http://wikis.sun.com/display/SunCluster/Sun+Cluster+3.2+2-08+Release+Notes

Sun Cluster 3.2 2-08 Release Notes

Sun Cluster 3.2 2/08 Release Notes for Solaris OS

This document provides the following information for Sun™ Cluster 3.2 2/08 software.

• What's New in the Sun Cluster 3.2 2/08 Software
• Features Nearing End of Life
• Compatibility Issues
• Commands Modified in This Release
• Product Name Changes
• Supported Products
• Sun Cluster Security Hardening
• Known Issues and Bugs
• Patches and Required Firmware Levels
• Sun Cluster 3.2 2/08 Documentation
• Documentation Issues
• Resolved Issues

What's New in the Sun Cluster 3.2 2/08 Software

This section provides information related to new features, functionality, and supported products in the Sun Cluster 3.2 2/08 software. This section also provides information on any restrictions that are introduced in this release.

New Features and Functionality

This section describes new features in the Sun Cluster 3.2 2/08 software.

The following new features are provided in the May 2008 Core patch to Sun Cluster 3.2 2/08 software. 

• (SPARC) Support for Oracle 11g
• (SPARC) Support for Logical Domains (LDoms) Guest Domains as Cluster Nodes

The following new features are provided in the initial Sun Cluster 3.2 2/08 release.

• Sun Service Tags Support
• Support for Using NAS Devices From Sun Microsystems as Shared Storage and Quorum Devices
• Support for EMC Symmetrix Remote Data Facility (SRDF)
• HA-Containers Support for Solaris Zones Brands
• Editable Properties in Sun Cluster Manager
• New Sun Cluster Upgrade Guide
• Quorum Server Documentation Moved to the Installation and System Administration Guides

(SPARC) Support for Oracle 11g

Sun Cluster software now supports Oracle 11g in HA-Oracle and Oracle RAC configurations on SPARC based platforms. Procedures in the Sun Cluster 3.2 2/08 documentation set are valid for Oracle 11g. If an instruction is specific to a particular Oracle version, use instructions that apply to Oracle 10g for an Oracle 11g configuration.

(SPARC) Support for Logical Domains (LDoms) Guest Domains as Cluster Nodes

You can now configure Logical Domains (LDoms) 1.0.3 guest domains as virtual Sun Cluster nodes. In this configuration, a guest domain node is viewed the same as a physical node of a cluster.

You can configure Logical Domains (LDoms) guest and I/O domains as virtual Sun Cluster nodes. In other words, you can create a clustered pair, pair+N, N+1, and N*N cluster that consists of any combination of physical machines, LDoms I/O domains, and LDoms guest domains. You can also create clusters that consist of only LDoms I/O domains or only guest domains.

The following sections describe topologies, requirements and restrictions, and installation and configuration procedures for guest domains as cluster nodes:

• SPARC: LDom Guest Domains: Cluster in a Box Topology
• SPARC: LDoms Guest Domains: Single Cluster Spans Two Different Servers Topology
• SPARC: LDoms Guest Domains: Clusters Span Two Different Servers Topology
• SPARC: LDom Guest Domains: Redundant I/O Domains
• SPARC: Software and Patch Requirements to Support LDoms Software
• SPARC: Guidelines for Logical Domains in a Cluster
• SPARC: How to Install Logical Domains Software and Create Domains
• SPARC: Configuring Logical Domains as Cluster Nodes

SPARC: LDom Guest Domains: Cluster in a Box Topology

In this Logical Domains (LDoms) guest domain topology, a cluster and every node within that cluster are located on the same server. Each LDoms guest domain node acts the same as a physical node in a cluster. To preclude your having to include a quorum device, this configuration includes three nodes rather than only two.

In this topology, you do not need to connect each virtual switch (vsw) for the private network to a physical network because they need only communicate with each other. In this topology, cluster nodes can also share the same storage device, as all cluster nodes are located on the same server. To learn more about guidelines for using and installing LDoms domains in a cluster, see SPARC: Guidelines for Logical Domains in a Cluster, SPARC: How to Install Logical Domains Software and Create Domains, and SPARC: Configuring LDoms Domains as Cluster Nodes.

This topology does not provide high availability, as all nodes in the cluster are located on the same server. However, developers and administrators might find this topology useful for testing and other non-production tasks. This topology is also called a "cluster in a box".

The following figure illustrates a cluster in a box configuration.

SPARC: Cluster in a Box Topology

SPARC: LDoms Guest Domains: Single Cluster Spans Two Different Servers Topology

In this Logical Domains (LDoms) guest domain topology, a single cluster spans two different servers and each cluster comprises one node on each server. Each LDoms guest domain node acts the same as a physical node in a cluster. To learn more about guidelines for using and installing LDoms domains in a cluster, see SPARC: Guidelines for Logical Domains in a Cluster, SPARC: How to Install Logical Domains Software and Create Domains, and SPARC: Configuring LDoms Domains as Cluster Nodes.

The following figure illustrates a configuration in which a single cluster spans two different servers.

SPARC: Single Cluster Spans Two Different Servers

SPARC: LDoms Guest Domains: Clusters Span Two Different Servers Topology

In this Logical Domains (LDoms) guest domain topology, each cluster spans two different servers and each cluster comprises one node on each server. Each LDoms guest domain node acts the same as a physical node in a cluster. In this configuration, because both clusters share the same interconnect switch, you must specify a different private network address on each cluster. Otherwise, if you specify the same private network address on clusters that share an interconnect switch, the configuration fails.

To learn more about guidelines for using and installing LDoms domains in a cluster, see SPARC: Guidelines for Logical Domains in a Cluster, SPARC: How to Install Logical Domains Software and Create Domains, and SPARC: Configuring LDoms Domains as Cluster Nodes.

The following figure illustrates a configuration in which more than a single cluster spans two different servers.

SPARC: Clusters Span Two Different Servers

SPARC: LDom Guest Domains: Redundant I/O Domains

In this Logical Domains (LDoms) guest domain topology, multiple I/O domains ensure that guest domains, or nodes within the cluster, continue to operate if an I/O domain fails. Each LDoms guest domain node acts the same as a physical node in a cluster.

In this topology, the guest domain runs IP network multipathing (IPMP) across two public networks, one through each I/O domain. Guest domains also mirror storage devices across different I/O domains. To learn more about guidelines for using and installing LDoms domains in a cluster, see SPARC: Guidelines for Logical Domains in a Cluster, SPARC: How to Install Logical Domains Software and Create Domains, and SPARC: Configuring LDoms Domains as Cluster Nodes.

The following figure illustrates a configuration in which redundant I/O domains ensure that nodes within the cluster continue to operate if an I/O domain fails.

SPARC: Redundant I/O Domains