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Oracle Solaris Cluster Data Services Planning and Administration Guide     Oracle Solaris Cluster 4.1
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Document Information

Preface

1.  Planning for Oracle Solaris Cluster Data Services

Configuration Guidelines for Oracle Solaris Cluster Data Services

Identifying Data Service Special Requirements

Determining the Location of the Application Binaries

Verifying the nsswitch.conf File Contents

Planning the Cluster File System Configuration

Enabling Oracle Solaris SMF Services to Run Under the Control of Oracle Solaris Cluster

Relationship Between Resource Groups and Device Groups

Understanding HAStoragePlus

Determining Whether Your Data Service Requires HAStoragePlus

Data Services With Nodes That Are Not Directly Connected to Storage

Data Services That Are Disk Intensive

Considerations for Installing and Configuring a Data Service

Overview of the Installation and Configuration Process

Installation and Configuration Task Flow

Example of Configuring a Failover Data Service

Tools for Data Service Resource Administration

clsetup Utility

Oracle Solaris Cluster Maintenance Commands

Summary by Task of Tools for Administering Data Service Resources

Standard Properties

Cluster Properties

Resource Type Properties

Resource Properties

Resource Group Properties

Resource Property Attributes

Node List Properties

Legal RGM Names

RGM Legal Names

Rules for Names Except Resource Type Names

Format of Resource Type Names

RGM Values

2.  Administering Data Service Resources

Index

Understanding HAStoragePlus

The HAStoragePlus resource type can be used to configure the following options.

In addition, HAStoragePlus is capable of mounting local and global file systems. For more information, see Planning the Cluster File System Configuration.


Note - If the device group is switched to another node while the HAStoragePlus resource is online, AffinityOn has no effect. The resource group does not migrate with the device group. However, if the resource group is switched to another node, the setting of AffinityOn to True causes the device group to follow the resource group to the new node.


See Synchronizing the Startups Between Resource Groups and Device Groups for information about the relationship between device groups and resource groups.

See Enabling Highly Available Local File Systems for procedures for mounting of file systems such as Solaris ZFS in a local mode. The SUNW.HAStoragePlus(5) man page provides additional details.

Determining Whether Your Data Service Requires HAStoragePlus

The following types of data services require HAStoragePlus:

Data Services With Nodes That Are Not Directly Connected to Storage

Some nodes in the node list of a data service's resource group might not be directly connected to the storage. In this situation, you must coordinate the boot order between the storage and the data service. To meet this requirement, configure the resource group as follows:

Data Services That Are Disk Intensive

Some data services, such as Oracle Solaris Cluster HA for Oracle and Oracle Solaris Cluster HA for NFS are disk intensive. If your data service is disk intensive, ensure that the resource groups and device groups are colocated on the same node. To meet this requirement, perform the following tasks:


Note - The failback settings must be identical for both the resource group and device groups.


Some data services are not disk intensive. For example, HA for DNS (which reads all of its files at startup) is not disk intensive. If your data service is not disk intensive, configuring the HAStoragePlus resource type is optional.