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Morgan Patou

Documentum Upgrade – Castor is locked!

By | Application integration & Middleware, Entreprise content management | No Comments

One of the best practices while doing upgrade of Documentum is to unlock the various repository objects before starting. This will make sure that if the upgrade process requires an update of some objects, then it will succeed and not cause you issues because you are missing some pieces. This also brings a second benefit: it means that if you ever see locked objects after the upgrade, then something probably went wrong somewhere.   In…

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Morgan Patou

Documentum Upgrade – dm_DataDictionaryPublisher with wrong target server

By | Application integration & Middleware, Entreprise content management | No Comments

As part of the same migration & upgrade project I talked about in previous blogs already (corrupt lockbox & duplicate objects), I have seen a strange but consistent behavior in each upgrade from Documentum 7.x to 16.x versions. During this process, just before the upgrade, a cloning is done to a staging environment, to keep the source untouched.   As part of this cloning, an update of the target_server value of the dm_job objects is…

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Morgan Patou

Documentum Upgrade – Duplicate JMS and ACS config objects

By | Application integration & Middleware, Entreprise content management | No Comments

I have seen several times in the past duplicate JMS and/or ACS objects created by OpenText (and Dell/EMC before) installers. I opened several tickets with the OpenText Support over the past 4/5 years to try to get a reason and a fix (had the issue with all versions, 7.1, 7.2, 7.3, 16.4). The first few tickets (2 or 3, I don’t remember) always ended up after several months of investigation with no real solution and…

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Morgan Patou

Documentum Upgrade – Corrupt Lockbox with CS 16.4

By | Application integration & Middleware, Entreprise content management | No Comments

A couple months ago, I was working on an upgrade project from Documentum 7.x to 16.4. During this upgrade, I faced a few issues so I will try to write some blogs about all that in the coming weeks, starting today with an alleged “corrupt” Lockbox. This upgrade was part of a migration as well from Virtual Machines to Containers (using Kubernetes), therefore the upgrade was done on a staging environment build specifically for that…

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Mouhamadou Diaw

Migrating From Oracle Non-CDB 19c to Oracle 20c

By | Database Administration & Monitoring, Oracle | 2 Comments

With Oracle 20c, the non-multitenant architecture is no longer supported. So, people will have to migrate their databases to container if they want to use Oracle 20c. There are many methods to transform a non-cdb database to a pluggable one. -Datapump -Full Trabsportable Tablespaces -Plugging non-cdb database , upgrade the plugged database and then convert -Upgrading the non-cdb database, then plug it the container and then convert it ( But I am not sure that…

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Morgan Patou

Documentum – Rename of Lockbox on RCS/CFS

By | Application integration & Middleware, Entreprise content management | No Comments

As you probably know, Documentum introduced the optional use of a Lockbox since version 7. It was done initially to contribute to the security of the AEK key which is one of the central components of a Content Server. Time showed that, well, it’s not so easy and since then, nothing much changed on the Lockbox layer. With the version 16.4, OpenText introduced some new things regarding the Lockbox like the upgrade from version 3…

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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, Oracle | 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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