I tend to agree with all those that say it is difficult to keep your 
production system in step with your physical infrastructure at DR. You 
also have the whole pain of doing stand-alone restores to get started.

My cut would be to have a simple VM hypervisor (that has simple restore 
facilities) and ran the production VM as a guest mapping the physical 
addresses to those expected. 

Sure, running as a guest, the VM system will not be as efficient and 
guests of the VM system may even run like dogs if they are not tuned. 
However, this is a DR system and the objective is to get a service up and 
running quickly. In a real DR scenario you can always tune the system and 
migrate to native LPAR over the first few days but, while you are doing 
that, you have a service up and running.

 

Colin Allinson
Technical Manager - VM Systems Support
Amadeus Data Processing GmbH

Reply via email to