Wednesday, 5 February 2025

Oracle RAC DBA Online Training - 15th Feb 2025

 Dear All,

Those who want to learn Oracle 19C RAC DBA online training from starting to Expert level follow the below course content.

Course Duration:  7 weekends ( Sat & Sun)  3 hours / per day ( 42 hours )

 

Staring the training from 15th Feb 2025 to 30th Mar 2025 (Total 7 weekends)

Weekend sessions: Saturday: 8:00 AM to 11 AM IST , 10:30 PM to 1:30AM ET

                                     Sunday:  8:00 AM to 11 AM IST , 10:30 PM to 1:30AM ET

 

Demo Session :   Oracle RAC DBA Demo session Weekend batch

Time: 15th Feb 2025 08:00 AM IST

Join Zoom Meeting :: will share on request those who are interested to join Oracle RAC DBA online training .

 

Course Content:

 

WhatsApp group:

https://chat.whatsapp.com/JTC9OhT5Aq1ETTuByC3MEr

 

Contact no:  +91 9392634440 ( whatsapp) , mail id :  racsinfotech@gmail.com

Registration Form :: https://docs.google.com/forms/d/1L8gWNTCP3WvOlklR62oag3XGXCPqd_CBjbDl2AtsK1s/viewform

 

 

RAC Course Contents:

1. Introduction to Oracle Custer ware / Cluster ware Architecture

>> Standalone Vs RAC

>> What is Oracle Cluster ware

>> Oracle Cluster ware Architecture and Cluster Services

>> RAC One Node Vs RAC database

>> Online Relocation

>> Networking in Cluster ware

>> Cluster ware services Start-up and shutdown Sequences

>> what are OCR and Voting disk

 

2. Linux Installation and Configuration step by step on Oracle VM.

>> Oracle Virtual box 7 version setup on windows.

>> Installation of Linux OS (7.x)

>> OS Post Installation checks and Tasks

>> Node1 VM to Node2 VM Clone .

 

3. Network Setting and Configuration setup.

>> Public IP, Private IP , VIP and Scan IP Configuration

>> DNS Server Configuration

>> VM Shared Disk Creation process

>> how to create ASM Disks using VM shared disk's.

 

4. Cluster Installation and Configuration steps.

>> Custer Pre-installation Tasks

   > System requirements Checks

   > Kernel parameters checks

   > Create required directory ,groups and users for grid & db install

   > Execute the ./runcluvfy from any one of the nodes using below command

     ex: ./runcluvfy.sh stage -pre crsinst -n racnode1,racnode2 -verbose)

>> ssh user password less /equivalence configuration on cluster nodes.

>> Start the Oracle Cluster Installation and Configuration steps using ./gridSetup.sh

>> Cluster Post Installation checks

ex:: ./cluvfy stage -post crsinst -n racnode1,racnode2 -verbose

 

5. Oracle RAC DB Installation and Configuration steps

>> Pre-installation tasks

   > System requirements Checks

   > Kernel parameters checks

   > Create required directory ,groups and users for db install

   > ssh user password less connection  setup / equivalence configuration

>> Installation and Configuration RAC DB.

>> RAC DB software Post Installation Tasks

 

6. Create Oracle ASM Disk groups >> +OCR,+DATA & +ARCH etc disk groups.

 

7. Oracle RAC Database Creation and Configuration

>> Pre-installation for Oracle RAC DB Configuration

./cluvfy stage -pre dbcfg -n racnode1,racnode2 -d Oracle_home -verbose

./cluvfy stage -pre dbinst -n node_list [-r {11gR1 | 11gR2 | 12cR1 | 12cR2}]  [-osdba osdba_group] [-d Oracle_home] [-fixup [-fixupdir fixup_dir] [-verbose]

 

>> Oracle RAC Database Creation and Configuration using dbca / command line using response file.

>> Post Installation Tasks for Oracle RAC DB Configuration

 

8. Oracle ASM Introduction & Architecture

>> Oracle ASM Storage Components.

>> what is Mirroring and Stripping in ASM.

>> what are the ASM instance parameters.

>> Oracle ASM Administration process / steps.

 

9. Oracle ASM Disk Groups Administering

>> How to Administering Oracle ASM Disk Groups.

>> How to Preform Adding Disk to Disk group and Dropping Disks from disk groups.

>> How to Preform Disk group Rebalance and Rebalance Power limit in ASM.

 

10. RAC Database Administration and Oracle Cluster ware Administration

 

##Oracle Cluster ware Administration

>> What are OCR and Voting Disks in Cluster.

>> What are the Cluster Resource and Services

>> What are crsctl vs srvctl utilities / tools.

>> How to Restarting Oracle Cluster ware and Services.

>> How to Restarting Oracle Cluster Databases.

>> How to Rebooting Cluster Nodes.

>> what is VIP, SCAN IP , Private and Public IP In RAC.

 

11. RAC Database Administration

>> Oracle RAC specific parameters In Init/spfile.

>> Difference between pfile and spfile in RAC database

>> Use of password file for RAC database

>> How to manage the Redo Log Files and Control file.

>> UNDO & TEMP Tablespaces use cases.

 

12. Backup and Recovery in Oracle RAC Database

>> Backup strategy Understanding in RAC.

>> Types of Backups in RAC.

>> Recoveries scenarios in RAC.

 

13. Networking setup in RAC ( Listeners in Cluster ware / Local )

>> Grid / ASM Listeners.

>> Remote / SCAN Listeners (Remote Listeners).

>> Local Database Listeners (Local Listeners).

 

14. RAC Database Multitenant Architecture vs Non Multitenant Architecture

>> Oracle Multitenant Architecture In-detail.

>> what are CDB and PDB databases.

>> How to Install the Pluggable database(PDB).

>> How to Clone Pluggable Database(PDB).

 

15. ASM Cluster Filesystem (ACFS) Configuration and Administration

>> How to Configure ACFS in Linux.

>> How to Administering & Managing ACFS.

 

16. Patching Oracle RAC and RAC Databases

>> What are the OPatch Vs opatchauto utilities.

>> How to Patch Oracle Cluster ware.

>> How to Patch RAC Oracle Home.

>> How to Patch RAC Databases.

>> what is Datapatch.

 

17. Oracle Cluster/Grid and Database Upgradation from lower version to Higher

>> Pre-Upgrade steps.

>> How many ways we can perform db and grid  upgrade.

>> Post-upgrade steps.

 

18. How to perform Node Addition and Deletion in RAC

>> Pre-requisites for node addition.

>> Node addition steps

>> post node addition steps.

>> Pre-requisites for node deletion.

>> Node deletion steps

>> post node deletion steps.

 

19. How to Convert the Single Instance to RAC using DBCA / OEM / RCONFIG etc.

 

**20. Interview Preparation Tips and Mock Interviews to crack Realtime Interviews.

**21. Resume / CV Preparation Tips and suggestions.


Thanks,

Srini

Sunday, 26 January 2025

How to Apply Latest Jan-2025 RU patches on Oracle 19C DB

 Hi All,


In this post i am sharing how to download and apply oracle 19c Jan 2025 RU patches .

Download the patches from support.oracle.com and copy to your local machine and then do the unzip and start pre-requisites.

reference patch information Metalink id.




 Select the latest RU patch number and click .


select the database RU or Grid RU as per your requirement.




read the readme file and click on download .





download InProgress 




then copy the patches to database server unzip and do the pre-requisites checks.

check the opatch version




 



we met the opatch version so no need to upgrade opatch version.




copy patch from local system to database server using winscp.





unzip the patch and check pre-requisites 

unzip p37260974_190000_Linux-x86-64.zip

cd 37260974

opatch prereq CheckConflictAgainstOHWithDetail -ph ./



unzip completed 





take invalid object count and stop the database and listener apply the patch using opatch.




start applying the patch.







patch applied successfully 

start the database and listener 








run the datapatch verbose ... 





Release the instance for business.

 

Thanks,

Srini