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This manual provides information about installing and configuring Oracle9i Real Application Clusters (RAC) Release 2 on a Linux cluster that uses Red Hat GFS 6.0. It contains procedures for a sample cluster that can be used as a reference for your cluster. You should use this manual in conjunction with the appropriate guides for installing and maintaining Oracle9i RAC on a Linux cluster, and the Red Hat GFS Administrator's Guide for Red Hat GFS 6.0.
This chapter provides an introduction to the sample cluster used in the manual, requirements based on the sample cluster, and prerequisites for installing and configuring Oracle9i RAC on a Linux cluster with Red Hat GFS 6.0. The chapter consists of the following sections:
The sample cluster used in this manual consists of the following components (refer to Figure 1-1 and Figure 1-2):
A Red Hat GFS 6.0 cluster with four GFS nodes and three external lock servers
Three WTI network power switches (NPS)
A QLogic switch
An HP StorageWorks 1000 Modular Smart Array (MSA1000)
A private network (via a NETGEAR switch)
The GFS nodes are attached to the MSA1000 array via the QLogic switch. Also, the GFS nodes and the external lock-server nodes are connected to the WTI network power switches (NPS) for fencing. One power switch is connected to the GFS nodes, another power switch is connected to lock servers lock1 and lock2, and another power switch is connected to lock server lock3. The MSA1000 array is configured as follows:
Four 120-gigabyte LUNs (RAID 0)
Seven disks, each at 15,000 RPM
Twenty-eight spindles, total (over 2 shelves)
Table 1-1 lists the GFS node names and IP addresses for the public network and the private network. Table 1-2 lists the lock-server node names and IP addresses. Table 1-3 lists the network power switch node names, IP addresses, and nodes controlled. Table 1-4 lists the GFS pools required, showing pool name, size, function, disk, and location.
| Public Network: Node Name | Public Network: IP Address | Private Network: Node Name | Private Network: IP Address |
|---|---|---|---|
| rac1 | 10.10.10.101 | racpvt1 | 192.168.100.101 |
| rac2 | 10.10.10.102 | racpvt2 | 192.168.100.102 |
| rac3 | 10.10.10.103 | racpvt3 | 192.168.100.103 |
| rac4 | 10.10.10.104 | racpvt4 | 192.168.100.104 |
Table 1-1. Sample Cluster: GFS Node Names and IP Addresses
 | Note |
|---|---|
The procedures in this manual are based on the assumption that you are using a private network for your Oracle cluster software, and that the Oracle management node is rac1/racpvt1. |
| Node Name | IP Address |
|---|---|
| lock1 | 192.168.100.201 |
| lock2 | 192.168.100.202 |
| lock3 | 192.168.100.203 |
Table 1-2. Sample Cluster: Lock-Server Node Names and IP Addresses
| Node Name | IP Address | Node Controlled | ||||
|---|---|---|---|---|---|---|
| wti1 | 192.168.100.211 |
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| wti2 | 192.168.100.212 |
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| wti3 | 192.168.100.213 |
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Table 1-3. Sample Cluster: Network Power Switch Node Names, IP Addresses, and Nodes Controlled
| Pool Name | Size | Function | Disk | Location |
|---|---|---|---|---|
| oraraw1.pool | 100 MB | Oracle quorum disk | sda1 | /dev/pool/raw1 |
| oraraw2.pool | 100 MB | Oracle cluster configuration | sda2 | /dev/pool/raw2 |
| ccs_archive.pool | 10 MB | GFS cluster archive | sda3 | |
| oracle_base.pool | 20 GB | Oracle binaries, logs, and related files | sda4 | /dev/pool/oracle_base |
| oraundo.pool | 98 GB | Oracle undo tablespace | sdb1 | /dev/pool/oraundo |
| oraindex.pool | 98 GB | Oracle index files | sdc1 | /dev/pool/oraindex |
| oradata.pool | 60 GB | Oracle data files | sdd1 | /dev/pool/oradata |
Table 1-4. Sample Cluster: Storage Configuration
