solution, why configure an unsupported scenario. Last I looked MySQL
cluster has not been ported to windows. For a supported scenario :
http://www.mysql.com/products/database/cluster/
--
Chuck Swanson MCT, MCSE+I:Security, MCITP:Exchange, CEH, CHFI, ECSA, LPT,
MCNI, MCNE, CTT+, Security+, etc...
Swanson Computer Training & Consulting, Inc.

"Domon" <Domon.38ubnf@DoNotSpam.com> wrote in message
news:Domon.38ubnf@DoNotSpam.com...
>
> Hi everyone
>
> Has anyone deployed a cluster unaware application like MySQL on a
> server 2003 cluster before? I am trying to configure MySQL over two
> cluster nodes so that the application can failover when one is down. I
> have come across some article that says we need to install the
> application on both nodes and create a generic service to start up the
> service during the failover. Can someone advise me on how to go about
> doing the configuration?
>
> Thanks.
>
> Regards
>
>
> --
> Domon
> ------------------------------------------------------------------------
> Domon's Profile: http://forums.techarena.in/member.php?userid=48096
> View this thread: http://forums.techarena.in/showthread.php?t=961249
>
> http://forums.techarena.in
>

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Submitted: 5/3/2008 2:07:04 PM

By: Chuck Swanson

Re: Deploying Cluster unaware application on a windows cluster

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Submitted: 5/3/2008 10:46:25 PM

By: Domon

Re: Deploying Cluster unaware application on a windows cluster

Hi

Thanks for replying. I really need some advise on this.

This was a requirement from our apps team. Thus, I did some testing on
our staging environment. Here is how I go about doing the
configuration.

1) installing the application on all nodes.
2) configure the application to point it's storage location on the SAN
disk ( a disk resource).
3) configure a generic service resource to start up and monitor the
service.
4) configure the appilcation related resource to start up in correct
order ( disk resorce follow by the service resource)

After configuration, I did some failover testing on the application.

1) plug out the production cable to simulate a network failover.
2) stopping the service to simulate a application failover.
3) ending the applicaiton's process using task manager to simulate a
application failover.
4) shutting down the active mode to simulate a node failure.

The service is able to failover and start successfully and the web
applcation from our apps team is able to connect to the database after
the failover.

However, I am not sure if this is the usual practice to deploy a
cluster unaware application on a windows cluster. Is this configuration
the same as yours when you deploy your cluster unaware apps.

regards and thanks

--
Domon
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