René Antúnez

Oracle 23ai DB Creation in an ExaCC Fails with DBAAS-60022

Ran into a DB creation failure (DBAAS-60022) while provisioning an Oracle 23ai DB on ExaCC (Image 25.1.3). After digging through logs and a bit of head-scratching, the root cause turned out to be a Java version mismatch — DBCA was compiled with Java 11, but the system defaulted to Java 8. If you’re hitting the same issue, I wrote up the root cause, the Oracle bug reference, and a quick workaround that worked for me.

April 10, 2025 No Comments

Oracle 12cR1 : ORA-16775 with Cascading Standby Databases

Finally I’m back at my English blog, I had been posting at Pythian’s blog and in my Spanish blog , but I had this one a little forgotten, but I promise to make a comeback at it. Recently in my Spanish blog, I had written

May 26, 2014 No Comments

Oracle 12c and its pluggable databases

Oracle 12c and its pluggable databases from Gustavo Rene Antunez

February 20, 2014 No Comments

How to Apply a Standby-First PSU Patch in a 2 node RAC environment

Oracle provides since it’s 11.2.0.1 version a way to apply certain patches, to our standby environment first, without compromising the primary database, to allow to let it burn in the Standby for the time you deem appropriate and then apply the patch binaries to the primary

January 11, 2014 No Comments

A very personal afterthought…

I do have to start that if you came to this post in particular looking for something Oracle related, you won’t find it this time, I do urge you to come back later as I need to pick up my speed here as well, not

October 15, 2013 No Comments

The undocumented status “M” of an RMAN backup

It is not uncommon for Oracle to have something undocumented , and this is just another case of this ailment. We have a database in which we have two copies of the same backup, one we keep in the FRA, the other one in an

April 22, 2013 No Comments

My First IOUG Collaborate

One of the main reasons I have been a little inactive has been that in the last month and a half I have switched jobs, switched countries and had a conference to give at Collaborate in Denver , so I just wanted to share this

April 13, 2013 No Comments

First Days as a Pythianite

One thing that has always amazed me is the way that all of our decisions, big or small, have an impact in our life. Sometimes you can’t notice the fork in the roads that those decisions have caused, but sometimes they are as clear as

March 13, 2013 No Comments

Do you know how your Oracle RMAN backup works?

Recovery Manager or better known as RMAN, is an Oracle client utility that is installed with the Enterprise or Standard edition, you can also find it with the Admin option when installing the Oracle Client. In it’s most basic form, the RMAN client connects, an

December 13, 2012 No Comments