Author: Rene Antunez

How to fix the status of of the Oracle GI CRS after a failed upgrade

A couple of weeks ago I was working on a two-node Oracle Grid Infrastructure upgrade from 12.1 to 18.5. Everything was going great as both rootupgrade.sh scripts ran correctly, so the only thing pending to run was the gridSetup.sh -executeConfigTools …

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EM13cR2 Installation Failing on BI Publisher Configuration

This is going to be a short post as there wasn’t much information on this type of failure when searching for it. Also, the IP’s are changed due to security reasons I was working on an Oracle EM13cR2 installation and…

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Error ORA-01033 After Doing a Switchover in a 12.1 RAC Environment

The other day I did a switchover in a RAC environment , which went pretty smooth , but after doing the switchover in the primary, I kept getting the following error: SELECT dest_name,STATUS,error FROM gv$archive_dest_status WHERE dest_id=2;   DEST_NAME ——————————————————————————–…

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ORA-30926 While Using impdp Over a Database Link

The other day I was doing an import using impdp in 12.1.0.2, and received the following error:’ORA-30926: unable to get a stable set of rows in the source tables’.   Starting "SYS_PYTHIAN"."SYS_IMPORT_TABLE_03": sys_pythian/******** parfile=table_import.par Processing object type TABLE_EXPORT/TABLE/TABLE Processing object…

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While upgrading to 12.1.0.2 I faced error ORA-01830 / ORA-06512

The other day I was running an upgrade for a client that is using ACLs ( Access Control Lists) from 11.2.0.3 to 12.1.0.2. If you have been doing upgrades to 12c, you know that when running the catctl.pl -n 4 catupgrd.sql it…

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Creating an Oracle Database Cloud Service

Back in late June of 2015, Larry Ellison launched several public cloud services and one of those services was the public DBaaS. Today, I had the opportunity to try out this new service. This blog post will examine how to…

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Are you ready to be a private cloud service provider?

When defining what a cloud service is, we need to know that it is not a technology per se, but its an architectural and operational paradigm. It is a self-service computing environment offering the ability to create, consume, and pay for services….

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EM12c : Login to GUI with the correct password causes authentication failure

So the other day I was trying to log in to my EM12c R4 environment with the SSA_ADMINISTRATOR user, and I got the error: “Authentication failed. If problem persists, contact your system administrator” I was quite sure that the password…

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Quick Tip : Oracle User Ulimit Doesn’t Reflect Value on /etc/security/limits.conf

So the other day I was trying to do a fresh installation of a new Oracle EM12cR4 in a local VM,  and as I was doing it with the DB 12c, I decided to use the Oracle preinstall RPM to…

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Cassandra 101 : Understanding What Cassandra Is

Want to understand the basics of Cassandra and how it works? Pythian data expert Rene Antunez explains…

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