Configuring Oracle ASM Library Software to create Disk Groups – Part 3

Now as a next step, we have to configure Oracle ASM library software which will be used to Create ASM Disks Groups. Now mount the Oracle Enterprise Linux 6.7 in your Virtual Machine. By default its is not mounted as below: To mount it go to VM and Click on Settings: Now go to CD/DVDContinue reading “Configuring Oracle ASM Library Software to create Disk Groups – Part 3”

Getting Ready for ASM Disks in VMWare Workstation – Part 2

Now we have created 3 Disks in our VMWare Workstation. We will be partitioning those disks for ASM. Now check in /dev, you will find out 3 new devices /dev/sdc, /dev/sdd, /dev/sde. There are other two disks available /dev/sda (/dev/sda1,/dev/sda2) and /dev/sdb (/dev/sdb1) which is being used for OS. Now partition all 3 devices oneContinue reading “Getting Ready for ASM Disks in VMWare Workstation – Part 2”

Getting Ready for ASM Disks in VMWare Workstation – Part 1

In this Post i will be discussing about how to create disks for ASM. As a first Step we need to add 3 Disks to our Current Virtual Machine. Here we will be using 3 Disks. 1 – 20 GB for Data, 2 – 10 GB for Logs and 3- for CRS information that willContinue reading “Getting Ready for ASM Disks in VMWare Workstation – Part 1”

How to Run an ISO Image File in VirtualBox

Step by step – how to boot from iso file in Virtual Box. Before we configure from where we would like to boot, we must have the machine ready: Click Settings, go to Storage Option. Its empty as of now. Select IDE Primary Master, from Choose Virtual Optical Disk File, browse the iso file. ItContinue reading “How to Run an ISO Image File in VirtualBox”

How to change the default location of VM Guest Files in Virtual Box

Its very simple to change the default location to keep your guest OS files somewhere as per your own choice: Go to File->Preferences.. Change the location to your own choice, and Press OK below, so now whenever you create any machine with any name, this folder will create specific folder into this folder. Hope itContinue reading “How to change the default location of VM Guest Files in Virtual Box”

Prerequisite check “CheckActiveFilesAndExecutables” failed

Today i was trying to remove the Oracle Patch (21352646) from 11.2.0.4 HOME and Database which was recently applied by me on one of our test instance, however i faced the problem while doing that. ============================================================= [oracle@testdb 21352646]$ $ORACLE_HOME/OPatch/opatch nrollback -idFile $ORACLE_HOME/cpu/CPUOct2015/rollback_all.lst Oracle Interim Patch Installer version 11.2.0.3.12 Copyright (c) 2015, Oracle Corporation. All rightsContinue reading “Prerequisite check “CheckActiveFilesAndExecutables” failed”