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Sun Cluster 3.0 12/01 Data Services Installation and Configuration Guide

Installing the Oracle Server Software

Use the procedures in this section to complete the following tasks.

Note -

Before you configure Sun Cluster HA for Oracle, follow the procedures in the Sun Cluster 3.0 12/01 Software Installation Guide to configure the Sun Cluster software on each node.

How to Prepare the Nodes

This procedure describes how to prepare the cluster nodes for installation of the Oracle application software.

Caution - Caution -

Perform all of the steps described in this section on all of the nodes. If you do not perform all of the steps on all of the nodes, the Oracle installation will be incomplete, and Sun Cluster HA for Oracle will fail during startup.

Note -

Consult the Oracle documentation before you perform this procedure.

The following steps prepare your nodes and install the Oracle software.

  1. Become superuser on all of the cluster members.

  2. Configure the /etc/nsswitch.conf files as follows so that the data service starts and stops correctly if a switchover or failover occurs.

    On each node that can master the logical host that runs Sun Cluster HA for Oracle, include one of the following entries for group in the /etc/nsswitch.conf file.


    group:
group:		 	files
group:		 	files [NOTFOUND=return] nis
group:		 	files [NOTFOUND=return] nisplus

    Sun Cluster HA for Oracle uses the su user command to start and stop the database node. The network information name service might become unavailable when a cluster node's public network fails. Adding one of the preceding entries for group ensures that the su(1M) command does not refer to the NIS/NIS+ name services if the network information name service is unavailable.

  3. Configure the cluster file system for Sun Cluster HA for Oracle.

    If raw devices contain the databases, configure the global devices for raw-device access. See the Sun Cluster 3.0 12/01 Software Installation Guide for information on how to configure global devices.

    When you use the SolsticeTM DiskSuite volume manager, configure the Oracle software to use UNIX file system (UFS) logging or raw-mirrored meta devices. See the Solstice DiskSuite documentation for more information on how to configure raw-mirrored meta devices.

  4. Prepare the $ORACLE_HOME directory on a local or multihost disk.

    Note -

    If you install the Oracle binaries on a local disk, use a separate disk if possible. Installing the Oracle binaries on a separate disk prevents the binaries from overwrites during operating environment reinstallation.

  5. On each node, create an entry for the database administrator group (DBA) in the /etc/group file, and add potential users to the group.

    You typically name the DBA group dba. Verify that the root and oracle users are members of the dba group, and add entries as necessary for other DBA users. Ensure that the group IDs are the same on all of the nodes that run Sun Cluster HA for Oracle, as the following example illustrates.


    dba:*:520:root,oracle

    You can create group entries in a network name service (for example, NIS or NIS+). If you do so, add your entries to the local /etc/inet/hosts file to eliminate dependency on the network name service.

  6. On each node, create an entry for the Oracle user ID (oracle).

    You typically name the Oracle user ID oracle. The following command updates the /etc/passwd and /etc/shadow files with an entry for the Oracle user ID.


    # useradd -u 120 -g dba -d /Oracle-home oracle

    Ensure that the oracle user entry is the same on all of the nodes that run Sun Cluster HA for Oracle.

How to Install the Oracle Software

Perform the following steps to install the Oracle software.

  1. Become superuser on a cluster member.

  2. Note the Oracle installation requirements.

    Install Oracle binaries on one of the following locations.

    • local disks of the cluster nodes

    • cluster file system

      Note -

      Before you install the Oracle software on the cluster file system, start the Sun Cluster software and become the owner of the disk device group.

    See "Preparing to Install Sun Cluster HA for Oracle" for more information about installation locations.

  3. Install the Oracle software.

    Regardless of where you install the Oracle software, modify each node's /etc/system files as you would in standard Oracle installation procedures. Reboot afterward.

    Log in as oracle to ensure ownership of the entire directory before you perform this step. See the appropriate Oracle installation and configuration guides for instructions on how to install Oracle software.

How to Verify the Oracle Installation

Perform the following steps to verify the Oracle installation.

  1. Verify that the oracle user and the dba group own the $ORACLE_HOME/bin/oracle directory.

  2. Verify that the $ORACLE_HOME/bin/oracle permissions are set as follows.


    -rwsr-s--x

  3. Verify that the listener binaries exist in the $ORACLE_HOME/bin directory.

Where to Go From Here

When you have completed the work in this section, go to "Creating an Oracle Database".