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Contents
List of Figures
List of Tables
Title and Copyright Information
Preface
Intended Audience
Documentation Accessibility
Related Documentation
Conventions
1
Introduction to High Availability
1.1
What is High Availability
1.1.1
High Availability Problems
1.1.2
High Availability Solutions
1.2
How To Use This Guide
1.2.1
What's New In this Guide
1.2.2
Oracle Fusion Middleware Documentation Libraries
1.3
High Availability Information in Other Documentation
Part I High Availability Features and Capabilities
2
Oracle Fusion Middleware High Availability Framework
2.1
Key Oracle Fusion Middleware Concepts
2.1.1
What is a WebLogic Server Domain?
2.1.1.1
What Is the Administration Server?
2.1.1.2
About Managed Servers and Managed Server Clusters
2.1.1.3
What Is Node Manager?
2.1.2
What Is a System Component Domain?
2.1.3
What Is a Middleware Home?
2.1.4
What Is an Oracle Home?
2.1.4.1
What Is an Oracle Common Home?
2.1.5
What Is a WebLogic Server Home?
2.2
Oracle Fusion Middleware High Availability Terminology
2.3
Oracle Fusion Middleware High Availability Solutions
2.3.1
Local High Availability
2.3.2
Oracle Fusion Middleware High Availability Technologies
2.3.2.1
Server Load Balancing
2.3.3
Active-Passive Deployment
2.3.4
About Active-Active and Active-Passive Solutions
2.3.5
Disaster Recovery
2.4
Protection from Planned and Unplanned Down Time
3
High Availability for WebLogic Server
3.1
What Is a WebLogic Server Cluster?
3.2
WebLogic Server Clusters and WebLogic Server Domains
3.3
Benefits of Clustering
3.4
Key Capabilities of a Cluster
3.4.1
Application Failover
3.4.2
Server Migration
3.4.3
Load Balancing
3.5
Types of Objects That Can Be Clustered
3.6
Communications in a Cluster
3.7
Cluster-Wide JNDI Naming Service
3.8
Failover and Replication in a Cluster
3.8.1
Session Replication
3.9
Whole Server Migration
3.9.1
Node Manager's Role in Whole Server Migration
3.9.2
Server Migration Processes and Communications
3.9.2.1
Startup Process in a Cluster with Migratable Servers
3.9.2.2
Automatic Whole Server Migration Process
3.9.2.3
Manual Whole Server Migration Process
3.9.2.4
Administration Server's Role in Whole Server Migration
3.9.2.5
Migratable Server Behavior in a Cluster
3.9.2.6
Cluster Master's Role in Whole Server Migration
3.10
JMS and JTA High Availability
3.10.1
User-Preferred Servers and Candidate Servers
3.10.2
Considerations for Using File Stores on NFS
3.11
Administration Server and Node Manager High Availability
3.11.1
Administration Server Failure
3.11.2
Node Manager Failure
3.12
Load Balancing
3.13
GridLink Data Sources
3.14
Multi Data Sources
3.15
Cluster Configuration and config.xml
3.16
About Singleton Services
3.17
WebLogic Server and LDAP High Availability
4
Considerations for High Availability Oracle Database Access
4.1
Oracle Real Application Clusters and Fusion Middleware
4.1.1
Java-Based Oracle Fusion Middleware Components Deployed to Oracle WebLogic Server
4.1.2
GridLink Data Sources and Oracle RAC
4.1.3
Using Multi Data Sources with Oracle RAC
4.1.3.1
Configuring Multi Data Sources for MDS Repositories
4.1.3.2
Oracle RAC Configuration Requirements
4.1.3.3
Configuring Schemas for Transactional Recovery Privileges
4.1.4
Configuring GridLink Data Sources with Oracle RAC
4.1.5
Configuring Multi Data Sources with Oracle RAC
4.1.6
JDBC Clients
4.1.7
System Clients
4.2
Protecting Idle Connections from Firewall Timeouts
4.3
Troubleshooting
4.4
Using SCAN Addresses with Oracle Database 11g (11.2)
Part II Configuring High Availability for Oracle Identity and Access Management Components
5
Configuring High Availability for Oracle Identity Manager Components
5.1
Oracle Identity Manager Component Architecture
5.1.1
Oracle Identity Manager Component Characteristics
5.1.2
Runtime Processes
5.1.3
Component and Process Lifecycle
5.1.4
Starting and Stopping Oracle Identity Manager
5.1.5
Configuration Artifacts
5.1.6
External Dependencies
5.1.7
Oracle Identity Manager Log File Locations
5.2
Oracle Identity Manager High Availability Concepts
5.2.1
Oracle Identity Manager High Availability Architecture
5.2.2
Starting and Stopping the Oracle Identity Manager Cluster
5.2.3
Cluster-Wide Configuration Changes
5.2.4
Considerations for Synchronizing with LDAP
5.3
Oracle Identity Manager High Availability Configuration Steps
5.3.1
Prerequisites for Oracle Identity Manager Configuration
5.3.1.1
Running RCU to Create the OIM Schemas in a Database
5.3.1.1.1
Installing Oracle WebLogic Server
5.3.1.2
Installing the Oracle SOA Suite on OIMHOST1 and OIMHOST2
5.3.1.3
Installing the Oracle Identity Manager on OIMHOST1 and OIMHOST2
5.3.2
Creating and Configuring the WebLogic Domain for OIM and SOA on OIMHOST1
5.3.3
Upgrading Oracle Platform Security Services Schemas
5.3.4
Configuring the Database Security Store for the Domain
5.3.5
Post-Installation Steps on OIMHOST1
5.3.5.1
Creating boot.properties for the Administration Server on OIMHOST1
5.3.5.2
Update Node Manager on OIMHOST1
5.3.5.3
Start Node Manager on OIMHOST1
5.3.5.4
Start the Administration Server on OIMHOST1
5.3.6
Configuring Oracle Identity Manager on OIMHOST1
5.3.6.1
Prerequisites for Configuring Oracle Identity Manager
5.3.6.2
Updating the Coherence Configuration for the Coherence Cluster
5.3.6.3
Running the Oracle Identity Management Configuration Wizard
5.3.7
Post-Configuration Steps for the Managed Servers
5.3.7.1
Start the WLS_SOA1 and WLS_OIM1 Managed Servers on OIMHOST1
5.3.8
Validate the Oracle Identity Manager Instance on OIMHOST1
5.3.9
Propagating Oracle Identity Manager to OIMHOST2
5.3.10
Post-Installation Steps on OIMHOST2
5.3.10.1
Update Node Manager on OIMHOST2
5.3.10.2
Start Node Manager on OIMHOST2
5.3.10.3
Start the WLS_SOA2 and WLS_OIM2 Managed Servers on OIMHOST2
5.3.11
Validate the Oracle Identity Manager Instance on OIMHOST2
5.3.12
Updating SOA Server Default Composite
5.3.13
Configuring Oracle Internet Directory using the LDAP Configuration Post-setup Script
5.3.14
Configuring Server Migration for the OIM and SOA Managed Servers
5.3.14.1
Setting Up a User and Tablespace for the Server Migration Leasing Table
5.3.14.2
Creating a Multi Data Source Using the Oracle WebLogic Administration Console
5.3.14.3
Editing Node Manager's Properties File
5.3.14.4
Setting Environment and Superuser Privileges for the wlsifconfig.sh Script
5.3.14.5
Configuring Server Migration Targets
5.3.14.6
Testing the Server Migration
5.3.15
Configuring a Shared JMS Persistence Store
5.3.16
Configuring a Default Persistence Store for Transaction Recovery
5.3.17
Install Oracle HTTP Server on WEBHOST1 and WEBHOST2
5.3.18
Configuring Oracle Identity Manager to Work with the Web Tier
5.3.18.1
Prerequisites
5.3.18.2
Configuring Oracle HTTP Servers to Front End the OIM and SOA Managed Servers
5.3.19
Validate the Oracle HTTP Server Configuration
5.3.20
Oracle Identity Manager Failover and Expected Behavior
5.3.21
Troubleshooting Oracle Identity Manager High Availability
5.3.22
Scaling Up and Scaling Out the Oracle Identity Manager Topology
5.3.22.1
Scaling Up Oracle Identity Manager
5.3.22.2
Scaling Out Oracle Identity Manager
6
Configuring High Availability for Oracle Access Management Access Manager Components
6.1
Access Manager Component Architecture
6.1.1
Access Manager Component Characteristics
6.1.1.1
Access Manager State Information
6.1.1.2
Access Manager Request Flow
6.1.1.2.1
Access Manager Process Lifecycle
6.1.1.2.2
Access Manager Configuration Artifacts
6.1.1.2.3
Access Manager External Dependencies
6.1.1.2.4
Access Manager Log File Location
6.2
Access Manager High Availability Concepts
6.2.1
Access Manager High Availability Architecture
6.2.1.1
Starting and Stopping the Cluster
6.2.1.1.1
Cluster-Wide Configuration Changes
6.2.2
Protection from Failures and Expected Behaviors
6.2.2.1
WebLogic Server Crash
6.2.2.2
Node Failure
6.2.2.3
Database Failure
6.3
Access Manager High Availability Configuration Steps
6.3.1
Prerequisites for Access Manager Configuration
6.3.2
Running the Repository Creation Utility to Create the Database Schemas
6.3.3
Installing Oracle WebLogic Server
6.3.4
Installing and Configuring the Access Manager Application Tier
6.3.4.1
Install Oracle Fusion Middleware for Identity Management
6.3.4.2
Configure Oracle Access Manager on OAMHOST1
6.3.5
Configuring the Database Security Store
6.3.6
Creating boot.properties for the Administration Server on OAMHOST1
6.3.7
Starting OAMHOST1
6.3.7.1
Create the Node Manager Properties File on OAMHOST1
6.3.7.2
Start Node Manager
6.3.7.3
Start Access Manager on OAMHOST1
6.3.8
Validating OAMHOST1
6.3.9
Configuring OAM on OAMHOST2
6.3.10
Starting OAMHOST2
6.3.10.1
Create the Node Manager Properties File on OAMHOST2
6.3.10.2
Start Node Manager
6.3.10.3
Start Access Manager on OAMHOST2
6.3.11
Validating OAMHOST2
6.3.12
Configure Access Manager to Work with Oracle HTTP Server
6.3.12.1
Update Oracle HTTP Server Configuration
6.3.12.2
Restart Oracle HTTP Server
6.3.12.3
Make OAM Server Aware of the Load Balancer
6.3.13
Configuring Access Manager to use an External LDAP Store
6.3.13.1
Extending Directory Schema for Access Manager
6.3.13.2
Create Users and Groups in LDAP
6.3.13.3
Create a User Identity Store
6.3.13.4
Set LDAP to System and Default Store
6.3.13.5
Set Authentication to Use External LDAP
6.3.14
Validating the Access Manager Configuration
6.3.15
Configuring Oracle Coherence to Keep Configuration Files in Sync
6.3.16
Scaling Up and Scaling Out the Access Manager Topology
6.3.16.1
Scaling Up Access Manager
6.3.16.2
Scaling Out Access Manager
7
Configuring High Availability for Oracle Adaptive Access Manager Components
7.1
Oracle Adaptive Access Manager Component Architecture
7.1.1
Oracle Adaptive Access Manager Component Characteristics
7.1.1.1
Oracle Adaptive Access Manager State Information
7.1.1.2
Oracle Adaptive Access Manager Runtime Processes
7.1.1.3
Oracle Adaptive Access Manager Process Lifecycle
7.1.1.4
Oracle Adaptive Access Manager Configuration Artifacts
7.1.1.5
Oracle Adaptive Access Manager Deployment Artifacts
7.1.1.6
Oracle Adaptive Access Manager External Dependencies
7.1.1.7
Oracle Adaptive Access Manager Log File Location
7.2
Oracle Adaptive Access Manager High Availability Concepts
7.2.1
Oracle Adaptive Access Manager High Availability Architecture
7.2.1.1
Starting and Stopping the Cluster
7.2.1.2
Cluster-Wide Configuration Changes
7.2.2
Protection from Failures and Expected Behaviors
7.3
Oracle Adaptive Access Manager High Availability Configuration Steps
7.3.1
Prerequisites for Oracle Adaptive Access Manager Configuration
7.3.2
Run the Repository Creation Utility to Create the OAAM Schemas in a Database
7.3.3
Installing Oracle WebLogic Server
7.3.4
Installing and Configuring the Oracle Adaptive Access Manager Application Tier
7.3.4.1
Install Oracle Fusion Middleware for Identity Management
7.3.4.1.1
Configure Oracle Access Manager on OAAMHOST1
7.3.5
Configuring the Database Security Store for the Domain
7.3.6
Creating boot.properties for the Administration Server on OAAMHOST1
7.3.7
Create the Oracle Adaptive Access Manager Administration User
7.3.8
Start OAAMHOST1
7.3.8.1
Create the Node Manager Properties File on OAAMHOST1
7.3.8.2
Start Node Manager
7.3.8.3
Start Oracle Adaptive Access Manager on OAAMHOST1
7.3.9
Validating OAAMHOST1
7.3.10
Configure Oracle Adaptive Access Manager on OAAMHOST2
7.3.11
Start OAAMHOST2
7.3.11.1
Create the Node Manager Properties File on OAAMHOST2
7.3.11.2
Start Node Manager
7.3.11.3
Start Oracle Adaptive Access Manager on OAAMHOST2
7.3.12
Validating OAAMHOST2
7.3.13
Configure Oracle Adaptive Access Manager to Work with Oracle HTTP Server
7.3.13.1
Update Oracle HTTP Server Configuration
7.3.13.2
Restart Oracle HTTP Server
7.3.13.3
Change Host Assertion in WebLogic
7.3.14
Validating the Oracle Adaptive Access Manager Configuration
7.3.15
Scaling Up and Scaling Out the Oracle Adaptive Access Manager Topology
7.3.15.1
Scaling Up Oracle Adaptive Access Manager
7.3.15.2
Scaling Out Oracle Adaptive Access Manager
8
Configuring High Availability for Oracle Access Management Security Token Service
8.1
Security Token Service High Availability Architecture
8.1.1
Clients and Client Connections
8.1.2
Cluster Wide Configuration Changes
8.2
Security Token Service Component Characteristics
8.2.1
Security Token Service Component Lifecycle
8.2.2
Runtime Processes
8.2.2.1
Starting and Stopping Security Token Service
8.2.2.2
J2EE Components and Subcomponents
8.2.2.3
Session State Information
8.2.3
Configuration Artifacts
8.2.4
External Dependencies
8.3
Security Token Service High Availability Configuration Steps
8.4
Validating Security Token Service High Availability
8.5
Security Token Service Failover and Expected Behavior
8.5.1
Death Detection and Restart
8.5.2
Node Failure
8.6
Disabling and Enabling Security Token Service
8.7
Troubleshooting Security Token Service
8.8
Log File Location
8.9
Additional Considerations
9
Configuring High Availability for Identity Federation Components
9.1
Identity Federation Component Architecture
9.1.1
Identity Federation Component Characteristics
9.1.1.1
Runtime Processes
9.1.1.2
Process Lifecycle
9.1.1.3
Request Flow
9.1.1.4
Configuration Artifacts
9.1.1.5
External Dependencies
9.1.1.6
Identity Federation Log File Location
9.2
Identity Federation High Availability Concepts
9.2.1
Identity Federation High Availability Architecture
9.2.1.1
Starting and Stopping the Cluster
9.2.1.2
Cluster-Wide Configuration Changes
9.2.2
Identity Federation Prerequisites
9.3
Identity Federation High Availability Configuration
9.3.1
Setting the Hostname and Port
9.3.2
Changing the ProviderID Value
9.3.3
Tuning Identity Federation Parameters
9.4
Identity Federation Failover and Expected Behavior
9.5
Troubleshooting Identity Federation High Availability
10
Configuring High Availability for Oracle Entitlements Server
10.1
Oracle Entitlements Server High Availability Concepts
10.1.1
Oracle Entitlements Server High Availability Architecture
10.1.1.1
Oracle Entitlements Server Administration Server High Availability
10.1.1.2
Security Module (OES Client)/Policy Information Point High Availability
10.1.1.3
Security Module in Proxy Mode Working Against Web Service / RMI Security Module in Controlled-Push Mode High Availability
10.1.1.4
Security Module in Proxy Mode Working Against Web Service / RMI Security Module in Controlled Pull Mode High Availability
10.1.1.5
Oracle Entitlements Server WebLogic Server Security Module High Availability
10.1.2
Oracle Entitlements Server Security Module High Availability
10.1.3
Load Balancing
10.1.4
Failover Considerations
10.1.5
Protection from Failures and Expected Behaviors
10.1.5.1
Expected Client Application Behavior When Failure Occurs
10.1.5.2
Node failure
10.1.5.3
Database failure
10.1.6
Starting and Stopping the Oracle Entitlements Server Cluster
10.1.7
Cluster-Wide Configuration Changes
10.1.8
Considerations for Synchronizing with LDAP
10.2
Configuring Oracle Entitlements Server High Availability
10.2.1
Prerequisites for Oracle Entitlements Server Configuration
10.2.2
Configure Weblogic Domain for OES Administration Server on OESHOST1
10.2.3
Post-Configuration and Verification
10.2.3.1
Starting Node Manager
10.2.3.2
Validating the WebLogic Administration Server
10.2.3.3
Creating a Separate Domain Directory for Managed Servers in the Same Node as the Administration Server
10.2.3.3.1
Propagate Changes to Remote Server
10.2.3.4
Start Node Manager on Remote Hosts
10.2.3.5
Stop and Start the WebLogic Administration Server and start oes_server1 and oes_server2
10.2.4
Configure OES Security Module in Controlled-push Mode with Oracle Entitlements Server Administration Server High Availability
10.2.5
Configure Oracle Entitlements Server Security Module in Proxy Mode with PDP High Availability
10.2.6
Configure Oracle Entitlements Server Policy Information Point with High Availability
10.2.7
Configuring Oracle Entitlements Server Web Service Security Module on WebLogic High Availability
10.2.8
Configuring Oracle Entitlements Server WebLogic Security Module High Availability
10.2.9
Using RAC Datasource for Security Module in Controlled-pull Mode and Non-controlled Mode
10.2.10
Configuring Oracle Entitlements Server to Work with the Web Tier
10.2.10.1
Prerequisites
10.2.10.2
Configuring Oracle HTTP Servers to Front End the OES Managed Servers
10.2.10.3
Validate the Oracle HTTP Server Configuration
11
Configuring High Availability for Mobile and Social
11.1
Oracle Access Management Mobile and Social Component Architecture
11.1.1
Session State Information
11.1.2
Component Lifecycle
11.1.3
Component Configuration Artifacts
11.1.4
Mobile and Social Deployment Artifacts
11.2
Mobile and Social Component Characteristics
11.3
Mobile and Social High Availability Concepts
11.3.1
Mobile and Social High Availability Architecture
11.3.2
Mobile and Social High Availability and Node Failover
11.3.2.1
Load Balancing Requirements and Characteristics
11.3.2.2
Session State Replication and Failover
11.3.2.3
Client Application Startup
11.3.2.3.1
Death Detection / Restart
11.4
Configuring Mobile and Social High Availability
12
Configuring High Availability for Oracle Privileged Account Manager Components
12.1
Oracle Privileged Account Manager Component Architecture
12.1.1
Runtime Processes
12.1.2
Process Lifecycle
12.1.3
Session State
12.1.4
External Dependencies
12.1.5
Deployment Artifacts
12.1.6
Log File Locations
12.2
Oracle Privileged Account Manager High Availability Concepts
12.3
Oracle Privileged Account Manager High Availability Architecture
12.3.1
Starting and Stopping the Cluster
12.4
Oracle Privileged Account Manager High Availability and Node Failure
12.5
Oracle Privileged Account Manager High Availability Configuration
12.5.1
Appropriate Development Environment
12.5.2
Components Deployed
12.5.3
Dependencies
12.5.4
High Availability Configuration Procedure
12.5.4.1
Configuring Oracle Identity and Access Management on OPAMHOST1
12.5.4.1.1
Configuring the Database Security Store
12.5.4.1.2
Starting Administration Server on OPAMHOST1
12.5.4.2
Starting OPAMHOST1
12.5.4.2.1
Starting Oracle Privileged Account Manager on OPAMHOST1
12.5.4.3
Configuring OPAM on OPAMHOST2
12.5.4.4
Starting OPAMHOST2
12.5.5
OHS Load Balancer Configuration
12.5.5.1
Configure SSL
12.5.5.2
Update the Oracle HTTP Server Configuration
12.5.5.3
Restart the Oracle HTTP Server
13
Configuring High Availability for Oracle Identity Navigator
13.1
Update the Oracle HTTP Server Configuration
13.2
Restart the Oracle HTTP Server
14
Oracle Unified Directory
15
Active-Passive Topologies for Oracle Fusion Middleware High Availability
15.1
Oracle Fusion Middleware Cold Failover Cluster Topology Concepts
15.2
Configuring Oracle Fusion Middleware for Active-Passive Deployments
15.2.1
Cold Failover Cluster Requirements
15.2.2
Directories and Environment Variables Terminology
15.2.3
Transforming Oracle Fusion Middleware Infrastructure Components
15.2.3.1
Administration Server Topology 1
15.2.3.2
Topology 1 Installation Procedure
15.2.3.3
Administration Server Topology 2
15.2.3.4
Topology 2 Installation Procedure
15.2.3.5
Transforming the Administration Server for Cold Failover Cluster
15.2.3.6
Transforming Oracle WebLogic Managed Servers
15.2.3.6.1
Transforming an Oracle WebLogic Managed Server using the Fusion Middleware Administration Console
15.2.3.6.2
Transforming an Oracle WebLogic Managed Server using the WLST Command Line
15.2.3.7
Transforming Node Manager
15.2.3.8
Transforming Oracle Process Management and Notification Server
15.2.3.9
Transforming Oracle Enterprise Manager for an Oracle Instance
15.2.3.10
Transforming Web Tier Components and Clients
15.2.3.10.1
Transforming Oracle HTTP Server
15.2.3.10.2
Transforming Oracle Web Cache
15.2.4
Transforming Oracle Fusion Middleware Components
15.2.4.1
Transforming Oracle Virtual Directory and Its Clients
15.2.4.1.1
Transforming Oracle Virtual Directory
15.2.4.1.2
Generating a New Key for the Keystore
15.2.4.1.3
Transforming Oracle Virtual Directory Clients
15.2.4.2
Transforming Oracle Directory Integration Platform and Oracle Directory Services Manager and Their Clients
15.2.4.2.1
Transforming Oracle Directory Integration Platform and Oracle Directory Services Manager
15.2.4.2.2
Transforming Oracle Directory Integration Platform and Oracle Directory Services Manager Clients
15.2.4.3
Transforming Oracle Identity Federation and Its Client
15.2.4.3.1
Transforming Oracle Identity Federation
15.2.4.3.2
Transforming Oracle Identity Federation Clients
15.2.4.4
Transforming Oracle Access Manager and Its Clients
15.2.4.4.1
Transforming Oracle Access Manager
15.2.4.4.2
Transforming Oracle Access Manager Clients
15.2.4.5
Transforming Oracle Adaptive Access Manager and Its Clients
15.2.4.5.1
Transforming Oracle Adaptive Access Manager
15.2.4.5.2
Transforming Oracle Adaptive Access Manager Clients
15.2.4.6
Transforming Oracle Identity Manager and Its Clients
15.2.4.6.1
Transforming Oracle Identity Manager
15.2.4.6.2
Transforming Oracle Identity Manager Clients
15.2.4.7
Single Sign-On Reregistration (If required)
15.2.5
Additional Actions for Fusion Middleware Failover
15.2.6
Transforming an Oracle Database
15.2.6.1
Database Instance Considerations
15.3
Oracle Fusion Middleware Cold Failover Cluster Example Topologies
15.3.1
Example Topology 1
15.3.2
Example Topology 2
15.3.3
Example Topology 3
15.4
Transforming the Administration Server in an Existing Domain for Cold Failover Cluster
15.4.1
Destination Topologies
15.4.2
Cold Failover Cluster Transformation Procedure
Part III Appendices
A
Setting Up Auditing with an Oracle RAC Database Store
A.1
Using WebLogic Server to Configure Audit Data Sources and Multi Data Sources
A.2
Configuring the JDBC String for the Audit Loader
B
Recommended Multi Data Sources
B.1
JDBC Multi Data Source-0
B.2
JDBC Data Source-0 (non-XA)
B.3
JDBC Data Source-0 (XA)
C
Oracle Identity Management Workbook
C.1
Workbook Tables for Oracle Identity Management
D
ascrsctl Online Help
D.1
start
D.2
stop
D.3
status
D.4
switch
D.5
delete
D.6
create/disk
D.7
update/disk
D.8
create/vip
D.9
update/vip
D.10
create/dblsnr
D.11
update/dblsnr
D.12
create/db
D.13
update/db
D.14
create/as
D.15
update/as
E
Configuring Distributed Notifications for MDS
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