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You have all the key steps correct. One addition is you will need to include the database details for your existing domain database in the infasetup updategatewaynode command.
KB 416603 confirms the steps you need. You can ignore that it is for a 9.x Domain, the same steps are correct for 10.x
I am just thinking to implement the infa changes as below, instead of implementing in a way highlighted earlier. Do you see any issues here?
1) Shutdown the node process on the server being migrated to RHEL
2) Perform a fresh installation on the same server post RHEL migration under a different directory by joining an existing domain
3) While joining, rename the node name and use the same default ports
4) Create a grid with newly created node (RHEL) and SUSE node (Yet to be migrated)
5) Associate DIS with the newly created GRID
Thanks and Regards
The steps seem ok. How do you plan to eventually move all nodes from Suse to RHEL?
One node at a time.
We have two nodes in each environment. One of the servers will be taken down for migration, making the domain and services up and running on another.
On successful completion of migration, domain and the services will be configured to run on migrated node alone.
Perform testing. If all good, shutdown the node process on SUSE and migrate it.
Your plan sounds good. Do you run both nodes as Gateway nodes?
Yes, both are configured as GW nodes.
Ok, I don't see any issues with your approach.