Oracle Rac - Installing Oracle Linux 7.9


Pre-requisites : Oracle Virtual box
Click on new and Click Next
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Provide a Name eg.TESDBRAC, type as Linux and version as Oracle 64bit. Click Next
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Enter Memory value to 4GB and then click the Next button
Note : Oracle recommends at least 8 GB RAM for Oracle Grid Infrastructure installations.

If the production system does not have enough RAM, you will see instance evictions and node reboot that may not be very explainable very often.
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Provide the location where you want to save the VM files.Also enter the size of your vm from default to say 80GB and Click Create
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Once we click on Create we get TESDBRAC vm created as highlighted below:
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Click on General->Advanced and change shared clipboard to Bidirectional and Change Drag ‘n’ Drop to Bidirectional and click Ok
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Click on General->Storage Select OEL7.9 ISO and click ok
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Add two Adaptors :
1)public
2)private
Click on General->Network-Adapter 1
Make sure Adapter 1 is enabled, attached to Internal Network or Host-only Adapter or bridged adapter.
This interface will be used for public network, for example, for connection to the RAC database from applications
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Click on General->Network-Adapter 2
Make sure Adapter 2 is enabled and attach to bridged adapter. Name this network private network RAC


Click on General->Shared Folder this will be helpful to get any windows folder mounted on OEL 7.9 RAC

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Double Check before starting Linux installation and Click on the Start button RAC

Select the Oracle Linux ISO image and click the Start button.After starting we get below screen and select Install. RAC


Click Continue
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Click Continue
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This is main screen one by one we need to configure
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Select Region and city and press Done button
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Select following packages and click done button
Click the Samples :
  • Server with GUI
  • Hardware Monitoring Utilities
  • Large Systems Performance
  • Network file system client
  • Performance Tools
  • Compatibility Libraries
  • Development Tools

    • RAC

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    Next installation Destination-> select 80GB->I will configure partitioning and press Done button
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    Press + button and enter mount point /swap 9000MB
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    Press + button and enter mount point /
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    Select accept changes
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    Next Configure Network
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    Select IPv4 Settings tab and change Method to Manual;
    Press Add and fill Address: 192.168.1.66; Netmask: 255.255.255.0; Gateway: 192.168.1.1
    Press save then done
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    Select IPv4 Settings tab; change Method to Manual.
    Press Add and fill Address: 192.168.10.1; Netmask: 255.255.255.0; Gateway: 192.168.10.1
    Save and press done button
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    Double check all network is on
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    We completed the configuration.before starting installation double check everything looks good
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    Enter Root Password
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    Installation is completed just press reboot button
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    Select Accept button
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    Click Finish button
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    (Oracle Rac - Configuring Grid Cluster installation)