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Oracle Solaris Cluster Concepts Guide     Oracle Solaris Cluster
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Document Information


1.  Introduction and Overview

2.  Key Concepts for Hardware Service Providers

3.  Key Concepts for System Administrators and Application Developers

Administrative Interfaces

Cluster Time

High-Availability Framework

Zone Membership

Cluster Membership Monitor

Failfast Mechanism

Cluster Configuration Repository (CCR)

Campus Clusters

Global Devices

Device IDs and DID Pseudo Driver

Device Groups

Device Group Failover

Multiported Device Groups

Global Namespace

Local and Global Namespaces Example

Cluster File Systems

Using Cluster File Systems

HAStoragePlus Resource Type

syncdir Mount Option

Disk Path Monitoring

DPM Overview

Monitoring Disk Paths

Using the cldevice Command to Monitor and Administer Disk Paths

Using Oracle Solaris Cluster Manager to Monitor Disk Paths

Using the clnode set Command to Manage Disk Path Failure

Quorum and Quorum Devices

About Quorum Vote Counts

About Quorum Configurations

Adhering to Quorum Device Requirements

Adhering to Quorum Device Best Practices

Recommended Quorum Configurations

Quorum in Two-Host Configurations

Quorum in Greater Than Two-Host Configurations

Atypical Quorum Configurations

Bad Quorum Configurations

Load Limits

Data Services

Data Service Methods

Failover Data Services

Scalable Data Services

Load-Balancing Policies

Failback Settings

Data Services Fault Monitors

Developing New Data Services

Characteristics of Scalable Services

Data Service API and Data Service Development Library API

Using the Cluster Interconnect for Data Service Traffic

Resources, Resource Groups, and Resource Types

Resource Group Manager (RGM)

Resource and Resource Group States and Settings

Resource and Resource Group Properties

Support for Oracle Solaris Zones

Support for Global-Cluster Non-Voting Nodes (Solaris Zones) Directly Through the RGM

Criteria for Using Support for Solaris Zones Directly Through the RGM

Requirements for Using Support for Solaris Zones Directly Through the RGM

Additional Information About Support for Solaris Zones Directly Through the RGM

Support for Solaris Zones on Oracle Solaris Cluster Nodes Through Oracle Solaris Cluster HA for Solaris Zones

Criteria for Using Oracle Solaris Cluster HA for Solaris Zones

Requirements for Using Oracle Solaris Cluster HA for Solaris Zones

Additional Information About Oracle Solaris Cluster HA for Solaris Zones

Service Management Facility

System Resource Usage

System Resource Monitoring

Control of CPU

Viewing System Resource Usage

Data Service Project Configuration

Determining Requirements for Project Configuration

Setting Per-Process Virtual Memory Limits

Failover Scenarios

Two-Host Cluster With Two Applications

Two-Host Cluster With Three Applications

Failover of Resource Group Only

Public Network Adapters and IP Network Multipathing

SPARC: Dynamic Reconfiguration Support

SPARC: Dynamic Reconfiguration General Description

SPARC: DR Clustering Considerations for CPU Devices

SPARC: DR Clustering Considerations for Memory

SPARC: DR Clustering Considerations for Disk and Tape Drives

SPARC: DR Clustering Considerations for Quorum Devices

SPARC: DR Clustering Considerations for Cluster Interconnect Interfaces

SPARC: DR Clustering Considerations for Public Network Interfaces


Service Management Facility

The Solaris Service Management Facility (SMF) enables you to run and administer applications as highly available and scalable resources. Like the Resource Group Manager (RGM), the SMF provides high availability and scalability, but for the Oracle Solaris Operating System.

Oracle Solaris Cluster provides three proxy resource types that you can use to enable SMF services in a cluster. These resource types, SUNW.Proxy_SMF_failover, SUNW.Proxy_SMF_loadbalanced, and SUNW.Proxy_SMF_multimaster, enable you to run SMF services in a failover, scalable, and multi-master configuration, respectively. The SMF manages the availability of SMF services on a single Oracle Solaris host. The SMF uses the callback method execution model to run services.

The SMF also provides a set of administrative interfaces for monitoring and controlling services. These interfaces enable you to integrate your own SMF-controlled services into Oracle Solaris Cluster. This capability eliminates the need to create new callback methods, rewrite existing callback methods, or update the SMF service manifest. You can include multiple SMF resources in a resource group and you can configure dependencies and affinities between them.

The SMF is responsible for starting, stopping, and restarting these services and managing their dependencies. Oracle Solaris Cluster is responsible for managing the service in the cluster and for determining the hosts on which these services are to be started.

The SMF runs as a daemon, svc.startd, on each cluster host. The SMF daemon automatically starts and stops resources on selected hosts according to preconfigured policies.

The services that are specified for an SMF proxy resource can be located on global cluster voting node or global cluster non-voting node. However, all the services that are specified for the same SMF proxy resource must be located on the same node. SMF proxy resources work on any node.