Monthly Archives: January 2026

Follow the progress of a PDB remote cloning   Recently updated !

This entry was posted in cloning Multitenant Oracle Oracle 19c on by

For a PDB migration, I’ve configured a Refresh PDB clone.

SQL> CREATE PLUGGABLE DATABASE P1QXPTO from P1QXPTO@C1Q_OLDCDB REFRESH MODE EVERY 2 HOURS;

The PDB is 16TB and copying will take a few hours. To get the progress, it is not so straight forward:

  • there is no size in V$PDBs until the end
  • the ASM space is reserved from the beginning
  • there are no files in V$DATAFILE or V$ASM_FILE during the copy

The only place to follow the PDB clone is using V$SQL_LONGOPS, as explained at KB135098 – How to Monitor PDB Clone / Move On ‘Create Pluggable Database’ with ‘COPY’ Clause Statement Execution.

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