Category Archives: Oracle

RAC 12cR2 Cluster Bug: HANG DUE TO HIGH GC INDEX OPERATIONS/ENQ: TX ROW LOCK CONTENTION WAITS: Bug resolved via Patch 28023081

By Wadhah DAOUEHI | March 31, 2020 - 10:49 pm |March 31, 2020 High Availability, Linux, Oracle, Oracle 12c, Security

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Installing the patch 28023081 to resolve the Bug In Oracle database RAC 12.2.0.1 : HANG … Read More →

Patch 26609817: DATABASE RELEASE UPDATE 12.2.0.1.170814 (RAC)

By Wadhah DAOUEHI | March 31, 2020 - 10:32 pm |March 31, 2020 Linux, Oracle, Oracle 12c, Security

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Installing Oracle database 12.2.0.1 Patch 26609817 Step 1: Download the Patch from My Oracle Support … Read More →

Oracle Cloud Control database Plug-in on the agent in 12cR1

By Wadhah DAOUEHI | March 22, 2020 - 3:34 pm |March 22, 2020 Oracle, Oracle 12c

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Host – The Cloud Control database plug-in must be deployed on the Agent monitoring the … Read More →

Bug while creating new administrator manager RAC 12cR1 while we have one

By Wadhah DAOUEHI | December 5, 2019 - 5:54 pm |December 5, 2019 High Availability, Linux, Oracle, Oracle 12c

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We find a bug/Problem while creating new administrator manager RAC 12cR1 while we have one … Read More →

DevOps/DBA n°2: Oracle database EE 18c on Docker Image based on Oracle Linux 7u7

By Wadhah DAOUEHI | November 28, 2019 - 4:03 pm |November 28, 2019 0racle 18c, DevOps, Linux, Oracle

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Enjoy Oracle database EE 18c on Docker Image based on Oracle Linux 7u7, it is … Read More →

DevOps/DBA n°1: Oracle database EE 19c on Docker Image based on Oracle Linux 7u7

By Wadhah DAOUEHI | November 27, 2019 - 10:15 pm |November 28, 2019 DevOps, Linux, Oracle, Oracle 19c

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Enjoy Oracle database EE 19c on Docker Image based on Oracle Linux 7u7, it is … Read More →

[FATAL] [DBT-11211] 19c DBCA: The AMM option is not allowed while the physical memory is greater than 4GB

By Wadhah DAOUEHI | November 22, 2019 - 3:20 pm |November 26, 2019 Linux, Oracle, Oracle 19c

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This article explains the steps to change the Automatic Memory Management option to the Automatic … Read More →

Drop guaranteed restore points: ORA-38781

By Wadhah DAOUEHI | November 12, 2019 - 12:30 pm |November 12, 2019 Oracle, Oracle Database

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I cannot disable archive log for my Oracle database 12c, after creating a restore point … Read More →

Upgrade Oracle database from 12c (12.1.0.2) to 19c (19.3.0.0) using the RMAN backup

By Wadhah DAOUEHI | August 27, 2019 - 7:45 pm |August 27, 2019 Linux, Oracle, Oracle 19c, Oracle Database

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This article explains the steps to upgrade Oracle database 12cr1 (12.1.0.2) to the 19c version … Read More →

Install Oracle database 12cR1 RAC 3 nodes on Oracle Linux 6u10

By Wadhah DAOUEHI | May 31, 2019 - 6:16 pm |May 31, 2019 High Availability, Linux, Oracle, Oracle Database

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This article explains the steps to install and create an Oracle database 12cR1 RAC 3 … Read More →