we know                                                                                 they knowKlinikum Chemnitz cuts SA...
The Klinikum Mittleres Erzgebirge         not able to extend capacity further.       The eight HP servers were replaced(KM...
what it currently needs. That’s a very      In 2005, KME had reviewed its             “We measured andsmart solution and a...
percent if you exclude maintenance         PowerVM virtualization technologies,windows. With PowerHA clustering,          ...
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Klinikum Chemnitz ( Healthcare, SAP/DB2/Power Systems/ System Storage/Tivoli, HP )

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Klinikum Chemnitz ( Healthcare, SAP/DB2/Power Systems/ System Storage/Tivoli, HP )

  1. 1. we know they knowKlinikum Chemnitz cuts SAP infrastructureinvestment costs by 20 percent Overview The Challenge storage system to a SAN based on  Key Solution Components Older infrastructure for SAP IBM System Storage DS4000 disk Industry: Healthcare applications at Klinikum Chemnitz systems. Data management was Applications: SAP® ERP® including presented a serious business risk, rationalized by standardizing on core financials, asset management, with database and application IBM DB2, with IBM Tivoli Storage materials management and sales servers that were not protected Manager for automated backup, and distribution components, adequately against failure. The archive and restore services SAP for Healthcare solution, SAP systems had reached the limits of NetWeaver® Business Warehouse their capacity, and could not be  The Benefits Hardware: IBM ® Power Systems™ extended further. The eight physical Reduced initial investment costs by p5-570 and p5-550, IBM System servers in the SAP environment 20 percent and cut operating costs Storage® DS4000 systems, IBM were costly to support, maintain and by 10 percent with a shared System Storage SAN32B-3 administer. infrastructure, using IBM PowerVM (32-port 4GB SAN Switch), IBM to support multiple virtual servers System Storage TS3310 Tape The Solution on each p570 server. Reduced user Library Working closely with Klinikum response times by 35 to 40 percent Software: IBM AIX®, IBM DB2®, IBM Mittleres Erzgebirge GmbH, in dialogue mode and by a factor of Tivoli® Storage Manager Klinikum Chemnitz chose four or five in batch mode. Cut Services: PROFI, an IBM Premier to consolidate to a shared system recovery time in case of Business Partner infrastructure for SAP applications, component failure from one day to using virtualization to reduce from around 10 minutes. Reduced time eight HP servers to two IBM Power for complete data recovery in case Systems servers. Data storage of disaster from one day to around was moved from an isolated RAID two hours.
  2. 2. The Klinikum Mittleres Erzgebirge not able to extend capacity further. The eight HP servers were replaced(KME) and Klinikum Chemnitz operate The whole system architecture was by two IBM Power Systems p5-570several locally owned hospitals outdated and the performance was servers, running the completein the Saxony region of Germany. not meeting the business needs. KME production SAP application landscapeKME possesses about 450 beds was experiencing similar issues, and for both organizations. Two IBMand employs some 700 clinical and had updated its IT infrastructure with p5-550 servers support the other SAPnon-clinical staff, with hospitals help of the latest IBM technology applications, such as development orin Zschopau and Olbernhau. The in 2006. We therefore decided to consolidation systems. Virtual serversKlinikum Chemnitz group is one of the leverage the synergetic potentials and provide separate environments for thelargest hospitals in Germany, running start creating a combined solution in various SAP instances and the DB2a 1,790-bed hospital with 15 clinics, a cooperative project between both databases. Some 800 users at KMEand employing more than 4,000 organizations.” and about 1,700 users at Chemnitzpeople. access the SAP applications, with 600 Prof. Dr.-Ing. Olaf Schlimpert, concurrent users continually using theAll significant business, financial and CEO of MidGerman Health GmbH production systems.patient administration processes Medizininformatik, the IT serviceacross the combined group are provider for Klinikum Chemnitz, “We wanted to create an economicallyhandled by SAP applications, using comments, “It is costly and time- advantageous solution,” says Drthe SAP for Healthcare solution. consuming to run dedicated servers Stefan Förster. “What we foundThe core data needs to be always for each information system, and really interesting regarding the IBMavailable, and, because requirements some of the servers were not being system architecture was the PowerVMare continually changing, the system actively maintained. We only had one virtualization technology. PowerVMneeds to be able to grow and adapt database server, which had reached allows you to run several systemsto new demands. All shared systems the limits of its expansion, and a total within a single machine, even usinginfrastructure was hosted by Klinikum failure would have caused a data different operating systems, andMittleres Erzgebirge at its Zschopau outage of up to 24 hours. We were also with fine-grained logical partitioninglocation. running several operating systems, features. That was a big wow factor for including TRU64, and 32- and 64-bit us, and it was clear that virtualizationDr.-Ing. Stefan Förster, Head of Linux, which further complicated would help us meet our objectives.Medical Informatics at KME, explains, maintenance.”“The Chemnitz system was operating “The former monolithic systems wereat its absolute limits, and we were Possible routes to lower costs dedicated to specific tasks, with To meet the twin challenges of specific RAID storage systems in each availability and scalability, a team machine. We had reached the point “PowerVM allows you to was formed including IT staff from where we simply could not extend run several systems both organizations, led by Dr. the systems in this direction any within a single Förster. The team examined two further cost-effectively. The new IBM machine, even using possible approaches: deploy new architecture has taken us to another different operating server infrastructure at Chemnitz, or level of overall performance and consolidate and extend the systems system flexibility.” systems, and with fine- at Zschopau. The ambition was to grained logical introduce resilient systems, reduce “Virtualization allows us to assign partitioning features. operating costs, and implement capacities automatically, use dynamic That was a big wow scalable systems that would enable load balancing, share virtual I/O factor for us, and it was continued expansion. After an devices and adapters, all of which intensive study covering technical help us to reduce costs and makes IT clear that virtualization feasibility and cost-efficiency, the services management more efficient. would help us meet our consolidation option was selected, The Micro-Partitioning facility allows us objectives.” offering hardware investment cost to assign tenths and even hundredths savings of around 20 percent and of CPU capacity to a virtual server, Dr.-Ing. Stefan Förster Head of Medical Informatics operating cost savings of around 10 dynamically with or without limits, KME percent annually. so that the server always consumes
  3. 3. what it currently needs. That’s a very In 2005, KME had reviewed its “We measured andsmart solution and a highlight for us! database strategy, and selected compared databaseThe technical advantages translate IBM DB2 for SAP applications as the solutions, and DB2 wasdirectly into business benefits, which group-wide standard. A combinationconvinced us to decide for IBM.” of superior performance and lower better than other licensing costs for SAP applications systems, not only inOlaf Schlimpert adds, “The IBM made DB2 the right choice for KME. terms of performancesolution provides some new Klinikum Chemnitz chose to migrate metrics, but alsopossibilities not previously available. from its existing Oracle database concerning handlingIn the old set-up we needed to platform to DB2 for the same reasons,buy new hardware and install which would also ensure a uniform and management ofapplication servers or whatever and simplified landscape for the backups and costs.”was needed – now by virtualization combined operations. Dr.-Ing. Stefan Försterthis is rarely necessary, so we can Head of Medical Informaticsprovide new systems faster and “We wanted to run one, consistent, KMEmore cost-effectively. The bottom database environment, which wouldline is high investment protection reduce workload and make it easierover the next years. Additionally, this to integrate tasks such as backup cost-efficient backup processes thatis a more elegant solution: adding across all systems. We measured and provide operational flexibility.applications and servers does not add compared database solutions, andto complexity, which helps restrain DB2 was better than other enterprise- “We selected IBM Tivoli Storageadministration and maintenance costs, class systems we considered, not Manager to provide incrementaltoo.” only in terms of performance metrics, backups for all SAP and other but also concerning handling and critical data,” says Stefan Förster. “Improving data management management of backups and costs. The IBM Tivoli solution reduces ourDuring the evaluation and Database systems differ substantially administrative overhead for dataimplementation project, the team also from each other when it comes to backup significantly, enables fast andconsidered data management. It was maintenance, and we found that DB2 reliable backup and recovery of data,vital to ensure that data was always offers significant cost savings here,” and provides greater reassurance thatavailable, and that a suitable disaster says Stefan Förster. business-critical information is beingrecovery service was in place. safeguarded at all times.” “Additionally, the DB2 licensing“At the time, SAN technology was arrangements for SAP applications Though backups were completednew to us,” says Stefan Förster. “We provide very attractive price points every day, the previous solution wasreplaced the single RAID backup- and lower costs than competitor vulnerable to server failure. The worst-managed, vulnerable database offerings, with a better cost- case scenario would have been loss ofserver with a SAN based on IBM performance ratio. a full day’s data, with restore times ofSystem Storage DS4000 systems that several hours. To mitigate this risk, thewould ensure that data was reliably Ensuring high availability new IBM servers are clustered usingaccessible, and introduced data Klinikum Mittlere Erzgebirge IBM PowerHA. In the case of servermirroring that would ensure continuity implemented IBM Tivoli Storage failure, workload is automaticallyeven if a specific storage device Manager Solutions across its entire transferred to available servers forbecame unavailable.” SAP and non-SAP application continuous operation. environment, yielding fast andTwo storage servers at different flexible backup, recovery and “Fortunately, we have neverlocations have been deployed, with archiving processes. Resource experienced a major hardware failure,data automatically and continuously utilization can be optimized by and SAP applications have onlymirrored to both locations. This balancing workload between storage been unavailable during plannedarrangement has eliminated the single subsystems. By deploying IBM Tivoli maintenance,” says Stefan Förster.point of failure, and ensures data is Storage Manager, Klinikum Mittleres “SAP application availability on thealways available for the critical patient Ergebirge has minimized system IBM Power Systems servers has beenand administration systems. downtime and implemented simple, better than 99.8 percent – or 99.9
  4. 4. percent if you exclude maintenance PowerVM virtualization technologies,windows. With PowerHA clustering, total energy consumption hasand the data mirrored to the remote been significantly reduced. The IBM Deutschland GmbHDS4000 systems, we expect SAP dedicated RAID arrays in the previous D-70548 Stuttgartapplication availability to become standalone servers have been ibm.com/solutions/sapnear-continuous. replaced by the DS4000 storage IBM, the IBM logo, ibm.com, AIX, DB2, Power Systems, System Storage and Tivoli are systems, which allows total storage trademarks of International Business Machines“PowerHA monitors the systems space to be allocated more efficiently Corporation, registered in many jurisdictions worldwide. A current list of other IBM trademarkscontinuously and disaster recovery is and the energy-hungry RAID systems is available on the Web at “Copyright andautomated, responding automatically to be eliminated. trademark information” at http://www.ibm.com/ legal/copytrade.shtmlto different breakdown scenarios Intel, the Intel logo, Intel Xeon and the Intel Xeonand moving applications from one Common infrastructure – better results logo are trademarks or registered trademarks ofsystem to the other. We operate two The new IBM infrastructure is Intel Corporation or its subsidiaries in the United States and other countries. UNIX is a registeredp570 systems in the cluster and all delivering straight performance trademark of The Open Group in the Unitedproduction SAP systems run on these improvements when compared with States and other countries. Linux is a trademark of Linus Torvalds in the United States, othermachines. In a breakdown scenario, the former solution, and reduced countries, or both. Microsoft, Windows, Windowsperhaps when a hardware component response times are leading to NT, and the Windows logo are trademarks of Microsoft Corporation in the United States, otherfails, the affected systems move to increased user satisfaction and rapid countries, or both.the second machine with no manual user acceptance. Other company, product or service names mayintervention. After 10 minutes the be trademarks, or service marks of others.systems are back online. Stefan Förster comments, “The This case study illustrates how one IBM customer uses IBM and/or IBM Business Partner common infrastructure for the technologies/services. Many factors have“It is well known that server failures hospitals leads to ease of IT contributed to the results and benefits described. IBM does not guarantee comparabletend to happen out of hours or during management, for example through results. All information contained herein wasvacations – yet with PowerHA we joint release updates and software provided by the featured customer and/or IBM Business Partner. IBM does not attest to itsremove the burden from our standby patches. Previously, these tasks accuracy. All customer examples cited representstaff, which saves costs and allows and services were duplicated, how some customers have used IBM products and the results they may have achieved. Actualus to devote time to more proactive whereas now we have the option to environmental costs and performancetasks.” plan and execute upgrades or the characteristics will vary depending on individual customer configurations and conditions. implementation of new features across This publication is for general guidance only.Excellent project management all business units, reducing the cost of Photographs may show design models.Under EU rules, the implementation operation. The next joint task of our IT © Copyright IBM Corp. 2009. All rights reserved.project was offered for public tender, departments will be to migrate to thewhich was won by IBM Business latest release – SAP ERP 6.0.”Partner PROFI. He concludes: “The new IBM“PROFI completed the hardware infrastructure has given us theimplementation promptly and on time, capacity, performance and availability © Copyright 2009 SAP AG SAP AGwith a very smooth set up, integration to complete a number of consolidation Dietmar-Hopp-Allee 16and migration of the production projects successfully. The bottom line D-69190 Walldorfsystems to the new platform, and we is that we are very satisfied with the SAP, the SAP logo, SAP and all other SAP products and services mentioned herein arewere very satisfied with their work. actions and tasks delivered by both trademarks or registered trademarks of SAP AGIBM completed implementation of the PROFI and IBM.” in Germany and several other countries.SAP applications and DB2 migration,again a very satisfactory service,” saysStefan Förster.A spin-off benefit of the programhas been reduced power costs. Byconsolidating its infrastructure to asmaller number of more powerfulIBM Power Systems servers using SPC03095-DEEN-00 (March 2009)

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