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Migration of DUAL stack High availability ON premise to Distributed AWS


We are in process of migrating DUAL stack High availability ON premise (4 nodes -- 2 apps and 2 db nodes) to Distributed AWS system with 2 nodes. For standalone systems we have copied file system and migrated database using DB tools and they are working fine.

But we are bit confused with dual stack migration by copying file systems as we believe we may encounter issues with JAVA stack.

As of now DB on AWS is built and my DB team has converted RAC to standalone. As of now database part is ready.

Can anyone suggest what will be the best approach to accomplish this?

Do export central system and import central system will work using SWPM? Without exporting database instance?

Any other suggestions?

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1 Answer

  • Best Answer
    Jul 19, 2017 at 01:13 PM

    You should follow the standard system copy procedure to move the system to the new host. The database can be restored to the new server as long as the source and the target OS and DB versions are same. Once the database has been restored you then do an export of the Java stack on the source and import it to the new server. If the systems are on Linux and if the hostname and SID remains the same it is possible to move the systems by copying the filesystems. You just need to install a new license after the move. If there is a change in hostname and SID then system copy with Java stack export import procedure is required.

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