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SAP System Operations


Customers who bought this, also bought:
Adaptive Hardware Infrastructures for SAP

by: Michael Missbach, Ralf Sosnitzka, Josef Stelzel, and Matthias Wilhelm

On-line Price: $104.95 (includes GST)

Hardcover package 220

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Retail Price: $149.95

Publisher: SAP Press,1.8.2005

Category: SAP Level:

ISBN: 1592290258

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With system landscapes becoming increasingly more complex, administering them efficiently is proving to be equally difficult. This unique new book provides you with concepts and practical solutions that will enable you to optimize your SAP operations. Get in-depth information to set up a viable Standard Operating Environment (SOE) for SAP systems, as well as time-saving tips for certification and validation of your system landscape. Plus, benefit from and customize the numerous examples and case studies extracted from the worldwide operations of many large SAP customers.

Take advantage of proven solutions, exclusive tips, and practical examples that enable you to better organize your SAP operations. Learn to streamline 24/7 operations, use Service Level Agreements (SLAs), conquer change management challenges, and tackle disaster recovery and security concerns with confidence. You'll also discover expert training recommendations for the management of IT processes. Plus, read about real-world, cross-industry customer insights on the pros and cons of outsourced solutions for your system operation tasks. Although SAP System Operations primarily focuses on SAP systems, you can apply many of the principles found in this indispensable reference book to other ERP and mission-critical software solutions.

Highlights Include:

Practical guidance on validation and certification regulations:
ISO 9000
Good IT Practices (GITP)
Exclusive insights on exploiting SLAs
How to set up a viable SOE
Step-by-step instruction to streamline 24/7 operations
Best practices for change management and quality assurance
Understanding the pros and cons of outsourced solutions
Optimizing the structure of your support organization
Expert training recommendations
Real-world customer case studies
Proven techniques for disaster recovery / high availability and data security

...and much more!

About the Author(s):

Michael Missbach is a Senior Consultant at HP and works in the SAP HP Competence Center in Walldorf (Germany). Mathias Wilhelm, Ralf Sosnitzka and Josef Stetzel currently work at SAP SI. All authors have extensive experience in System Operations and in supporting large computer centers.

Table of Contents:

Preface ... 13

Introduction ... 15

1. IT Operation Management ... 21

1.1 mySAP versus Best-of-Breed ... 22
1.2 Compulsive flexibility ... 25
1.3 Availability, performance and running costs ... 27
1.4 The IT Service Management Reference Model ... 32
1.5 Summary ... 38

2. Validation of SAP Systems ... 41

2.1 Why do systems and processes have to be validated? ... 42
2.2 Validation of computer based systems ... 45
2.3 Validation authorities ... 50
2.4 Standard Operating Environment ... 51
2.5 Standard Operating Procedures ... 65
2.6 Technical Operating Procedures ... 66
2.7 Summary ... 68

3. Service Level Management ... 71

3.1 Performance Management ... 74
3.2 Response time ... 81
3.3 Guaranteed service? ... 84
3.4 Capacity Management ... 86
3.5 Availability Management ... 86
3.6 How much availability is necessary? ... 91
3.7 How much performance is necessary in an emergency ... 95
3.8 How much stability is necessary? ... 102
3.9 How much administration is necessary? ... 106
3.10 Cost transparency ... 107
3.11 Summary ... 108

4. Change Management ... 111

4.1 Operation security and consistency ... 111
4.2 Basics of change management ... 114
4.3 What is a change? ... 117
4.4 How are changes classified? ... 118
4.5 Who can authorize changes? ... 121
4.6 Who keeps a record of what? ...123
4.7 Development of a change ... 125
4.8 What action needs to be taken in an emergency situation? ... 127
4.9 Change-Review-Meeting ... 128
4.10 Change documents ... 129
4.11 Configuration Management ... 133
4.12 Base lining ... 134
4.13 How high is the input? ... 135
4.14 Tools for change management ... 137
4.15 The SOE-Document »Change Control« ... 140
4.16 Summary ... 143

5. SAP-Quality assurance ... 145

5.1 SAP System Landscape ... 145
5.2 SAP Client concept ... 149
5.3 SAP Transport Management System ... 156
5.4 Change and Transport Organizer ... 160
5.5 Instances ... 162
5.6 Enclosed systems ... 163
5.7 Summary ... 164

6. Highly available SAP Systems ... 167

6.1 Integral approach ... 168
6.2 Influences from the environment ... 169
6.3 Hardware Infrastructure ... 176
6.4 Operating systems ... 182
6.5 Applications ... 189
6.6 Implementation of defect-tolerant SAP Systems ... 200
6.7 Summary ... 202

7. Organization of the IT Department ... 205

7.1 Functions level model ... 206
7.2 Service model ... 207
7.3 Organization of a 24x7 operation system ... 209
7.4 Necessity of a shift operation ... 213
7.5 Service and Support Organization ... 217
7.6 SOE Documents for Organization structure ... 223
7.7 Summary ... 240

8. Data security ... 241

8.1 Legal requirements ... 243
8.2 Physical security ... 245
8.3 Security of the SAP System ... 252
8.4 Summary ... 259

9. Operational leadership concept ... 261

9.1 Operation of Hardware Infrastructure ... 262
9.2 Operation of Software Infrastructure ... 268
9.3 Database management ... 275
9.4 Output Management ... 281
9.5 Summary ... 283

10. Outsourcing ... 285

10.1 Between the need to save and the demand for quality ... 286
10.2 Outsourcing Variations ... 289
10.3 What should be considered regarding Outsourcing ... 293
10.4 Summary ... 295

Affix

A. Process descriptions ... 299

B. Tasks roles and training ... 313

C. Sample for a Standard Operating Environment ... 335

D. References ... 347

E. The authors ... 349

Index ...