Relocating the OCR/Voting disks for a 12c RAC

There are many examples of this one, this is again more for my benefit than anyone else’s.

The following shows relocating the OCR and voting disks on a 12c RAC.

No downtime is needed.  You only need to execute these commands on one node.  Log in as root and source the Grid Infrastructure environment to make these changes:

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Oracle 12cR1 12.1.0.1 2-node RAC on CentOS 6.4 on VMware Workstation 9 – Introduction

A couple of weeks ago, Oracle released the long awaited Oracle 12c database, with lots of exciting new features.

A couple of great blog posts have already been done on how to install this, but from what I have seen they rely on Oracle’s OVM technology and/or Oracle Enterprise Linux.

This blog post is a detailed step-by-step of Oracle 12cR1 RAC using VMware Workstation and CentOS 6.4.

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Oracle 12cR1 12.1.0.1 2-node RAC on CentOS 6.4 on VMware Workstation 9 – Part XI

Time Required: 20 minutes

Class Materials:

  • Completed Oracle 12c install

The next step is to create a new 12c database!

The dbca is still the method used to create a new database in 12c. But before we launch the installer, we will modify the /etc/oratab file.

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Oracle 12cR1 12.1.0.1 2-node RAC on CentOS 6.4 on VMware Workstation 9 – Part X

Time Required: 60 minutes

Class Materials:

  • Oracle 12cR1 Database software

The next step is to install the Oracle 12c database software.

The database install process is largely unchanged from the 11g installer, so this should be familiar terriroty to most DBAs.

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Oracle 12cR1 12.1.0.1 2-node RAC on CentOS 6.4 on VMware Workstation 9 – Part IX

Oracle 12cR1 12.1.0.1 2-node RAC on CentOS 6.4 on VMware Workstation 9 – Part IX

Time Required: 60 minutes

Class Materials:

  • Oracle 12cR1 Grid Infrastructure software

Now that we have completed all the preparation steps and the grid pre-install steps, we can install the 12c Oracle Grid Infrastructure software.

The Grid Infrastructure will provide the Cluster software that allows the RAC nodes to communicate, as well as the ASM software to manage the shared disks.

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