How to Install RAC 11g?

How to Install RAC 11g?

Install the Grid Infrastructure. Start both RAC nodes, login to ol5-112-rac1 as the oracle user and start the Oracle installer. Select the “Install and Configure Grid Infrastructure for a Cluster” option, then click the “Next” button. Select the “Advanced Installation” option, then click the “Next” button.

How to Install Oracle RAC?

Step By Step Guide To Install Oracle 19c RAC installation Using…

1. Oracle virtual box setup.
2. install OEL 7.3.
3. DNS nameserver configuration.
4. Copy the Virtual Box.
5. Creating a Shared Disk.
6. Configure Oracle ASM.
7. Pre-check for RAC Setup.
8. Install and Configure Oracle Grid Infrastructure for a Cluster.

What are the prerequisites for RAC setup?

When you configure the network for Oracle RAC and Oracle Clusterware, each node in the cluster must meet the following requirements:

• Each node must have at least two network interface cards (NIC), or network adapters.
• Public interface names must be the same for all nodes.

What is RAC in Oracle 11g?

Oracle Real Application Clusters (RAC) allow customers to run a single Oracle Database across multiple servers in order to maximize availability and enable horizontal scalability, while accessing shared storage.

How install RAC on Vmware Linux?

Install the Grid Infrastructure. Start the RAC1 and RAC2 virtual machines, login to RAC1 as the oracle user and start the Oracle installer. Select the “Install and Configure Grid Infrastructure for a Cluster” option, then click the “Next” button. Select the “Typical Installation” option, then click the “Next” button.

What is Oracle RAC architecture?

RAC Architecture. Oracle Real Application clusters allows multiple instances to access a single database, the instances will be running on multiple nodes. In an standard Oracle configuration a database can only be mounted by one instance but in a RAC environment many instances can access a single database.

What is RAC install?

In database computing, Oracle Real Application Clusters (RAC) — an option for the Oracle Database software produced by Oracle Corporation and introduced in 2001 with Oracle9i — provides software for clustering and high availability in Oracle database environments.

What is one node RAC concept?

RAC One Node is a multiple-instance of RAC running on a single node in a cluster and has a fast instance relocation feature in the event of a catastrophic or instant server failure. RAC works as a live-live solution.

What is startup sequence in Oracle 11g RAC?

Brief explanation of the startup sequence. The init tab file is the one it triggers oracle high availability service daemon. When a node of an Oracle Clusterware cluster starts, OHASD is started by platform-specific means like init. d in Linux. OHASD is the root for bringing up Oracle Clusterware.

Why was RAC needed?

RAC allows us to connect multiple low cost machines together in order to provide the same capability of a single large system, with the added benefit of high availability. For instance, we can use 4 16 CPU systems instead of a single 64 CPU server.

Can you run Oracle RAC on VMware?

A database administrator should work with a VMware and storage administrator to successfully install Oracle RAC on VMware technology. system and Oracle RAC software is the same as with a physical installation. LUNs and maximizing I/O performance, are the same as with a physical installation.

How can I update my RAC database from 11g to 12C?

Main steps :

1. Check all services are up and running from 11gR2 GRID_HOME.
2. Perform backup of OCR, voting disk and Database.
3. Create new directory for installing 12C software on both RAC nodes.
4. Run “runcluvfy.sh” to verify errors .
5. Install and upgrade GRID from 11gR2 to 12cR1.
6. Verify upgrade version.

Do you have to install grid for Oracle RAC 11g?

You must install the grid infrastructure in order to use Oracle RAC 11 g Release 2. Configuration assistants start after the installer interview process that configure ASM and Oracle Clusterware.

How to configure Oracle Database vault after installing RAC?

To configure Oracle Database Vault after installing Oracle RAC: Install the Oracle RAC Enterprise Edition database. Stop all database processes. Enter the following commands: Start up all Oracle RAC processes. Start DBCA, and select the option Configure Database. In the component list, select Oracle Label Security and Oracle Database Vault.

How can I get my RAC to work?

This procedure provides a bare bones installation to get the RAC working. There is no redundancy in the Grid Infrastructure installation or the ASM installation. To add this, simply create double the amount of shared disks and select the “Normal” redundancy option when it is offered.

Can you install Oracle RAC on two nodes?

You can install Oracle RAC One Node on two or more nodes in the cluster. An Oracle RAC One Node installation starts up an instance on one of the nodes you select as an Oracle RAC One Node pool member. If that instance goes down, then the Oracle RAC One Node instance is started up on another pool member using Online Database Relocation.