Steps to Apply Combo Patch (Oct 2022) on Clusterware in Two Node RAC in Oracle In this article, we are going to demonstrate the Steps to Apply combo patch 34449117 (19.17.0.0.221018) of October 2022 on Oracle Clusterware in Two Node RAC version 19c. Here we will apply a combo patch 34449117 that contains two patches 34416665 (GRID) and 34411846 […]
How to Enable Passwordless SSH login in Linux PasswordLess SSH configuration is required to perform various types of activities at the time of installation to configure members of cluster nodes, after the installation assistant configuration, Opatch, Enterprise manager, and many other features/commands. We have two options to configure PasswordLess SSH either using OUI which creates […]
Step by Step Manual Upgrade Container (CDB-PDB) Database from 12c to 19c in Multitenant Architecture In a recent post, we demonstrated Step by Step Manual Upgrade Oracle Database from 12c to 19c, click here to read about it. In this article, we are going to demonstrate Step by Step Manual Upgrade Container (CDB-PDB) Database from 12c […]
Steps to Upgrade Grid Infra – Standalone (GI) and Oracle Database from 12.2 to 19.14 In recent two blogs, we discuss Applying the latest JAN-22 RU 33583921 on Grid Infra – Standalone and Database Home (OH) 12.2 Click here to read more. & Steps to Apply Database and Grid Infrastructure RU Patch Before Grid Infrastructure […]
How to Find Sessions In RAC Oracle All in One To find sessions in databases will be helpful to evaluate interim growth in sessions, to tune the database’s performance, to monitor application connected sessions, etc. Here we are going to show various scenarios to find connected sessions in RAC databases. Here we have a two-node […]
Starting and stopping an Oracle ASM instance for Noncluster Databases Oracle database is made up of memory structure, background processes, and database. This memory structure and background processes altogether called Oracle Instance. The same as Oracle Database Instance ASM(Automatic Storage Management) instance is also built. It’s also having separate SGA(System global area) and background processes. […]
What is Cluster and How can we find if a Database is running on Cluster Oracle Real Application Cluster provides its users to run a single database into multiple servers. These multiple servers act as a single system. It provides fast recovery at the time of any site failure. To avoid the outage and provide […]
ORA-01102: Cannot Mount Database in EXCLUSIVE mode When we are doing database refresh from Prod to Dev (lower environment), At that time we put the cluster database parameter to false. This parameter is spfile file specific, so we need to bounce the database. After the refresh completed successfully, we are trying to start the node, […]
Sometimes we need to fetch ASM diskgroup utilization of the database in Oracle. Below is the SQL query to find ASM diskgroup size in a database which includes Name, Total_GB, Free_GB, Used_GB and Free_percentage of the disk. SQL query to fetch ASM diksgroup size. Click here to get sample output. Click here to know about […]
How to add disks to ASM disk group in oracle using command line. Application team requested to create new user along with new tablespace. This is require to deploy new application to fulfil testing. As per requirement, we need additional space in our database. Below are the steps that we have to follow to add […]
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