Understanding Large Server Cluster Architecture

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Working with Database Activity Monitoring
Overview
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- Text Replacement
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- Defining and Protecting Database Objects
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    - Creating Command Groups
  - Configuring Stored Procedure Support
    - Configuring Stored Procedure Groups
  - Creating a Database Table Group
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  - Configuring a Database Owner
    - Configure the Database Owner Global Object
    - Configure a Database Service with a Database Owner
  - Export to XML
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    - Working with Imperva Open API
- Track Value Changes
  - Overview of Track Value Changes
  - Before Running a Tracking Value Changes Policy
    - Track Value Changes Policy Permissions
    - Preparing to use Track Value Changes
  - Creating a Track Value Changes Policy
  - Viewing a Track Value Changes Policy
  - Editing a Track Value Changes Policy
SecureSphere Agents
- SecureSphere Agent Overview
- Installing the SecureSphere Agent
- Advanced Agent Configuration
- Command Line Scripting Language
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Gateway Cluster
- General Overview of Gateway Cluster
- Gateway Cluster Concepts
- Setting up a Cluster from Scratch
- Converting an Existing Gateway Group into a Cluster
- Managing a Cluster
- Monitoring a Cluster
- Maintaining a Cluster
- Special Cluster Configurations
  - Configuring a Cluster Behind a NAT
  - Assigning Agents Monitoring an Oracle Database Cluster to a Large Server Cluster
- Understanding Cluster High Availability
Appendix Event Types
MXs Managed by SOM
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Writing Signatures and Regular Expressions
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SecureSphere Agent for DB2-400
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Placeholders
- Working with Placeholders
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- Advanced Options
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  - CEF Fields
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Filter Criteria and Report Data Fields
- Filter Criteria and Report Data Fields Overview
- Dataset: Lookup Attribute Usage Example
- Alert and Violation Criteria
- Audit Report Criteria
  - DB Audit Report Criteria
- Agent Criteria
- Assessment Criteria
- System Event Criteria
- User Rights Report Criteria
  - DB User Rights
- Task Report Criteria
- Configuration Report Criteria
- Risk Management Filter Criteria
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- Discovery Report Match Criteria
- Discovery Filter Criteria
- Active Module Criteria
- Profile Criteria
  - DB Profile - Detailed Report
- Custom Policies Match Criteria
  - Database Custom Policies Match Criteria
  - Advanced Criteria
    - Understanding the Advanced Criteria
    - Understanding the Don't Match If... Condition
      - Advanced Criteria with One Value Only
      - Advanced Criteria with More than One Value
- Enrichment Policy Match Criteria
  - DB Service Enrichment Policy Match Criteria
Report Columns
- Columns Available in Alert Reports
  - Alert Report Available Columns
  - Alert Event Available Columns
- Columns Available in Audit Reports
  - DB Audit Data Audit Report
  - Audit Time Grouping Columns
- Columns Available in Assessment Reports
- Columns Available in System Event Reports
- Columns Available in Task Reports
- Columns Available in DB User Rights Reports
- Columns Available in Configuration Reports
- Columns Available in Active Module Reports
- Columns Available in Discovery Reports
- Columns Available in Profile Reports
  - DB Profile - Detailed Report Columns
Pre-Defined Reports
- Alert Reports
- Active Module Reports
- System Events Reports
- Audit Reports
Required Permissions
- Notes on MSSQL 2008 and Higher
- Required Permissions for File Classification
- Required Permissions for Data Classification
  - Supported Database Types for Classification
- Required Permissions for Assessment
- Required Permissions for Stored Procedures
- Required Permissions for Database User Rights Management
Alert Aggregation Descriptions
- Alert Aggregation Descriptions
Troubleshooting Hashed Users
SAP Configuration
- Configuring the SecureSphere Gateway
- Monitoring SAP Transactions
- Defining SAP Transactions
  - Configuring SAP Transactions for use in SecureSphere
- Other Audit Policies
- Database Table Groups
Rule.dn Associated IDs
- About Rule.dns
- List of Rule.Dn Associated IDs
Database Audit Parser Strings
- MySQL and MariaDB audit parser strings
- Oracle audit parser strings
- DB2 audit parser strings
- Teradata audit parser strings
- SAP Hana audit parser strings
Supported Data Types
- Supported Data Types - Oracle
- Supported Data Types - SQL Server
- Supported Data Types - Sybase
- Supported Data Types - Informix
- Supported Data Types - MySQL
- Supported Data Types - DB2
- Supported Data Types - Netezza
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HomeDatabase Activity Monitoring User Guide...Gateway ClusterGateway Cluster ConceptsUnderstanding the Differences Between the Two Types of ClusterUnderstanding Large Server Cluster Architecture

Table of Contents

Understanding Large Server Cluster Architecture

Also available in:
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Last UpdatedMar 14, 2025
1 minute read

The following image shows the Large Server Cluster architecture.

Note that this setup includes the normal Cluster features - an active manager and a backup manager - and it also has a redundant Gateway. Additionally, as a Large Server Cluster, there are more Gateways than Agents.

ClusterLargeServerArchitecture_v12.0

Key:

Gateways
Active Cluster Manager
Backup Cluster Manager
Redundant (N+1) Gateway
Management Server
Data Sync
Agents

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Understanding Large Server Cluster Architecture

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