OCI: Cloning a PDB from 12.2 CDB to migrate to 18.2 CDB failed
(Doc ID 2455363.1)
Last updated on APRIL 09, 2020
Applies to:Oracle Cloud Infrastructure - Database Service - Version N/A to N/A [Release 1.0]
Information in this document applies to any platform.
The source 12.2 database was hosted in the Oracle Cloud OCI-Classic and the target was an 18c OCI database.
The upgrade process crashes while running the SQL "alter system flush shared_pool;". This issue was seen only for a particular PDB while for other PDBs in the same setup and cloned in the same way, the issue was not seen.
Details of the steps used:
- db-20 was 12.2 database in OCI Classic.
- db-100 was18.2 database in OCI.
- A VPN connection between both datacenters and a databaselink between both databases was used.
- Open source restricted
PDB Cloning from 12.2 to 18.2 CDB was attempted.
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