ORACLE - DBA Tips Corner. Building an Inexpensive Oracle RAC 1. R1 on Linux - (RHEL 5)by Jeff Hunter, Sr. Database Administrator. Contents. Overview. Oracle RAC 1. 1g Overview. In the first post, we started with a fresh install of Ubuntu server and finished with logging into the ownCloud web portal for the first time. Tips for creating, installing, developing and managing Microsoft Windows Services. Run GUI or daemon services, learn about Session 0 Isolation, delay service startup. A network or network infrastructure is the grouping of hardware devices and software components needed to connect devices within an organization and to connect the. Deployment and Installation Guide for Cisco Jabber, Release 10.5 -Requirements. Shared- Storage Overviewi. SCSI Technology. Hardware and Costs. Install the Linux Operating System. Install Required Linux Packages for Oracle RACNetwork Configuration. Install Openfiler. Configure i. SCSI Volumes using Openfiler. Configure i. SCSI Volumes on Oracle RAC Nodes. Create . In learning this new technology, you will soon start. Oracle RAC 1. 1g has to offer like fault tolerance. The following sections describe the Cisco AnyConnect Secure Mobility client VPN profile and features, and how to configure them: Creating and Editing an AnyConnect. You just clipped your first slide! Clipping is a handy way to collect important slides you want to go back to later. Now customize the name of a clipboard. The Oracle Clusterware software will be installed to /u01/app/crs on both of the nodes that make up the RAC cluster. Oracle Clusterware should be installed in. This guide is intended for use by professional network and system administrators during the operation of SUSE. As such, it is solely concerned with. September 13 @ 12pm ET: Don’t go public with your Private Cloud September 13 @ 2pm ET: Building a Bridge to the Hybrid Cloud September 14: Discovering. After you complete this chapter, you should be able to answer the following questions: What is an R/3 system? What is an R/3 instance? In most cases, this would be a Storage Area Network (SAN). US$1. 0,0. 00. The system. Linux. (Cent. OS 5. Oracle 1. 1g Release 1 for Linux x. OCFS2, and ASMLib 2. All shared disk storage for Oracle RAC. Network Storage Server; namely. Openfiler Release 2. A 5. 00. GB internal hard drive will be connected to the. Openfiler server) through an internal embedded SATA II controller. The Openfiler server will be configured to. SCSI based storage and will be used in our Oracle RAC 1. Oracle Clusterware as well as all. Oracle ASM volumes. The two Oracle RAC nodes will be configured as follows. Oracle Database Files. RAC Node Name. Instance Name. Database Name$ORACLE. These two files will. Oracle's Cluster File System, Release 2 (OCFS2). The Oracle database files can just as easily be. OCFS2. Using ASM, however, makes the article that much more. A cluster is a group of two or more. The key benefit of clustering. In the case of failure. The first successful cluster product was developed by Data. Point in 1. 97. 7 named ARCnet. It wasn't until the 1. Digital Equipment. Corporation (DEC) released its VAX cluster product for the VAX/VMS operating system. Oracle decided to design and write their own. DLM for the VAX/VMS cluster product which provided the fine- grain block level locking. Oracle's own DLM was included in Oracle 6. Oracle Parallel Server (OPS) - the first database to run the parallel server. This framework required. By Oracle 8, Oracle introduced a. Oracle kernel. In later releases of. Oracle, this became known as the Integrated Distributed Lock Manager (IDLM) and relied. Operating System Dependant (OSD) layer. This new model. paved the way for Oracle to not only have their own DLM, but to also create their own clusterware. Using the same IDLM, Oracle 9i could still rely. Cluster Ready Services (CRS). With Oracle 9i, CRS was only available for Windows and Linux. By Oracle 1. 0g, Oracle's. With the release of. Oracle Database 1. Release 2 (1. 0. 2), Cluster Ready Services was renamed to Oracle Clusterware. This guide uses Oracle Clusterware 1. RAC provides fault tolerance, load balancing, and. Each instance in the. The data disks must. The other instances in the cluster must be able to access. With OPS a request for data from one instance to another required the. With cache fusion, data is passed. Some vendors use an approach. Federated Cluster, in which data is spread across several machines. With Oracle RAC, however, multiple instances use the same. Oracle's approach to clustering leverages the collective. This article, however. Oracle RAC 1. 1g environment for development. Linux servers and a low cost shared disk solution; i. SCSI. Protocols supported by Fibre Channel include SCSI. IP. Fibre channel configurations can support as many as 1. Gbps is expected. Just the fibre channel switch alone can start at around US$1,0. This. does not even include the fibre channel storage array and high- end drives. US$3. 00 for a 3. GB drive. A typical fibre channel setup. US$1. 0,0. 00. which does not include the cost of the servers that make up the cluster. SCSI technology provides. GPL- based Linux prices, even SCSI can come in over budget, at around. US$2,0. 00 to US$5,0. It can be used for. See the Certify page on Oracle Metalink for supported. Network Attached Storage (NAS) devices that can be used with Oracle RAC. One of the key drawbacks. NFS and NAS for database storage has been performance degradation. Standard NFS client software (client systems that use the. NFS driver) is not optimized for Oracle database file I/O access patterns. Direct NFS Client can simplify, and in many cases automate. NFS client configuration for database workloads. To learn more about. Direct NFS Client, see the Oracle White Paper entitled. Still today, however. FC SANs suffer from three major disadvantages. Since its adoption, many. Fibre Channel specifications. When purchasing Fibre Channel components from a common manufacturer. It requires a separate network technology along with a second. Today, i. SCSI SANs remain the leading competitor to FC SANs. Database servers depend on this. NAS systems) in order to work properly. The TCP/IP protocol, however, is very. CPU intensive. With i. SCSI, most of the processing of the data. TCP and i. SCSI) is handled in software and is much slower than Fibre Channel. The overhead incurred in mapping. SCSI command onto an equivalent i. SCSI transaction is excessive. For many. the solution is to do away with i. SCSI software initiators and invest in. TCP/IP and i. SCSI processing from a server's. CPU. These specialized cards are sometimes referred to as an i. SCSI Host Bus Adaptor (HBA). TCP Offload Engine (TOE) card. Also consider that 1. Gigabit Ethernet is a. The i. SCSI initiator software will. Oracle RAC nodes (linux. For the purpose. of this article, the node openfiler. SCSI target. Stallard Technologies, Inc.). The second NIC adapter. RAC interconnect and. Openfiler networked storage). Select the appropriate NIC adapter. The second NIC adapter. RAC interconnect and. Openfiler networked storage). Select the appropriate NIC adapter. The second NIC adapter. Openfiler networked storage). The Openfiler server. SCSI based storage and will be used in our. Oracle RAC 1. 1g configuration to store the shared files required by Oracle Clusterware. Oracle ASM volumes. For the purpose of this article, I used. Gigabit Ethernet switch (and 1. Gb Ethernet cards) for the private. However, as. the number of servers to manage increases, this solution becomes unfeasible. A more. practical solution would be to configure a dedicated computer which would include a single. A KVM switch is a hardware device that allows a user to control multiple. Avocent provides a high quality. Switch. View. The first task we need to perform is to install the. Linux operating system. As already mentioned. Cent. OS 5. 1. This is where Cent. OS comes in. This provides. Red Hat Enterprise Linux 5 (AS/ES) operating environment that. I can now use for. Oracle configurations. I have moved away from Fedora as I need a. Oracle supported operating system as possible. The following example uses x. For more detailed installation instructions, it. Red Hat Linux. http: //www. After completing. Linux installation on the first node, perform the same Linux installation. IP addresses were appropriate. If there. were any errors, the media burning software would have warned us. After several. seconds, the installer should then detect the video card, monitor, and mouse. Make the appropriate selection for your configuration. For most automatic layouts, the. MB for /boot, double the amount of RAM (systems with < 2. GB RAM). or an amount equal to RAM (systems with > 2. GB RAM) for swap, and the rest going to the. Starting with EL 4, the installer. Logical Volume Manager (LVM). For example, it will. LVM named Vol. Group. For example, to add another 5. MB to swap, you would. MB (i. e. 3. 6,0. MB - 5. 12. MB = 3. MB). When completed, click . This screen. should have successfully detected each of the network devices. Since we. will be using this machine to host an Oracle database, there will. The key point to make is that the machine should never be. DHCP since it will be used to host the Oracle database. You will need to configure the machine with static IP addresses. The installer may choose. Verify that the option . Click off the option for . Put eth. 1 (the interconnect) on. Check ON the option to . There are several other packages (RPMs), however, that. Oracle Database software. Most of the. packages required for the Oracle software are grouped into . Application - > Editors). For many of the. Linux package groups, not all of the packages associated with that group get selected. In fact, there are some packages. Oracle that do not belong to any of the available package groups. A complete list of required packages for Oracle Clusterware 1. Oracle RAC 1. 1g will be provided at the end of. These packages will need to be manually installed from the Cent. OS CDs after the operating system. For now, install the following package groups. Desktop Environments GNOME Desktop Environment Applications Editors Graphical Internet Text- based Internet Development Development Libraries Development Tools Legacy Software Development Servers Server Configuration Tools Base System Administration Tools Base Java Legacy Software Support System Tools X Window System. In addition to the above packages, select any. After selecting the. During the installation process, you will be asked to. CDs depending on which packages you selected to install. You have successfully installed Cent. OS. on the first node (linux. The installer will eject the CD from the. CD- ROM drive. Take out the CD and click . The. post installation wizard allows you to make final O/S configuration. For the purpose of this article, I will not be creating any additional. I will be creating the . When configuring the machine. For my. installation, this is what I configured for linux. First, make sure that each of the. The installer may. Verify that the option . Click off the option for . Put eth. 1 (the interconnect) on. Check ON the option to . Finish this dialog off. DNS servers. The Oracle Universal Installer (OUI) performs checks on your. To ensure that these checks complete successfully, verify the. Oracle installs. While it is possible to query each. Uvh Package. Name command from the. CDs as follows. For packages that already exist and are up to date. RPM command will simply ignore the install and print a warning message to the console that.
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