9781592290253 - sap system operations di missbach, michael; sosnitzka, ralf; stelzel, josef; wilhelm, matthias (2 risultati)
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SAP System Operations [Hardcover] Michael Mißbach Ralf Sosnitzka Josef Stelzel Mathias Wilhelm administering Standard Operation Environment SOE SAP systems certification SAP operations streamline 24/7 operations Service Level Agreements SLAs change management challenge system landscapes
Michael Mißbach Ralf Sosnitzka Josef Stelzel Mathias Wilhelm
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Da: BUCHSERVICE / ANTIQUARIAT Lars Lutzer, Wahlstedt, GermaniaBUCHSERVICE / ANTIQUARIAT Lars Lutzer
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Hardcover. Condizione: gut. Auflage: 1 (Januar 2004). With system landscapes becoming increasingly more complex, administering them efficiently is proving 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 se…t up a viable Standard Operation 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, exploit 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 regulationsISO 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 Synopsis Content: 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 .SAP System Operations Michael Mißbach Ralf Sosnitzka Josef Stelzel Mathias Wilhelm administering Standard Operation Environment SOE SAP systems certification SAP operations streamline 24/7 operations Service Level Agreements SLAs change management challenge Verlagsort Maryland Sprache englisch Maße 180 x 230 mm Einbandart gebunden Mathematik Informatik Informatiker Netzwerke Informatik Hardware ISBN-10 1-59229-025-6 / 1592290256 ISBN-13 978-1-59229-025-3 / 9781592290253 SAP System Operations [Hardcover] Michael Mißbach Ralf Sosnitzka Josef Stelzel Mathias Wilhelm administering Standard Operation Environment SOE SAP systems certification SAP operations streamline 24/7 operations Service Level Agreements SLAs change management challenge system landscapes In englischer Sprache. 350 pages. 24,4 x 17,5 x 2,3 cm.
