Category Archives: Oracle 12c

Real-time cascading within Oracle Data Guard 12c

By Wadhah DAOUEHI | September 14, 2022 - 12:31 am |April 18, 2023 Linux, Oracle 12.2, Oracle 12c, Oracle Database

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The feature real-time cascading within Oracle data guard started with the version of Oracle database … Read More →

Convert Oracle RAC to RAConeNode 19c, Database is administrator managed

By Wadhah DAOUEHI | July 7, 2021 - 11:41 pm |July 7, 2021 High Availability, Oracle 12c, Oracle Database, OracleLinux8

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This article explains the steps to convert an existing Oracle database 19c (19.9) RAC 2 … Read More →

Create a Listener with NETMGR within Oracle 12.2

By Wadhah DAOUEHI | September 28, 2020 - 9:40 am |September 15, 2021 Oracle 12.2, Oracle 12c, OracleLinux8

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Based on friend request, this articles describes the steps to create a Listener with the … Read More →

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 →