kfed script for ASM disk troubleshooting

Today we are going to learn about the kfed “script for ASM disk troubleshooting”  As per our new DBA in the journey of Database we are normally known about troubleshooting regards errors, Now we are going to learn about disk troubleshooting. Few lines of this post explain the definition. The kfed is an undocumented ASM utility that is […]

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ORA-27300: OS system dependent operation

In this article, we are going to have a look at ” ORA-27300″. In this article, we are going to learn how to solve this error. Let’s have fun with ORA-27300 During the creation of a new database for RAC environment using DBCA, It shows the error about invalid grid and diskgroup not mounted.

Cause I check […]

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Converting RAC DB to Non-RAC on Normal File System

To convert RAC to Non-RAC DB on normal file system we need to first convert it into ASM storage Converting RAC db to Non-RAC db In this article we will see conversion database from ASM to Normal File System : Step 1 : Check details of ASM database and create pfile from spfile :

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Convert Non ASM database to ASM Database using Duplicate Database command

You can use these steps to migrate a NON-ASM database to ASM database in Oracle 11gR2. Prerequisite – ASM instance should be created and up and running. Single Instance Non ASM DB name Single Instance ASM DB name test testdb Step 1 : Check details of Single Instance Database :

Optionally, we can check size […]

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Changing password securely in Oracle

I must thank my fellow DBA Franky Weber Faust for his publication in his blog. Introduction: – We are living in the world of username and password life. We all have countless password due to technology’s development. Password plays an important role in our life. Oracle Database leads the industry in security. To maximize the security […]

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ASM – (ACFS commands for multiple environments)

Overview of ACFS:- Oracle ACFS is designed as a general-purpose, single-node and cluster-wide file system that delivers support for customer file system application data maintained outside of Oracle Database. Users and applications can access and manage Oracle ACFS using native operating system file system application programming interfaces (APIs) and command-line interface (CLI) tools. Users can also […]

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ASM Clients

Being an Oracle DBA we have learned about ASM and its qualities. Today we are going to learn about ASM Clients.  We all are aware that Oracle ASM is a volume manager and file system for Oracle database files. Let’s start to have knowledge of ASM Client. Clients that connect directly to ASM. Oracle Database:-  This is […]

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ASM (Sector Size Validations)

From the technical background, we have an idea of Validations. I talk about normal life we notice that we have lots of Validations in our life. Let’s have look at today about ASM (Sector Size Validations). First few lines will explain the technical definition of  Validations. Validation is the name given to the process whereby the information entered […]

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ASM -(Sector Disk Drives)

This post is about ASM’s attribute deep knowledge. Before going ahead we must have an idea about the topic. Let’s some line must explain about  ASM -(Sector Disk Drives). The database and Oracle’s Automatic Storage Management (ASM) volume manager explicitly understood 4k devices. In this and subsequent versions of ASM, disk groups created on native mode […]

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ASM Disk Group Attributes

We are the part of RDBMS world. As a student when we entered in the world of RDBMS we learned about the attributes of the entity.  I hope you have the idea what we are going to do in this post.  As the heading of the post explains. Today we are going to have look at ASM Disk […]

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