This article, however, uses manual procedures to add nodes and instances to the existing Oracle RAC.
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Select the appropriate NIC adapter that is compatible with the maximum data transmission speed of the network switch to be used for the private network.
For the purpose of this article, I used a Gigabit Ethernet switch (and a 1Gb Ethernet card) for the private network.
Install the Linux operation system on the new Oracle RAC node using the same procedures documented in the original guide describing the two-node Oracle RAC 11g Release 2 configuration.
When configuring the machine name and networking, ensure to follow the same conventions used in the existing Oracle RAC system.
The hardware used to build the third node in our example Oracle RAC 11g environment consists of a Linux server and components that can be purchased at many local computer stores or over the Internet.
Dual Core Intel(R) Xeon(R) E3110, 3.0 GHz, 6MB Cache, 1333MHz 4GB, DDR2, 800MHz 160GB 7.2K RPM SATA 3Gbps Hard Drive Integrated Graphics - (ATI ES1000) Integrated Gigabit Ethernet - (Broadcom(R) Net Xtreme IITM 5722) 16x DVD Drive No Keyboard, Monitor, or Mouse - (Connected to KVM Switch) Each Linux server for Oracle RAC should contain at least two NIC adapters.
The same security requirements hold true when extending Oracle RAC.
User equivalence will be configured so that the Oracle Grid Infrastructure and Oracle Database software will be securely copied from directories.
127.0.0.1 localhost.localdomain localhost # Public Network - (eth0) 192.168.1.151 racnode1.racnode1 192.168.1.152 racnode2.racnode2 # ping -c 3 racnode1.# ping -c 3 racnode2.# ping -c 3 racnode3.# ping -c 3 racnode1-priv.# ping -c 3 racnode2-priv.# ping -c 3 racnode3-priv.# ping -c 3 openfiler1.# ping -c 3 openfiler1-priv.# ping -c 3 racnode1 # ping -c 3 racnode2 # ping -c 3 racnode3 # ping -c 3 racnode1-priv # ping -c 3 racnode2-priv # ping -c 3 racnode3-priv # ping -c 3 openfiler1 # ping -c 3 openfiler1-priv The current Oracle RAC uses Oracle Cluster Time Synchronization Service (CTSS) as the network time protocol which means that the NTP service will need to be de-configured and de-installed on the new Oracle RAC node before installing Oracle Grid Infrastructure. The Oracle Grid Infrastructure and Oracle Database software is installed using the optional Job Role Separation configuration.