AS10gR2 - moving web, mid and im tiers to new hosts


The environment:

Web tier - Web Cache 10.1.2.3.0
Middle tier - AS 10G R2 10.1.2.3.0, Portal 10.1.4.2.0 (Portal only, no Wireless, Discoverer, Reports and Forms)
IM tier - 10.1.4.2.0 (OID, SSO, no OCA)

The OS of the above mentioned tiers is SLES 9 32 bit.

The Database containing the Product and Identity Metadata is on a dedicated host - AIX 5.3,
the Database Server version is 10.2.0.3.

The question is: what is the most rapid and efficient way to move the Web, Middle and IM tiers to new hosts (the OS on the target machines is RHEL 5.5 64 bit), the database should remain on the actual host (and possibly no new database should be created!)?

I read a lot of documentation (the official docs and MOS notes) and it seems that the only way to move the IM tier to a new machine presumes the creation of a new environment: a temporary replicated IM environment with its own new database or a brand new setup and data migration (see Staging a new test environment from production in the admin guide).

It seems it is not possible to clone the IM tier using the official cloning procedure (it's officially documented that the cloning Perl scripts are not included in the IM installation).

So, is it possible to move the Web, Portal and IM tiers to new hosts in some other way?


Regards
Dimitre


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