Preparing Your Cluster. This chapter contains the information that your system administrator and network administrator need to help you, as the DBA, configure two nodes in your cluster. This chapter assumes a basic understanding of the Linux operating system. In some cases, you may need to refer to details in Oracle Real Application Clusters Installation Guide for Linux and UNIX. In addition, you must have root or sudo privileges to perform certain tasks in this chapter or Administrator privileges on Windows systems. Verifying System Requirements. Before you begin your installation, you should check to ensure that your system meets the requirements for Oracle Real Application Clusters Oracle RAC. The requirements can be grouped into the following three categories Checking Operating System Certifications. You must ensure that you have a certified combination of the operating system and the Oracle Database software. Refer to My Oracle Support formerly Oracle. Meta. Link certification, which is located at the following Web sitehttps support. You can find certification information by selecting the Certifications tab. You can also search for support notes for instructions on how to locate the Certification information for your platform. Note. Oracle Universal Installer verifies that your server and operating system meet the listed requirements. OBR/10.10/OBR_Interactive_Installation/OBR_Interactive_Installation/Content/Resources/_HP_iDoc_Resources/Graphics/OBR_10.10_installerpics/Install19.png' alt='Check Installed Patches Hp Ux Ifconfig' title='Check Installed Patches Hp Ux Ifconfig' />However, you should check the requirements before you start Oracle Universal Installer to ensure your server and operating system meet the requirement. This helps to avoid delays in the software installation process that you might incur if your hardware or software is not certified. About Hardware Requirements. Each node you make part of your cluster, or Oracle Clusterware and Oracle RAC installation, must satisfy the minimum hardware requirements of the software. These hardware requirements can be categorized as follows Note. When you install Oracle software, Oracle Universal Installer OUI automatically performs hardware prerequisite checks and notifies you if they are not met. Physical memory at least 1. GB of RAMAn amount of swap space equal to the amount of RAMTemporary space at least 1 GB available in tmp. A processor type CPU that is certified with the release of the Oracle software being installed. A minimum of 1. 02. Oracle Universal Installer OUI displays correctly. This section is designed to be the PTES technical guidelines that help define certain procedures to follow during a penetration test. Something to be aware of is that. In todays post I will discuss on steps you should doneed for Oracle Apps R12 installation. Most of these steps are written w. Installation on Linux but I. Patch Depot tutorial. So you downloaded your QPK after doing swainv analysis of what patches your HPUX server fleet needs. You have a bundle, but you do not want the. Find and contact HP Customer Support, download drivers, manuals and troubleshooting information for HP products, including pcs, laptops, desktops, printers, tablets. Check Installed Patches Hp Ux Ifconfig' title='Check Installed Patches Hp Ux Ifconfig' />All servers that are used in the cluster must have the same chip architecture, for example, all 3. Adequate disk space in the software installation locations to store the Oracle software. Server Release info cat etcrelease cat etcenterpriserelease cat etcredhatrelease lsbrelease a cat procversion. You need at least 5. GB of available disk space for the Grid home directory, which includes both the binary files for Oracle Clusterware and Oracle Automatic Storage Management Oracle ASM and their associated log files, and at least 4 GB of available disk space for the Oracle Database home directory, or Oracle home directory. About Shared Storage. An Oracle RAC database is a shared everything database. All data files, control files, redo log files, and the server parameter file SPFILE used by the Oracle RAC database must reside on shared storage that is accessible by all the Oracle RAC database instances. The Oracle RAC installation demonstrated in this guide uses Oracle ASM for the shared storage for Oracle Clusterware and Oracle Database files. Oracle Clusterware achieves superior scalability and high availability by using the following components Voting diskManages cluster membership and arbitrates cluster ownership between the nodes in case of network failures. The voting disk is a file that resides on shared storage. For high availability, Oracle recommends that you have multiple voting disks, and that you have an odd number of voting disks. If you define a single voting disk, then use mirroring at the file system level for redundancy. Oracle Cluster Registry OCRMaintains cluster configuration information and configuration information about any cluster database within the cluster. The OCR contains information such as which database instances run on which nodes and which services run on which databases. The OCR also stores information about processes that Oracle Clusterware controls. The OCR resides on shared storage that is accessible by all the nodes in your cluster. Oracle Clusterware can multiplex, or maintain multiple copies of, the OCR and Oracle recommends that you use this feature to ensure high availability. Note. If you choose not to use Oracle ASM for storing your Oracle Clusterware files, then both the voting disks and the OCR must reside on a cluster file system that you configure before you install Oracle Clusterware in the Grid home. These Oracle Clusterware components require the following disk space on a shared file system Three Oracle Clusterware Registry OCR files, 3. MB each, or 9. 00 MB total disk space. Three voting disk files, 3. MB each, or 9. 00 MB total disk space. If you are not using Oracle ASM for storing Oracle Clusterware files, then for best performance and protection, you should use multiple disks, each using a different disk controller for voting disk file placement. Ensure that each voting disk is configured so that it does not have share any hardware device or have a single point of failure. About Network Hardware Requirements. Oracle Clusterware requires that you connect the nodes in the cluster to a private network by way of a private interconnect. The private interconnect is a separate network that you configure between cluster nodes. The interconnect serves as the communication path between nodes in the cluster. This interconnect should be a private interconnect, meaning it is not accessible to nodes that are not members of the cluster. The interconnect used by Oracle RAC is the same interconnect that Oracle Clusterware uses. Each cluster database instance uses the interconnect for messaging to synchronize the use of shared resources by each instance. Oracle RAC also uses the interconnect to transmit data blocks that are shared between the instances. 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. One adapter is for the public network interface and the other adapter is for the private network interface the interconnect. Install additional network adapters on a node if that node meets either of the following conditions Does not have at least two network adapters. Has two network interface cards but is using network attached storage NAS. You should have a separate network adapter for NAS. Has two network cards, but you want to use redundant interconnects. In previous releases, to make use of redundant networks for the interconnect, bonding, trunking, teaming, or similar technology was required. Oracle Grid Infrastructure for a cluster and Oracle RAC can now make use of redundant network interconnects, without the use of other network technology, to enhance optimal communication in the cluster. This functionality is available starting with Oracle Database 1. Release 2 1. 1. 2. Redundant Interconnect Usage enables load balancing and high availability across multiple up to 4 private networks also known as interconnects. Clat Question Paper 2012 Download. Public interface names must be the same for all nodes. If the public interface on one node uses the network adapter eth. Network interface names are case sensitive. You should configure the same private interface names for all nodes as well. If eth. 1 is the private interface name for the first node, then eth. Network interface names are case sensitive. The network adapter for the public interface must support TCPIP. The network adapter for the private interface must support the user datagram protocol UDP using high speed network adapters and a network switch that supports TCPIP Gigabit Ethernet or better. Note You must use a switch for the interconnect. Oracle recommends that you use a dedicated network switch.