Contents

Title and Copyright Information

About This Manual
Audience
Organization
Related Documents
Reader's Comments
Conventions

1    Understanding Available Server Environments and Clusters
1.1    Using Storage Availability Domains in an Available Server Configuration or a Production Server Cluster
1.2    Components of an Available Server Environment
1.2.1    The ASE Director Daemon
1.2.2    The ASE Agent Daemon
1.2.3    The Host Status Monitor Daemon
1.2.4    The Availability Manager Driver
1.2.5    The Logger Daemon
1.3    Additional Components of a Production Server Cluster
1.3.1    Distributed Raw Disk
1.3.2    Distributed Lock Manager
1.3.3    Connection Manager
1.3.4    MEMORY CHANNEL
1.4    Using the asemgr Utility

2    Managing ASE Members and Cluster Members
2.1    Adding a New System to a Cluster (PS)
2.2    Adding Member Systems to an ASE
2.3    Enabling ASE on an Existing Cluster Member (PS)
2.4    Deleting Member Systems from an ASE
2.5    Displaying the Status of the Member Systems
2.6    Initializing ASE Member Systems
2.6.1    Initializing One System
2.6.2    Initializing All the Member Systems
2.7    Stopping and Restarting ASE Activity
2.8    Shutting Down a Cluster Member (PS)

3    Managing Networks in a TruCluster Software Configuration
3.1    Network Requirements
3.2    Defining Network Interfaces
3.3    Modifying the Network Configuration
3.3.1    Displaying the Network Configuration
3.3.2    Adding and Deleting Network Interfaces
3.3.3    Specifying Primary and Backup Networks (AS)
3.3.4    Specifying a Network to Ignore (AS)
3.3.5    Monitoring Network Interfaces
3.4    Using Multiple Client Networks and ASE Services
3.4.1    How ASE Services Use Multiple Networks
3.4.2    Getting Faster Access to Services

4    Preparing to Set Up Highly Available Services
4.1    Preparing to Add a Service
4.2    Understanding ASP
4.3    Using Disks in ASE Services
4.3.1    General Disk Requirements
4.3.2    Controlling Access to Disks
4.3.3    Using Disk Quotas
4.3.4    Backing Up Disks
4.3.5    Using UFS
4.3.6    Using AdvFS
4.3.6.1    AdvFS Requirements
4.3.6.2    Specifying AdvFS Filesets in a Service
4.3.7    Using LSM
4.3.7.1    LSM Requirements
4.3.7.2    Initializing LSM
4.3.7.3    Configuring LSM Disks and Disk Groups for the ASE
4.3.7.4    Creating and Configuring LSM Volumes for the ASE
4.3.7.5    Using an Existing LSM Disk Configuration
4.3.7.6    Specifying LSM Volumes in a Service
4.3.7.7    Using LSM Mirroring in the ASE
4.3.7.8    Understanding the LSM Pseudodevice
4.4    Installing an Application to Fail Over
4.5    Using Action Scripts
4.5.1    Execution Sequence for Action Scripts
4.5.2    Exit Codes for Action Scripts
4.5.3    Specifying User-Defined Action Scripts for a Service
4.5.4    Debugging User-Defined Scripts

5    Setting Up an NFS Service
5.1    NFS Service Requirements
5.2    NFS Service Components
5.3    Understanding the Service Exports File
5.4    Adding a Basic NFS Service
5.5    Adding an NFS Mail Service
5.5.1    Preparing Disks for a Mail Service
5.5.2    Using the asemgr Utility to Add a Mail Service
5.5.3    Modifying the Mail Service's Exports File
5.5.4    Setting Up the sendmail.cf Configuration File
5.5.5    Mounting the Disks
5.5.6    Defining a BIND Mail Exchange Record
5.6    Accessing NFS Services from Client Systems

6    Setting Up a Disk Service
6.1    Disk Service Requirements
6.2    Disk Service Components
6.3    Adding a Basic Disk Service
6.4    Accessing Disk Services from Client Systems

7    Setting Up a User-Defined Service
7.1    User-Defined Service Components
7.2    Adding a Basic User-Defined Service
7.3    Adding a User-Defined Login Service

8    Setting Up a DRD Service (PS)
8.1    Overview of the DRD Subsystem Driver
8.2    DRD Namespace
8.3    Adding a DRD Service
8.4    Modifying a DRD Service
8.5    Deleting a DRD Service
8.6    Tuning the DRD Subsystem
8.6.1    Locating DRD Services
8.6.2    Analyzing Tunable Parameters
8.6.3    Enabling Peer-to-Peer DMA Support for DRD
8.7    Testing and Measuring the Performance of DRD
8.8    Other DRD Administrative Concerns
8.9    Troubleshooting the DRD Subsystem
8.9.1    DRD Extensions to the kdbx Debugger
8.9.2    Debugging a Nonoperational DRD Service
8.9.2.1    Verifying Cluster Operation
8.9.2.2    Verifying DRD Subsystem Operation
8.9.2.3    Checking the Status of DRD Services
8.9.2.4    Tracking the Failure of a Specific Service
8.9.2.5    Examining DRD Device Special File Permissions
8.9.2.6    Reading from the DRD Disk
8.9.2.7    Writing to the DRD Disk

9    Setting Up a Shared Tape Service
9.1    Tape Service Requirements
9.2    Tape Service Components
9.3    Adding a Tape Service

10    Managing ASE Services
10.1    Displaying Service Status
10.2    Displaying Service Information from the ASE Database
10.3    Placing a Service Off Line
10.4    Restarting Unassigned Services
10.5    Manually Relocating a Service
10.6    Modifying a Service
10.6.1    Modifying a Service Without Interrupting Its Availability
10.6.2    Modifying a Service with Minimal Disruption to Its Availability
10.6.3    Managing Storage Participating in ASE Services
10.6.3.1    Introduction to ASE Storage Configuration Management
10.6.3.2    Understanding Storage Configuration Databases
10.6.3.3    Modifying an Offline AdvFS or LSM Service
10.6.3.4    Restrictions on Using AdvFS Commands in an ASE
10.6.3.5    Restrictions on Using LSM Commands in an ASE
10.6.3.6    Restrictions on DIGITAL UNIX Storage Management Commands
10.6.3.7    Replacing a Failed Disk
10.6.3.7.1    Replacing a Nonmirrored Disk
10.6.3.7.2    Replacing a Disk that is Part of an LSM Mirrored Volume
10.7    Deleting a Service
10.8    Rereserving an LSM Device

11    Using the Cluster Monitor
11.1    Setting Up the Cluster Monitor
11.1.1    Creating the Cluster Configuration Map
11.1.2    Starting the Cluster Monitor
11.2    Troubleshooting the Cluster Monitor
11.2.1    Cluster Configuration Map Not Created
11.2.2    Cluster Monitor Does Not Start
11.2.3    Cluster Monitor Does Not Show a Member
11.2.4    Errors Reported by the cluster_map_create Utility
11.2.5    Error Reported by the cmon Utility
11.2.6    Other Problems
11.3    Setting Up a Highly Available Cluster Monitor Service

12    Troubleshooting
12.1    Using ASE Event Logging
12.1.1    Configure Mail for the ASE Logger Daemon
12.1.2    Displaying the Members Running a Logger Daemon
12.1.3    Setting and Displaying the Message Logging Severity Level
12.1.4    Disabling ASE Event Logging
12.1.5    Editing and Testing the Error Alert Script
12.2    Resetting the ASE Daemons
12.3    Controlling the Priority of the ASE Daemons
12.4    Connection Manager Removed System from the Cluster (PS)

A    Error Messages
A.1    ASE Agent Daemon Alert Messages
A.2    ASE Director Daemon Alert Messages
A.3    ASE Host Status Monitor Daemon Alert Messages
A.4    The asemgr Utility Alert Messages
A.5    MEMORY CHANNEL Alert Messages
A.6    DLM Alert Messages
A.7    DRD Alert Messages

B    Kernel Attributes (PS)

C    Configuration Variables

Glossary

Examples

Figures

Tables