IBM Brno Mainframe technology
- 2. What is mainframe? - Mainframe is a high-performance computer used for large-scale computing - Companies use Mainframe to host commercial databases, transaction servers and applications - Mainframes are complex and very, very powerful 1 Check out this short video: https://ibm.biz/mainframe-video-introduction
- 3. Did you know? - 80 % of all business data in the world are stored on mainframe - Mainframe 99.999% availability represent 5 min outage per year - Mainframe run 68% of the world’s production workload capacity but at only 6.2% of total server spend - roughly 30 billion transactions per day are processed by mainframe 2
- 4. Who uses mainframe? - 92 of 100 biggest banks - 23 of 25 biggest airlines - 10 of 10 biggest insurance companies 3
- 5. How can you get a job? What we expect: - show your interest in IT & mainframe area - be highly motivated, detail oriented and able to work under pressure Advantage: - experience in Linux / UNIX OS - good general IT knowledge - basic programming skills 4
- 6. Future of mainframes 5 Further grow of existing essential business (finance, airline, retailer..) No other platform can offer resiliency and performance like mainframe Security Most secured business platform. Only commercial system with highest EAL5+ security rating Mobile economy Mobile transaction & mobile application integration to mainframe through API
- 7. Future of mainframes 5 LinuxONE (Linux without limits) Unleash full potential of Linux for business (8000 virtual machines / millions of users / 30 billion of web interactions) Data analytics & Cognitive business Why not run analytics exactly where your data resides? In a Real time! Integrates transaction and analytics in one system CLOUD services Dynamically set resources and host private and public cloud for best price & security.
- 8. What role can you take? 6 Maintain operating system of most performant business machine as Mainframe System Administrator #InstallCurrentVersion #zOSv2.2 #APAR #PTF Watch over critical transactions and databases as Mainframe DBDC system specialist #TransactionNotLooping #DBsUP #transaction #DB2 #IMS #IDMS Solve complex batch processing as Mainframe Production Control Specialist #HaveNoFailedJob #jobrestart #application
- 9. What role can you take? 6 Supervise storage components as Mainframe Storage Specialist #HaveEnoughSpace #disk #VTS #tape #DFHSM #DASD #TS7700 #DFRMM Set and maintain security tools & policies of most secure business machine as Mainframe Security Specialist #ProperAccess #ILoveAudits #privileges #access #policy Adjust and plan performance as Mainframe performance and Capacity Specialist #HaveEnoughPerfomance #MIPS #SoftCapping #HardCapping Maintain Monitoring tool as Mainframe System Automatin Administrator #ProperMonitoring #Netview #ATM #AOC #REXX #ALERTS
- 10. Ready to start your career with Mainframe? Apply: ibm.biz/start-career-mainframe7
- 11. Take a deeper look Technical Guide 8
- 12. Design & client stories Mainframe Design Film (~15min): https://www.youtube.com/watch?v=ErZRSQoTFXw Walmart (~3 min): https://www.youtube.com/watch?v=3C4PJ2bJbRk Tesco (~3 min): https://www.youtube.com/watch?v=DKv9P37NIjI RADIXX CEO story (~8 min): https://www.youtube.com/watch?v=ylBy6aNTqhQ
- 13. Evolution 1964 1970 1980 1990 2000 2004 S/360 S/370 S/370XA – 31 bits ESA/390 z/Architecture – 64 bits MVT, PCP MFT MVS - VTAM VM MVS/XA MVS/ESA OS/390 z/OS DB2 z/VM Linux CICS HW SW USS - TCP/IP WebSphere CMOS – Parallel Sysplex Go through the presentation below, you will get a better picture how mainframes are evolving and how they used to look: https://ibm.biz/mainframe-evolution
- 14. Take a look inside
- 15. Mainframe CPU
- 16. zSeries CPU - z13 chip is a 5.2 GHz 22nm hexa- octa core CISC (complex instruction set computer) based zArchitecture processor - z13 can have a maximum of 141 cores, 120 of which are customer configurable to run operating systems and applications as well
- 17. Mainframe LPARs - One mainframe CPC typically runs several servers and operating systems for several customers
- 18. Batch processing Disk Storage databases Tape Storage Sequential data sets Partners and clients exchange information Reports Backups Data update Reports Statistics, summaries, exceptions Residence Main office Branch offices Account balances bills, etc Processing reports Mainframe Processing batch jobs 44 55 Reports 22 1010 11 88 66 33 CREDIT CARD 1234 5678 90121234 5678 9012 VALID FROM GOOD THRU XX/XX/XX XX/XX/XX PAUL FISCHER XX/XX/XX XX/XX/XX PAUL FISCHER 77 99 System Operator Production Control
- 19. Online processing Disk storage controller Stores database files queries and updates Account activities Office automation systems Mainframe Accesses database Requests ATMs Branch offices Business analysts Inventory control Branch office automation systems SNA or TCP/IP network 55 66 33 22 44 11 Central office