We are in the middle of migrating the database from IBM AIX to Linux exadata Server using transportable tablespace.
Source Database(IBM AIX) is 184.108.40.206 and Target DB (LINUX exadata) is 220.127.116.11 DB.
Our concern is here that after migration do we need to upgrade the database to 18.104.22.168
As we are using transportable tablespace we are following the below detail steps.
1. check verification of tablespaces.
2. Export the source tablespace using transportable tablespace.
3. copy all the datafile to target server from source server.
4. Convert datafile on target server.
5. imp the metadata to target server.
After completing the above activity do i need to upgrade the target database to 22.214.171.124 as the datafiles are belong on 126.96.36.199 db.
Your compatible parameter on the Exadata box would be at 11.2 0.2 or higher in Exadata.
"Beginning with Oracle Database 11g, a tablespace can always be transported to a database with the same or higher compatibility setting, whether the target database is on the same or a different platform. The database signals an error if the compatibility level of the transportable set is higher than the compatibility level of the target database."
So you should be good to go without anything extra.
You do not need to upgrade.
For upgrades to Exadata, XTTS is the preferred method and it is designed to reduce the downtime.
Reduce Transportable Tablespace Downtime using Cross Platform Incremental Backup (Doc ID 1389592.1)