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Morgan Patou

WebLogic – Upgrade of Java

By | Application integration & Middleware | No Comments

If you are used to Java, you probably know that there are really important security fixes published every quarter in the Java Critical Patch Update (CPU) and it’s really important to keep it up to date. It’s always easy to upgrade your Java installation, you just have to deploy the new version entirely. In most cases, it’s also pretty easy to update the Components that are using Java (E.g.: Application Servers like Apache Tomcat), since…

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Marc Wagner

RMAN catalog upgrade, why, when and how

By | Database Administration & Monitoring | 2 Comments

One of our customer has been initially creating a RMAN catalog on an Oracle database release 12.1.0.2.0 and was now intending to register new Oracle 12.2.0.1.0 databases. Registering the databases will be failing with errors : PL/SQL package RCAT.DBMS_RCVCAT version 12.01.00.02 in RCVCAT database is too old RMAN-06429: RCVCAT database is not compatible with this version of RMAN

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David Hueber

ODA migration challenges: Non-OMF to OMF + 11.2.0.3 to 11.2.0.4

By | Database Administration & Monitoring | One Comment

To do some application and performances tests, I had to copy a database from a third party Linux server to an ODA X7-2M. Looks pretty simple on the paper, but 2 small challenges came into the game. The first was that of course the source database was in Non-OMF while ODA works fully in OMF. The second was that the source database is running 11.2.0.3 which is not supported and cannot be installed on the…

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Oracle Team

PDB upgrade from 12c to 18c

By | Oracle | 3 Comments

By Franck Pachot . Oracle 18c is out, in the Oracle Cloud, and the first thing I do with a new version is testing how long it takes to upgrade a previous version PDB by unplug/plug. Faster upgrade should be the benefit of having a slim dictionary where the system objects are reduced to metadata links and data links. However, it looks like upgrading the PDB dictionary still takes the same time as upgrading the…

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Jérôme Dubar

One command database upgrade on ODA

By | Database Administration & Monitoring | No Comments

The 12.2 finally arrived on ODA and is now available on all generations. Modern ODAs are now supporting 11.2.0.4, 12.1.0.2 and 12.2.0.1 database engines, and these 3 versions can work together without any problem. You probably plan to upgrade some old databases to the latest engine, at least those still running on 11.2. As you may know, 11.2  is no more supported with premier support since January 2015: it’s time to think about an upgrade….

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Mouhamadou Diaw

Upgrade to Oracle 12.2 with dbupgrade utility

By | Database Administration & Monitoring | 6 Comments

Oracle 12.2 is released and we will have to upgrade. And in this blog we are going to talk about upgrading to oracle 12.2 using the dbupgrade utility. Of course the dbua tool is still available and can be also used. Oracle Database 12.1 introduced the Parallel Upgrade Utility, catctl.pl. This utility reduces the total amount of time it takes to perform an upgrade by loading the database dictionary in parallel, and by using multiple…

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Oracle Team

12cR2: Upgrade by remote clone – workaround ORA-17630 in DBaaS

By | Database Administration & Monitoring | 2 Comments

By Franck Pachot . Easier than unplug/plug, you can move pluggable databases with remote cloning. It’s the same idea but you don’t have to manage the files yourself: the are shipped through database link. However, this uses the ‘remote file protocol’ and it fails with version mismatch: ORA-17628: Oracle error 17630 returned by remote Oracle server ORA-17630: Mismatch in the remote file protocol version client server

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Oracle Team

12cR2: How long to upgrade a PDB?

By | Database Administration & Monitoring | No Comments

By Franck Pachot . In the previous post I described how simple it is to unplug a PDB and plug it into a newer version CDB. One goal of dictionary separation in the multitenant architecture is to keep system objects on CDB$ROOT only. Knowing that an upgrade does not touch the application metadata and data, does this make PDB upgrade fast as a simple refresh of metadata links?

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