[Disaster recovery] Moving the Essbase server to another physical server

Hi All,
I have 3 Solaris servers part of the EPM 11.1.2.1 environment:
Server1.company.com:
Foundation services, APS, EAS
Server2.company.com:
Essbase Server, Essbase Studio Server.
Installation done on a SAN disk using user ID hypadmin
Server3.company.com:
*Nothing installed here*.
Its the standby server in case Server2 goes down.
Note: I couldn't find any documentation for my below approach... So please understand the risk involved before attempting the same.
Pre-disaster recovery:
I copy the home directory of hypadmin from Server2 to Server3.
During disaster recovery:
I update the Essbase server host name from Server2.company.com to Server3.company.com and similarly update the opmn.xml file.
Finally mount the SAN onto Server2 and start up the services.
Has anyone done the same..? Have you faced any issues? Is there a better way of doing this?
Thanks
Regards,
Kent

Hi,
I believe the usual way of doing this is to have a DR environment, rather than just one server (so for you you would have 2 DR servers). The DR environment has hosts file entries to map Production host names to DR IP addresses.
In DR you are connected to a separate SQL instance and you install and configure the products exactly as you would for Production (exactly the same hostnames).
Then when you are finished you shut down the DR environment and turn on SQL log shipping between the Production and DR databases.
If your Production environment goes down you stop the SQL log shipping, then you can bring up DR and change the DNS names (as required) to give your users access.
For Essbase storage you can either backup Production cubes to DR or mount the Production SAN in DR. The only problem with the latter is that if Production goes down and the SAN is lost you can't bring up DR fully either.
Let me know if you still have questions.
-Dan

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