Key Concepts for System Administrators and Application Developers

This chapter describes the key concepts that are related to the software components of the Oracle Solaris Cluster environment. The information in this chapter is directed to system administrators and application developers who use the Oracle Solaris Cluster API. Cluster administrators can use this information in preparation for installing, configuring, and administering cluster software. Application developers can use the information to understand the cluster environment in which they work.

This chapter covers the following topics:

• Administrative Interfaces

• Cluster Time

• Campus Clusters

• High-Availability Framework

• Device Groups

• Global Namespace

• Cluster File Systems

• Disk Path Monitoring

• Quorum and Quorum Devices

• Load Limits

• Data Services

• Developing New Data Services

• Using the Cluster Interconnect for Data Service Traffic

• Resources, Resource Groups, and Resource Types

• Support for Oracle Solaris Zones

• Service Management Facility

• System Resource Usage

• Data Service Project Configuration

• Public Network Adapters and IP Network Multipathing

• SPARC: Dynamic Reconfiguration Support