Oracle ZDM 21.5 Physical Online Migration failing during TEMP tablespace encryption 05.08.2025 by Marc Wagner The ZDM 21.5 version brings some new functions like encrypting automatically now the TEMP, SYSTEM, SYSAUX and UNDO tablespaces. There is no need to do it manually any more after the ZDM migration, ZDM will take care of it on(…)
Oracle Oracle ZDM 21.5 new features 05.08.2025 by Marc Wagner I have already written several articles about my experience migrating databases with Oracle Zero Downtime Migration. At that time, the version available was 21.4. The current version is now 21.5. Recently, I had the opportunity to patch our customer ZDM(…)
Oracle Automatisation for Oracle ZDM installation and update 31.07.2025 by Marc Wagner Let's have a look how we can install and update Oracle Zero Downtime Migration tool, and see how we can automatise it with ansible...
Oracle What will happen to your spare clones during a switchover on ExaCC? 29.07.2025 by Marc Wagner As you might know, on ExaCC, it is possible to create spare clones. This is based on snapshot technology. There is no physical copy and the modified blocks will be written to the sparse clone, and in our case these(…)
Oracle dbaascli database move failing with ORA-01691 on ExaCC 28.07.2025 by Marc Wagner I recently had to move a database from a 19.23 to a 19.26 dbhome on an ExaCC. This will include the database to be patched. The command dbaascli database move failed during the datapatch steps with following error: DBD::Oracle::st execute(…)
Oracle dbhome prepatch failing on ODA due to missing sqldeveloper files 21.07.2025 by Marc Wagner I have been recently patching RAC databases on ODA 2-HA configured with Data Guard from version 19.20 to 19.26. During prepatch I have been facing an issue with missing sqldeveloper files, for which I could find a solution. I would(…)
Oracle Restore a database using Veeam RMAN plug-in on an ODA 22.04.2025 by Marc Wagner I recently wrote a blog to show how to configure Veeam RMAN plug-in to take database backups. As all DBA knows, configuring a backup, will not go without testing a restore. In this blog I will show how I tested(…)
Oracle Installing and configuring Veeam RMAN plug-in on an ODA 31.03.2025 by Marc Wagner I recently had to install and configure the Veeam RMAN plug-in on an ODA, and would like to provide the steps in this article, as it might be helpful for many other people. Create Veeam linux OS user(…)
Oracle Convert Single Instance database to RAC on an ODA 02.12.2024 by Marc Wagner In this article, I will show you how to convert a SI (Single Instance) database to a RAC database on an ODA using rconfig. Of course this is only possible with the ODA 2-HA model as it comes with a(…)
Oracle And what about cloning a PDB in a Data Guard environment on ExaCC? 31.07.2024 by Marc Wagner I have recently blogged about how to create a new PDB on ExaCC in a Data Guard environment, see https://www.dbi-services.com/blog/create-new-pdb-in-a-data-guard-environment-on-exacc/. And what about if I clone a PDB on the primary CDB? Let’s see. Clone PDB on the primary(…)