Solaris Resource Manager 1.3 Installation Guide

Chapter 2 Installing Solaris Resource Manager 1.3 in Sun Cluster 3.0 Update Environments

This chapter should be used by experienced system administrators with extensive knowledge of Sun software and hardware.

Solaris Resource Manager is normally installed and configured by the system administrator, but Sun Cluster is considerably more complex and it is normally installed by a Sun Service professional. Consider this when planning your installation sequence.

Several Sun Cluster 3.0 12/01 documents are referenced in this book. These Sun Cluster documents are available in the Sun Cluster 3.0 12/01 Collection and in the Sun Cluster 3.0 12/01 Data Services Collection.

Note -

If you are using a Sun Cluster 3.0 update release later than U1, refer to the appropriate Sun Cluster documentation for the release you are running.

Installation Overview

This chapter contains guidelines for two installation scenarios.

You can install Solaris Resource Manager and Sun Cluster in any order.

Caution -

Both the Sun Cluster and Solaris Resource Manager products modify the /etc/system file during installation. Making changes to this file after a Sun Cluster installation can lead to unpredictable cluster behavior if the Sun Cluster modifications to this file cannot be accessed during boot.

The procedure to disable or troubleshoot Solaris Resource Manager instructs you to use the backup /etc/system.noshrload file in place of the /etc/system file. Be aware that if the system.noshrload file does not include the Sun Cluster modifications, this substitution can cause problems with your cluster.

Installing Solaris Resource Manager on an Existing Sun Cluster

When installing the Solaris Resource Manager product on an existing Sun Cluster, consider the following guidelines.

Before you install the Solaris Resource Manager product on a node that is part of an existing cluster, the Sun Cluster product should already be installed and fully functional on all nodes of that cluster, using the installation procedures described in the Sun Cluster documentation.
Once Sun Cluster is correctly installed, boot each node on which you plan to install Solaris Resource Manager in non-cluster mode. The Solaris Resource Manager installation procedure requires a reboot of each node. For more information about rebooting a cluster node in non-cluster mode, see the Sun Cluster 3.0 12/01 System Administration Guide.
To ensure continuous availability of applications during Solaris Resource Manager installation, install it on one node at a time. Before installing Solaris Resource Manager on a node, switch over all of that node's applications to a backup node. For more information about switching the current primary of a resource group, see the Sun Cluster 3.0 12/01 Data Services Installation and Configuration Guide.
If your cluster includes Sun Enterprise 10000 machines, you must install Solaris Resource Manager on each domain in which you want Solaris Resource Manager functionality.
The Solaris Resource Manager limits database files (/var/srm/srmDB) do not need to be identical on all nodes. See the section "Configuring Solaris Resource Manager in Sun Cluster 3.0 Update Environments" in "Advanced Usage" in Solaris Resource Manager 1.3 System Administration Guide.
Installation of Solaris Resource Manager on a two-node Sun cluster should take less than 30 minutes. Exact installation times vary depending on the number of nodes, number of file systems, and speed of the systems.

There are no other special requirements.

Installing Sun Cluster on an Existing Solaris Resource Manager Configuration

When installing Sun Cluster on nodes that already contain Solaris Resource Manager, consider the following guidelines.

Install Sun Cluster on all nodes, using the installation procedures described in the Sun Cluster documentation.
The Solaris Resource Manager configuration files (/var/srm/srmDB) do not have to be identical on all nodes. See "Configuring Solaris Resource Manager in Sun Cluster 3.0 Update Environments" in Solaris Resource Manager 1.3 System Administration Guide.
Installation times vary, depending on the number of nodes and file systems and the speed of the systems. The presence of Solaris Resource Manager does not lengthen the install time for Sun Cluster.

There are no other special requirements.

Installing Solaris Resource Manager and Sun Cluster Together Initially

When performing initial installations of Solaris Resource Manager and Sun Cluster on the same node, do not install both products at the same time. Follow the procedures in Installing Solaris Resource Manager on an Existing Sun Cluster or Installing Sun Cluster on an Existing Solaris Resource Manager Configuration.