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16.4.3 Fault Tolerant Resource Adaptors
When a fault tolerant Resource Adaptor is activated in Rhino, all activities it creates and their associated state are replicated to
all cluster members. This means that if a cluster node fails, the surviving nodes are able to reassign the activities that the failed
node was responsible for. To configure replication of activities for a Resource Adaptor, the
replicate-activities
attribute
should be set in the Resource Adaptor’s
oc-resource-adaptor-jar.xml
deployment descriptor:
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE oc-resource-adaptor-jar PUBLIC
"-//Open Cloud Ltd.//DTD JAIN SLEE Resource Adaptor Extension 1.0//EN"
"http://www.opencloud.com/dtd/oc-resource-adaptor-jar_1_0.dtd">
<oc-resource-adaptor-jar>
<resource-adaptor id="SimpleRA">
<resource-adaptor-classes>
<resource-adaptor-class>
<resource-adaptor-class-name>
com.opencloud.slee.resources.simple.SimpleResourceAdapter
</resource-adaptor-class-name>
</resource-adaptor-class>
</resource-adaptor-classes>
<ra-properties replicate-activities="True"/>
</resource-adaptor>
</oc-resource-adaptor-jar>
16.4.4 Fault Tolerance and High Availability
Replication of SBB state via a replicated MemDB and replication of activity state both carry some performance penalties along
with the benefits of fault tolerance. Because the decision to use activity replication is application dependent, Rhino allows
this to be configured on a per service and per resource adaptor level. It is also permissible to have a mix of replicated (Fault
Tolerant) and non-replicated (Highly Available) resource adaptors and services.
For more information on configuring application using extension deployment descriptors please refer to Section18.5 in Chapter
18.
Open Cloud Rhino 1.4.3 Administration Manual v1.1 99
- Open Cloud Rhino SLEE 1.4.3 1
- Administration Manual 1
- November 2, 2006 (1838) 2
- Contents 3
- Introduction 10
- The Rhino SLEE Platform 12
- 2.3 Integration 13
- 2.4 Service Development 14
- 2.5 Functional Testing 15
- 2.6 Performance Testing 15
- 2.7 Software Development Kit 16
- JAIN SLEE Overview 17
- 3.3 Event Driven Applications 18
- 3.4 Components 18
- 3.5 Provisioned Data 18
- 3.6 Facilities 18
- 3.7 Activities 19
- 4.2.3 Firewalls 22
- 4.2.4 Unpacking 22
- 4.2.5 Installation 22
- 4.2.6 Unattended Installation 23
- 4.2.7 Configuring a Cluster 23
- 4.2.9 Configuring the Cluster 25
- 4.3 Cluster Lifecycle 26
- 4.3.2 Starting a Node 27
- 4.3.3 Starting a Quorum Node 27
- 4.3.4 Automatic Node Restart 27
- 4.3.5 Starting the SLEE 27
- 4.4 Management Interface 28
- 4.5 Setting the system clock 29
- 4.6 Optional Configuration 30
- 4.7 Installed Files 31
- 4.8 Runtime Files 32
- 4.8.2 Logging output 33
- Management 35
- 5.2 Management Tutorials 36
- 5.3 Building the Examples 37
- 5.5 Installing a Service 40
- 5.6 Uninstalling a Service 43
- 5.8 Creating a Profile 46
- 5.9 SLEE Lifecycle 50
- 5.9.4 The Stopping State 51
- 5.9.2 The Starting State 51
- 5.9.3 The Running State 51
- Administrative Maintenance 52
- 6.2.2 Removing Activities 54
- 6.2.3 Inspecting SBBs 55
- 6.2.4 Removing SBB Entities 56
- 6.2.5 Removing All 56
- 6.3 Upgrading a Cluster 57
- 6.3.3 Deploying State 58
- 6.4 Backup and Restore 59
- Export and Import 60
- 7.2 Exporting State 61
- 7.3 Importing State 62
- 7.4 Partial Imports 63
- Statistics and Monitoring 65
- 8.2 Performance Implications 66
- 8.3 Console Mode 66
- 8.3.1 Useful output options 67
- 8.4 Graphical Mode 68
- Web Console 73
- 9.2.2 Managed Objects 74
- 9.2.3 Navigation Shortcuts 74
- 9.3 Deployment Architecture 75
- 9.3.2 Standalone Web Console 76
- 9.4 Configuration 77
- 9.5 Security 77
- 9.5.2 Declarative Security 78
- 9.5.3 JAAS 78
- Log System Configuration 79
- 10.3 Logging Configuration 80
- 10.3.2 Web Console Logging 81
- Chapter 11 84
- 11.2.2 Web Console 85
- Threshold Alarms 87
- 12.5 Types of Rule Conditions 88
- 12.6 Creating Rules 89
- 12.6.2 Command Console 90
- Chapter 13 92
- 13.3.1 Configuration 93
- Licensing 94
- 14.2 Alarms 95
- 14.2.4 Management Interface 96
- 14.2.5 Audit Logs 96
- Security Configuration 97
- 15.3 Network Connections 98
- 15.4 Signing Deployable Units 99
- 15.5 Key Stores 100
- 15.6 Transport Layer Security 100
- 15.7 JAAS Configuration 101
- Performance Tuning 103
- 16.2.3 Tuning Recommendations 104
- 16.2.1 Configuration 104
- 16.2.2 Stage Tuning 104
- 16.3 Object Pool Configuration 105
- 16.4 Fault Tolerance 106
- Clustering 109
- 17.3 Scenarios 110
- 17.4 Configuration Parameters 111
- Application Environment 113
- 18.2.2 Concurrency Control 114
- 18.3 Application Configuration 115
- 18.5.4 Example 119
- 18.6 Application Fail-Over 120
- 18.6.2 Management Interface 121
- Database Connectivity 122
- 19.3 Configuration Example 123
- 19.4 SBB use of JDBC 124
- 19.4.1 SQL Programming 125
- J2EE SLEE Integration 127
- PostgreSQL Configuration 131
- 21.4 TCP/IP Connections 132
- 21.5 Access Control 132
- SIP Example Applications 138
- 22.2 System Requirements 139
- 22.3 Directory Contents 139
- 22.4 Quick Start 139
- 22.4.2 Building and Deploying 140
- 22.5 Manual Installation 144
- 22.6 Using the Services 152
- 22.6.4 Enabling Debug Output 156
- JCC Example Application 157
- 23.2.1 Resource Adaptor 158
- 23.2.3 Service Logic 160
- 23.3 Directory Contents 163
- 23.4 Installation 163
- 23.6.1 Trace Components 170
- 23.6.3 Creating a Call 171
- 23.7 Call Duration Service 172
- Customising the SIP Registrar 178
- 24.4 Extending with Profiles 181
- Hardware and Systems Support 182
- A.2.4 Application Example 184
- Redundant Networking 186
- Entities 191
- C.3 Configuration Properties 192
- C.4 Entity Binding 193
- Transactions 194
- D.3.3 Summary 195
- D.4.3 Commit Protocols 196
- Audit Logs 197
- E.2 Example Audit Logfile 199
- Glossary 200
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