Advanced Installation Oracle Grid Infrastructure for a Cluster Preinstallation Tasks.This chapter describes the system configuration tasks that you must complete.Www. puschitz. com This article is a step by step guide for tuning and optimizing Red Hat Enterprise Linux on x86 and x8664 platforms running Oracle 9i 32bit64bit.Configuring Storage for Oracle Grid Infrastructure for a Cluster and Oracle RAC.This chapter describes the storage configuration tasks that you must complete.Install Ocfs2 On Red Hat 6 Network Configuration' title='Install Ocfs2 On Red Hat 6 Network Configuration' />Advanced Installation Oracle Grid Infrastructure for a Cluster Preinstallation Tasks.This chapter describes the system configuration tasks that you must complete before you start Oracle Universal Installer OUI to install Oracle Grid Infrastructure for a cluster, and that you may need to complete if you intend to install Oracle Real Application Clusters Oracle RAC on the cluster.This chapter contains the following topics 2.About Installing the Linux Operating System.Note. Ensure you have minimum hardware configuration completed before installing the operating system.This section provides information about installing a supported Linux distribution.It contains the following topics 2.Completing a Minimal Linux Installation.To complete a minimal Linux installation, select one of the minimal installation options either a custom installation where you select the Minimal option from Package Group Selection, or where you deselect all packages except for the Base pack.This installation lacks many RPMs required for database installation, so you must use an RPM package for your Oracle Linux release to install the required packages.The package you use depends on your Linux release, and your support status with Unbreakable Linux Network ULN.Note. The Oracle Preinstallation RPM installs the X1.X Window System server packages.To use graphical user interfaces such as OUI, configuration assistants, and Oracle Enterprise Manager, set the display to a system with X Window System server packages.Refer to the following URL for documentation regarding installation of a reduced set of packages https support.CSPmainarticle NOT id7.Note. If you are not a member of Unbreakable Linux Network or Red Hat Support network, and you are a My Oracle Support customer, then you can download instructions to configure a script that documents installation of a reduced set of packages.CSPmainarticle NOT id5.You can also search for Linux reduced set of packages to locate the instructions.SSH is required for Oracle Grid Infrastructure installation.Open. SSH should be included in the Linux distribution minimal installation.To confirm that SSH packages are installed, enter the following command.If you do not see a list of SSH packages, then install those packages for your Linux distribution.Note. The Oracle Preinstallation RPM installs the X1.X Window System server packages.To use graphical user interfaces such as OUI, configuration assistants, and Oracle Enterprise Manager, set the display to a system with X Window System server packages.Completing a Default Linux Installation.If you do not install the Oracle Preinstallation RPM, then Oracle recommends that you install your Linux operating system with the default software packages RPMs.This installation includes most of the required packages and helps you limit manual verification of package dependencies.Oracle recommends that you do not customize the RPMs during installation.For information about a default installation, log on to My Oracle Support https support.Search for default rpms linux installation, and look for your Linux distribution.For example https support.CSPmainarticle NOT idID 4.After installation, review system requirements for your distribution to ensure that you have all required kernel packages installed, and complete all other configuration tasks required for your distribution and system configuration.About Oracle Linux and the Unbreakable Enterprise Kernel.Oracles Unbreakable Enterprise Kernel delivers the latest innovations from upstream development to customers who run Red Hat Enterprise Linux RHEL 5 or Oracle Linux 5 in the data center.The Unbreakable Enterprise Kernel is included and enabled by default starting with Oracle Linux 5 Update 6.The Unbreakable Enterprise Kernel is based on a recent stable mainline development Linux kernel, and also includes optimizations developed in collaboration with Oracle Database, Oracle middleware, and Oracle hardware engineering teams to ensure stability and optimal performance for the most demanding enterprise workloads.Oracle highly recommends deploying the Oracle Unbreakable Enterprise Kernel in your Linux environment, especially if you run enterprise applications.However, using Oracle Unbreakable Enterprise Kernel is optional.If you require strict RHEL kernel compatibility, then Oracle Linux also includes a kernel compatible with the RHEL Linux kernel, compiled directly from the RHEL source code.You can obtain more information about the Oracle Unbreakable Enterprise Kernel for Linux at the following URL http www.The Oracle Unbreakable Enterprise Kernel for Linux is the standard kernel used with Oracle products.The build and QA systems for Oracle Database and other Oracle products use the Oracle Unbreakable Enterprise Kernel for Linux exclusively.The Oracle Unbreakable Enterprise Kernel for Linux is also the kernel used in Oracle Exadata and Oracle Exalogic systems.Oracle Unbreakable Enterprise Kernel for Linux is used in all benchmark tests on Linux in which Oracle participates, as well as in the Oracle Preinstallation RPM program for x.Ksplice, which is part of Oracle Linux, updates the Linux operating system OS kernel, while it is running, without requiring restarts or any interruption.Ksplice is available only with Oracle Linux.About the Oracle Preinstallation and Oracle Validated RPMs.If your Linux distribution is Oracle Linux and you are an Oracle Linux customer, then you can complete most preinstallation configuration tasks by using the Oracle Preinstallation RPM or Oracle Validated RPM for your release, which is available from the Oracle Linux Network, or available on the Oracle Linux DVDs.Using the Oracle Preinstallation RPM is not required, but Oracle recommends you use it to save time in setting up your cluster servers.When it is installed, the Oracle Preinstallation RPM or Oracle Validated RPM does the following Automatically downloads and installs any additional RPM packages needed for installing Oracle Grid Infrastructure and Oracle Database, and resolves any dependencies.Creates an oracle user, and creates the ora.Inventory oinstall and OSDBA dba groups for that user.As needed, sets sysctl.Oracle Preinstallation RPM program.Sets hard and soft resource limits.Sets other recommended parameters, depending on your kernel version.To become an Oracle Linux Network customer, contact your sales representative, or purchase a license from the Oracle Linux store https shop.To register your server on the Unbreakable Linux Network, or to find out more information, see the following URL https linux.If you are using Oracle Linux 5.Oracle Preinstallation RPM is included on the install media.Note. The Oracle Preinstallation RPM designated for each Oracle Database release sets kernel parameters and resource limits only for the user account oracle.To use multiple software account owners, you must perform system configuration for other accounts manually. Where To Get A Fishing License In Watertown Ny Restaurants here. You can obtain Linux kernels from the Oracle Linux public Yum repository.The public Yum repository for Oracle Linux 4, Oracle Linux 5 and Oracle Linux 6 is available at the following URL http public yum.To become an Unbreakable Linux Network customer, contact your sales representative, or purchase a license from the Unbreakable Linux store https shop.To register your server on the Unbreakable Linux Network, or to find out more information, refer to the following URL https linux.If you are using Oracle Linux 4.Oracle Linux 5. 2 and higher, then the Oracle Preinstallation or Oracle Validated RPM is included on the install media.Note. The Oracle Preinstallation RPM sets kernel parameters and resource limits only for the user account oracle.To use multiple software account owners, you must perform system configuration for other accounts manually.In addition, users and groups are created using the next available ID numbers.If server group and user IDs are not identical on the cluster nodes where you run the Oracle Preinstallation RPM, then it is possible that these ids will be different on the nodes, and the different group and user IDs will cause installation to fail.To avoid this issue, run the command iduser on all nodes, where user is the software owner user account.If group or user IDs are not identical on all the nodes, then change them as necessary to ensure that they are identical.Configuring Storage for Oracle Grid Infrastructure for a Cluster and Oracle RACThis chapter describes the storage configuration tasks that you must complete before you start the installer to install Oracle Clusterware and Oracle Automatic Storage Management Oracle ASM, and that you must complete before adding an Oracle Real Application Clusters Oracle RAC installation to the cluster.Reviewing Oracle Grid Infrastructure Storage Options.This section describes supported options for storing Oracle Grid Infrastructure for a cluster storage options.It contains the following sections See Also.The Oracle Certification site on My Oracle Support for the most current information about certified storage options.Overview of Oracle Clusterware and Oracle RAC Storage Options.There are two ways of storing Oracle Clusterware files Oracle Automatic Storage Management Oracle ASM You can install Oracle Clusterware files Oracle Cluster Registry and voting disk files in Oracle ASM disk groups.Oracle ASM is the required database storage option for Typical installations, and for Standard Edition Oracle RAC installations.It is an integrated, high performance database file system and disk manager for Oracle Clusterware and Oracle Database files.It performs striping and mirroring of database files automatically.A supported shared file system Supported file systems include the following Network File System NFS Note that if you intend to use NFS for your data files, then you should create partitions large enough for the database files when you create partitions for Oracle Grid Infrastructure.NFS mounts differ for software binaries, Oracle Clusterware files, and database files.Note Placing Oracle Grid Infrastructure for a cluster binaries on a cluster file system is not supported.You can no longer use OUI to install Oracle Clusterware or Oracle Database files on block or raw devices.See Also. My Oracle Support for supported file systems and NFS or NAS filers.Oracle ACFS and Oracle ADVM Support.Oracle Automatic Storage Management Cluster File System Oracle ACFS extends Oracle ASM technology to support of all of your application data in both single instance and cluster configurations.Oracle Automatic Storage Management Dynamic Volume Manager Oracle ADVM provides volume management services and a standard disk device driver interface to clients.Oracle Automatic Storage Management Cluster File System is layered on Oracle ASM through the Oracle Automatic Storage Management Dynamic Volume Manager interface.Oracle ACFS and Oracle ADVM are supported on Oracle Linux 5 and Red Hat Enterprise Linux 5 for Linux x.Linux x. 86 6. 4.Table 3 1 lists the releases, platforms and kernel versions that support Oracle ACFS and Oracle ADVM.Table 3 1 Platforms that Support Oracle ACFS and Oracle ADVMRelease.PlatformOperating system.Linux x. 86 Oracle Linux 5 and Red Hat Enterprise Linux 5.Linux x. 86 6. 4 Oracle Linux 5 and Red Hat Enterprise Linux 5.Linux x. 86 6. 4 Oracle Linux 5, Red Hat Enterprise Linux 5, SUSE Linux Enterprise Server 1.SP3 and later. 2.Linux x. 86 6. 4 Oracle Linux 5, Red Hat Enterprise Linux 5, SUSE Linux Enterprise Server 1.SP3 and later, SUSE Linux Enterprise Server 1.SP1. 2. 6. 1. 8, and later updates to 2.Oracle Unbreakable Enterprise Kernel 2.Linux x. 86 6. 4 Oracle Linux 6 with Oracle Unbreakable Linux KernelOracle Unbreakable Enterprise kernel 2.Oracle Grid Infrastructure PSULinux x.Red Hat Enterprise Linux 6, Oracle Linux with the Red Hat Compatible Kernel.Oracle Grid Infrastructure PSULinux x.Red Hat Enterprise Linux 6, Oracle Linux with the Red Hat Compatible Kernel.Oracle Grid Infrastructure PSULinux x.Oracle Linux 6 with Oracle Unbreakable Enterprise Kernel, SUSE Linux Enterprise Server 1.SP2. Oracle Unbreakable Enterprise Kernel 2.Linux x. 86 6. 4 SUSE Linux Enterprise Server 1.SP3 Note. Deployment of Security Enhanced Linux SELinux is not supported on Oracle ACFS file systems.General Information About Oracle ACFSOracle Automatic Storage Management Cluster File System Oracle ACFS provides a general purpose file system.You can place Oracle Database binaries on this system, but you cannot place Oracle data files or Oracle Clusterware files on Oracle ACFS.Note the following about Oracle ACFS Oracle Restart does not support root based Oracle Clusterware resources.For this reason, the following restrictions apply if you run Oracle ACFS on an Oracle Restart Configuration.You must manually load and unload Oracle ACFS drivers.You must manually mount and unmount Oracle ACFS file systems, after the Oracle ASM instance is running.You can place Oracle ACFS database home file systems into the Oracle ACFS mount registry, along with other registered Oracle ACFS file systems.You cannot put Oracle Clusterware binaries and files on Oracle ACFS.You cannot put Oracle Database files on Oracle ACFS.You can put Oracle Database binaries and administrative files for example, trace files on Oracle ACFS.Oracle ACFS provides a general purpose file system for other files.General Storage Considerations for Oracle Grid Infrastructure and Oracle RACFor all installations, you must choose the storage option to use for Oracle Grid Infrastructure Oracle Clusterware and Oracle ASM, and Oracle Real Application Clusters Oracle RAC databases.To enable automated backups during the installation, you must also choose the storage option to use for recovery files the Fast Recovery Area.You do not have to use the same storage option for each file type.General Storage Considerations for Oracle Clusterware.Oracle Clusterware voting disks are used to monitor cluster node status, and Oracle Cluster Registry OCR files contain configuration information about the cluster.You can place voting disks and OCR files either in an Oracle ASM disk group, or on a cluster file system or shared network file system.Storage must be shared any node that does not have access to an absolute majority of voting disks more than half will be restarted.General Storage Considerations for Oracle RACUse the following guidelines when choosing the storage options to use for each file type You can choose any combination of the supported storage options for each file type provided that you satisfy all requirements listed for the chosen storage options.If you plan to install an Oracle RAC home on a shared OCFS2 location, then you must upgrade OCFS2 to at least version 1.Oracle recommends that you choose Oracle ASM as the storage option for database and recovery files.For Standard Edition Oracle RAC installations, Oracle ASM is the only supported storage option for database or recovery files.If you intend to use Oracle ASM with Oracle RAC, and you are configuring a new Oracle ASM instance, then your system must meet the following conditions All nodes on the cluster have Oracle Clusterware and Oracle ASM 1.Oracle Grid Infrastructure for a cluster installation.Any existing Oracle ASM instance on any node in the cluster is shut down.Raw or block devices are supported only when upgrading an existing installation using the partitions already configured.On new installations, using raw or block device partitions is not supported by Oracle Automatic Storage Management Configuration Assistant ASMCA or Oracle Universal Installer OUI, but is supported by the software if you perform manual configuration.If you do not have a storage option that provides external file redundancy, then you must configure at least three voting disk areas to provide voting disk redundancy.Guidelines for Using Oracle ASM Disk Groups for Storage.During Oracle Grid Infrastructure installation, you can create one disk group.After the Oracle Grid Infrastructure installation, you can create additional disk groups using ASMCA, SQLPlus, or ASMCMD.Note that with Oracle Database 1.Oracle Database Configuration Assistant DBCA does not have the functionality to create disk groups for Oracle ASM.If you install Oracle Database or Oracle RAC after you install Oracle Grid Infrastructure, then you can either use the same disk group for database files, OCR, and voting disk files, or you can use different disk groups.If you create multiple disk groups before installing Oracle RAC or before creating a database, then you can decide to do one of the following Place the data files in the same disk group as the Oracle Clusterware files.Use the same Oracle ASM disk group for data files and recovery files.
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