Inhaltsverzeichnis

Alle Kapitel aufklappen
Alle Kapitel zuklappen
Preface
13
Target Audience
13
How to Read This Book
14
How This Book Is Organized
14
Acknowledgments
17
1 Introduction
19
1.1 SAP Real-Time Replication Tools
20
1.2 SAP LT Replication Server Technical Functionality
21
1.3 Architecture
23
1.4 Replication Scenarios
24
1.4.1 ABAP to ABAP Scenario
24
1.4.2 ABAP/Non-ABAP to SAP BW Scenario
25
1.4.3 ABAP/Non-ABAP to SAP S/4HANA Scenario (Central Finance)
26
1.4.4 ABAP/Non-ABAP to SAP Data Services Scenario
27
1.4.5 ABAP to SAP Data Intelligence Cloud Scenario
27
1.5 Sizing Considerations
28
1.6 Deployment Options
30
1.7 Installation
32
1.8 SAP LT Replication Server: Multisupport System
33
1.9 Features
35
1.9.1 Email Notifications
35
1.9.2 Replication Logging
36
1.9.3 Archival Features
37
1.10 Use Cases
37
1.10.1 Data Migration
37
1.10.2 Data Consolidation
43
1.10.3 Real-Time Reporting
44
1.11 Summary
47
2 Loading and Replication to SAP HANA
49
2.1 Architecture
50
2.2 Overview of Replication Process
51
2.3 Authorizations
52
2.4 Configuring Replication Process
54
2.4.1 Creating SAP LT Replication Server Configuration
54
2.4.2 Triggering Table Load and Replication
57
2.5 Managing Outages When Replicating Data
63
2.5.1 Source System Is Down
64
2.5.2 SAP LT Replication Server Is Down
65
2.5.3 Target SAP HANA System Is Down
65
2.6 Summary
65
3 Loading and Replication to SAP BW or SAP BW/4HANA
67
3.1 Architecture
69
3.2 Overview of the Replication Process
70
3.3 Authorizations
73
3.4 Configuring the Replication Process
74
3.4.1 Creating a Configuration in SAP LT Replication Server
75
3.4.2 Activating ODP Usage for SAP LT Replication Server
78
3.4.3 Creating a Logical System in SAP BW
79
3.4.4 Creating Transfer Objects in SAP BW
80
3.4.5 Creating an Advanced DataStore Object
83
3.5 Managing Outages When Replicating Data
89
3.5.1 Source System Is Down
90
3.5.2 SAP LT Replication Server Is Down
91
3.5.3 Target System Is Down
91
3.6 Summary
92
4 Loading and Replication to Central Finance and SAP S/4HANA
93
4.1 Architecture
94
4.2 Authorizations
97
4.3 Configuring Replication Process
98
4.3.1 Creating the SAP LT Replication Server Configuration
98
4.3.2 Creating Predefined Migration Objects
101
4.3.3 Triggering Table Load and Replication
106
4.4 Managing Outages When Replicating Data
112
4.4.1 Source System Is Down
113
4.4.2 SAP LT Replication Server Is Down
114
4.4.3 Target SAP S/4HANA System Is Down
114
4.5 Summary
115
5 Loading and Replication to Cloud Applications
117
5.1 Using SAP Data Services
118
5.1.1 Architecture
120
5.1.2 Overview of the Replication Process
121
5.1.3 Authorizations
123
5.1.4 Configuring the Replication Process
124
5.1.5 Managing Outages When Replicating Data
143
5.2 Using SAP Data Intelligence Cloud
144
5.2.1 Architecture
146
5.2.2 Overview of the Replication Process
147
5.2.3 Authorizations
149
5.2.4 Configuring the Replication Process
151
5.2.5 Managing Outages When Replicating Data
166
5.3 Summary
168
6 Scheduled Downtime: Recovery Procedures
169
6.1 SAP Source System Undergoing Upgrade Process
170
6.1.1 Initial Steps
170
6.1.2 Drop the SAP LT Replication Server Triggers in the Source System
172
6.1.3 Recreate the SAP LT Replication Server Triggers
175
6.1.4 Compare the Structure and Resolve Inconsistencies
178
6.1.5 Final Steps
179
6.2 DMIS Upgrade in Source System and SAP LT Replication Server
181
6.2.1 Initial Steps
181
6.2.2 Drop the SAP LT Replication Server Triggers in the Source System
183
6.2.3 Recreate the SAP LT Replication Server Triggers
186
6.2.4 Compare the Structure and Resolve Inconsistencies
188
6.2.5 Final Steps
190
6.3 Target SAP HANA System Undergoing Patch Upgrade
192
6.3.1 Initial Steps
193
6.3.2 Connection Test
194
6.3.3 Final Steps
197
6.4 Source System Undergoing Database Migration
198
6.4.1 Initial Steps
198
6.4.2 Drop the SAP LT Replication Server Logging Tables in the Source System
200
6.4.3 Recreate the SAP LT Replication Server Triggers and Logging Tables
201
6.4.4 Final Steps
203
6.5 Source Transition from On-Premise to Private Cloud
204
6.6 Switch Replications from One SAP LT Replication Server System to Another
208
6.7 Summary
211
7 Security
213
7.1 User Management
213
7.1.1 SAP LT Replication Server
214
7.1.2 ABAP Source System
214
7.1.3 Non-ABAP Source System
215
7.2 Authorization Objects
215
7.2.1 S_DMIS
216
7.2.2 S_DMC_S_R
218
7.2.3 S_DMIS_SLT
219
7.2.4 S_DMIS_MOM
219
7.2.5 S_DHCDCACT
220
7.2.6 S_DHBASACT
221
7.2.7 S_DHCDCCDS
222
7.2.8 S_DHCDCTAB
224
7.2.9 S_DHCDCSTP
224
7.2.10 S_DMISIUCA
225
7.3 Roles and Privileges
226
7.3.1 User Roles for SAP LT Replication Server
227
7.3.2 User Roles for ABAP Source System
228
7.3.3 User Roles for Non-ABAP Source System
230
7.3.4 User Roles for ABAP Targets
231
7.3.5 User Roles for the SAP HANA Target System
232
7.3.6 Limiting Access in Source System
239
7.4 Network and Communication Security
243
7.4.1 Configuring Access to ABAP Source Systems
244
7.4.2 Configuring Access to Non-ABAP Source System
245
7.4.3 Configuring Access to Target SAP HANA System
245
7.5 Summary
246
8 Performance Optimization
249
8.1 Optimizing Initial Data Loads
249
8.1.1 Preparation Activities
251
8.1.2 Reading Types
251
8.1.3 Parallelization Job Settings
264
8.1.4 Filter Unwanted Data
265
8.1.5 Planning the Initial Load
267
8.2 Performing and Optimizing Data Replication
267
8.2.1 Options for Logging Tables
268
8.2.2 Generic Ranges and Range Conditions
270
8.2.3 Filter Conditions
274
8.3 Subscription-Based Change Data Capture
275
8.4 Summary
275
9 Transformations
277
9.1 Type Mapping
277
9.1.1 Data Type Handling for Source and Target System
278
9.1.2 Global Mapping Values
283
9.1.3 Mapping Values for Table
284
9.2 Rule Assignment
286
9.2.1 Field-Based Rules
286
9.2.2 Event-Based Rules
288
9.2.3 Filter Rules
290
9.3 Summary
291
10 Monitoring
293
10.1 Email Notifications
294
10.2 Health Checks
299
10.3 Using SAP Solution Manager
301
10.4 Summary
304
11 Troubleshooting
305
11.1 Resolving Common Replication Errors
305
11.1.1 Duplicate Key Issue
305
11.1.2 Cannot Replicate Data from Table XXX, Different Trigger Option Exists
306
11.1.3 Table Does Not Exist or Unknown
307
11.1.4 Communication Issue
307
11.1.5 Cannot Create Logging Table /1CADMC/XXXX; Table Exists with Different Structure
308
11.2 Resolving Structural Inconsistencies between Source and Target
308
11.3 Transactions for Troubleshooting
309
11.4 Summary
310
The Authors
311
Index
313