Administration Guide
About This Book
Cluster Systems Management Overview
Monitoring for Linux
Monitoring Concepts
About Conditions
About Responses
How Conditions and Responses Work Together
Using the Monitoring Application
Planning What to Monitor in Your System
Planning How to Respond to Detected Conditions
Getting Started with the Monitoring Application
How to Associate a Response with a Condition
How to View Events
How to Stop Monitoring
Monitoring from the Command Line
Tracking Monitoring Activity
Using the Audit Log to Track Monitoring Activity
Using Scripts
Using Predefined Response Scripts
Using Event Response Environment Variables
Using Expressions
SQL Restrictions
Supported Base Data Types
Structured Data Types
Data Types That Can Be Used for Literal Values
How Variable Names Are Handled
Operators That Can Be Used in Expressions
Pattern Matching
Examples of Expressions
Components Provided for Monitoring
Resource Monitoring and Control Subsystem
Resource Managers
Audit Log Resource Manager
Audit Log Resource Class
Audit Log Template Resource Class
Distributed Management Server Resource Manager
Managed Node Resource Class
Node Group Resource Class
Event Response Resource Manager
File System Resource Manager
Predefined Conditions for Monitoring File Systems
Host Resource Manager
Host Resource Class
Program Resource Class
Sensor Resource Manager
Sensor Resource Class
Predefined Condition for Sensor Resource Class
Predefined Responses
Commands, Scripts, Utilities, and Files
ERRM commands
RMC Commands
Scripts and Utilities
Files
Diagnostic Information
Resource Manager Diagnostic Files
Recovering from RMC and Resource Manager Problems
ctsnap Command
SRC-Controlled Commands
Recovery Support for RMC Using rmcctrl
Tracking ERRM Events with the Audit Log
Distributed Command Execution Manager Overview
Supported Platforms
Setting Up DCEM
Starting DCEM
Command Syntax
Using Distributed Command Execution Manager
Creating Command Specifications
Saving a Command Specification
Running a Command on One or More Hosts
Working with Groups of Hosts
Command Output and Activity Logs
Diagnosing Problems with Distributed Command Execution Manager
Problems Due to Insufficient Setup of Underlying Subsystems
Example of a saved command script
Notices
Trademarks
Publicly Available Software
GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
Index
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