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10(ish) Golden Rules for a
S/4HANA Migration
John Appleby
GM, Bluefin Solutions Inc.
• S/4HANA Introduction
 Differences between Suite on HANA and S/4HANA
 Deployment Options
• Preparing for your S/4HANA M...
S/4HANA Introduction
• The next version of SAP Business Suite
• New SKU and Code Fork
 Only supported with the SAP HANA DB
• S/4HANA themes:
...
S/4HANA Deployment Options
5
Public Cloud
• Shared HANA multi-
tenant DB
• HANA Cloud Platform
Extensions
• Quarterly Rele...
SAP S/4HANA Roadmap
6
http://www.sap.com/bin/sapcom/en_us/downloadasset.2015-03-mar-02-23.sap-s-4hana-frequently-asked-que...
SAP S/4HANA Customer Journey
7
http://www.sap.com/bin/sapcom/en_us/downloadasset.2015-03-mar-02-23.sap-s-4hana-frequently-...
Planning for your migration
• Most Customers look for a technical migration first
 To S/4HANA or Suite on HANA
• Out of Scope:
 HANA Live / Analytic...
• Cover all Technical Migration activities
 Upgrade to ECC 6.0 EhP7 (if necessary)
 Unicode Conversion (if necessary)
 ...
• Build one Integrated Schedule
 Weekly goals
• Include all teams above
 And partners!
 Assign ownership
• Agree schedu...
4) Define Stakeholders & Comms Plan
12
Functional
PMOBasis
Release
Management
BW/
Analytics
Integration
Change
Management
...
• Build first sandbox immediately
 Recent production copy
 Production sized!
 Include integration environment (if possi...
• Business Suite systems often venerable
 Housekeeping is not always done
 A clean system is #1 way to de-risk your proj...
• Disk Databases are inexpensive
 Data Reduction rarely considered
• Top 100 tables usually 90% of DB space
 Run HANA si...
• Test Management is critical
 Some customers have a mature strategy
 Some do not
• Revise your test management strategy...
• Make sure you are on the latest latest SP!
 http://scn.sap.com/community/abap/custom-code-management
• Custom Code Mana...
• Complete Sizing
 Sandbox system is a great way to size accurately
 Sizing tools are good alternative
• Consider techni...
• HANA supports system replication
 Active/Passive Synchronous (HA)
 Multi-tier Asynchronous (DR)
 SUSE Linux supports ...
• HANA Advisory Council
 https://blogs.saphana.com/2015/01/12/now-time-plug-sap-hana-customer-communities
• HANA Ambassad...
• Cutover plan touches many teams
 But most teams build “MY PLAN”
• Build an integrated plan
 All teams, all activities
...
John Appleby
john.appleby@bluefinsolutions.com
@applebyj
bluefinsolutions.com/johnappleby
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10 Golden Rules for S/4 HANA Migrations

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Learn how to execute a SAP S/4HANA Migration - what are the things you need to know? Also check out the repeat of the webinar here! https://sap.na.pgiconnect.com/p2480o9iw1f/

Published in: Technology

10 Golden Rules for S/4 HANA Migrations

  1. 1. 10(ish) Golden Rules for a S/4HANA Migration John Appleby GM, Bluefin Solutions Inc.
  2. 2. • S/4HANA Introduction  Differences between Suite on HANA and S/4HANA  Deployment Options • Preparing for your S/4HANA Migration  Building an integrated schedule  Sandboxing and prototypying  Housekeeping & Solution Manager  Change Management & Test Management  Sizing, Architecture, HA, DR, Backup & Recovery What you will learn today 2
  3. 3. S/4HANA Introduction
  4. 4. • The next version of SAP Business Suite • New SKU and Code Fork  Only supported with the SAP HANA DB • S/4HANA themes:  Renewed interface with Fiori UX  Simplified structure with SAP HANA  Cloud deployment first What is S/4HANA 4
  5. 5. S/4HANA Deployment Options 5 Public Cloud • Shared HANA multi- tenant DB • HANA Cloud Platform Extensions • Quarterly Release Schedule • 100% Managed by SAP • Automatic Updates Managed Cloud • Managed HANA DB and network • HANA Cloud Platform Extensions • ABAP Customization • Quarterly Release Schedule • 100% Managed by SAP • Scheduled Updates On-Premises • On-Premises or Hosted • ABAP Customization • Yearly Release Schedule • Managed by Customer/Partner • Update schedule defined by customer
  6. 6. SAP S/4HANA Roadmap 6 http://www.sap.com/bin/sapcom/en_us/downloadasset.2015-03-mar-02-23.sap-s-4hana-frequently-asked-questions-pdf.bypassReg.html
  7. 7. SAP S/4HANA Customer Journey 7 http://www.sap.com/bin/sapcom/en_us/downloadasset.2015-03-mar-02-23.sap-s-4hana-frequently-asked-questions-pdf.bypassReg.html
  8. 8. Planning for your migration
  9. 9. • Most Customers look for a technical migration first  To S/4HANA or Suite on HANA • Out of Scope:  HANA Live / Analytics  Simple Finance (i.e. S/4HANA) • Suite on HANA is the stepping stone to S/4HANA  Then perform code changes, activate S/4HANA extensions • S/4HANA direct migration expected late 2015  N.B. Migrating to SoH is a great first step to S/4HANA! 1) Define Project Scope 9
  10. 10. • Cover all Technical Migration activities  Upgrade to ECC 6.0 EhP7 (if necessary)  Unicode Conversion (if necessary)  HANA Migration • Restitution  “As fast, faster, or much faster”  ABAP code optimization (some things will be slower) 2 Define Technical Scope 10 ECC EHP 7 Upgrade Unicode ECC to HANA MIgration New GL SFIN S/4HANA ECC on HANA
  11. 11. • Build one Integrated Schedule  Weekly goals • Include all teams above  And partners!  Assign ownership • Agree schedule with all teams  Takes time (1-2 weeks)  Aligns with project prep phase 3) Build the Integrated Schedule 11
  12. 12. 4) Define Stakeholders & Comms Plan 12 Functional PMOBasis Release Management BW/ Analytics Integration Change Management Test Management Business Owners Sponsors ABAP Infrastructure Enterprise Security SAP Security
  13. 13. • Build first sandbox immediately  Recent production copy  Production sized!  Include integration environment (if possible) • Build it for real!  Full migration with documentation  All functional work • Include test cycle  Unit testing  Integration testing  Performance/Stress testing 5) Sandbox & Prototype 13
  14. 14. • Business Suite systems often venerable  Housekeeping is not always done  A clean system is #1 way to de-risk your project! • DRAM is expensive!  Basis tables alone cost ~150GB of DRAM below  Multiplied by N production sized systems! TB! • Run HANA sizing guide  SAP Note 1736976 (BW)  SAP Note 1793345 (ECC)  Look for Big Basis Tables  SAP Note 706478 • Include in Schedule 6) Focus on Housekeeping 14
  15. 15. • Disk Databases are inexpensive  Data Reduction rarely considered • Top 100 tables usually 90% of DB space  Run HANA sizing guide  SAP Note 1736976 (BW)  SAP Note 1793345 (ECC) • Analyze Top 100 tables  Create action plan  PSA, DSO Change Log deletion (BW)  IDOC, Old Functional Areas, Data Archiving (ECC) • Remember every GB saved is 10-20GB stored! 7) Data Reduction Program 15
  16. 16. • Test Management is critical  Some customers have a mature strategy  Some do not • Revise your test management strategy  Test Automation  Test Coverage  Test Prioritization • Reduce your time to complete testing!  How long does it take to complete regression test? 8) Change & Test Management
  17. 17. • Make sure you are on the latest latest SP!  http://scn.sap.com/community/abap/custom-code-management • Custom Code Management Tools (CCMT)  Custom Code Management Cockpit (CDMC)  Usage & Procedure Logging (UPL)  CloneFinder • Use these tools in combination with:  Testing  Process prioritization by business users 9) Solution Manager is your friend! 17 Test Strategy Priority Testing Clones CDMCUPL
  18. 18. • Complete Sizing  Sandbox system is a great way to size accurately  Sizing tools are good alternative • Consider technical architecture  HANA supports database multi-tenancy 10) Architect for S/4HANA
  19. 19. • HANA supports system replication  Active/Passive Synchronous (HA)  Multi-tier Asynchronous (DR)  SUSE Linux supports automated host failover • Very low cost to implement  As compares to e.g. RAC  Most HANA systems are HA • Even lower cost options  Share QA & DR 11) Architect for HA/DR
  20. 20. • HANA Advisory Council  https://blogs.saphana.com/2015/01/12/now-time-plug-sap-hana-customer-communities • HANA Ambassador Program  North America only  Ask your SAP Account Executive • Max Attention / Active Embedded  Various services provided  Some useful (going live services, custom code) • Active Global Support  Going live services 12) Get Support from SAP
  21. 21. • Cutover plan touches many teams  But most teams build “MY PLAN” • Build an integrated plan  All teams, all activities  Number the plan  Align the numbers with the cutover doc • Track forecast and actual  Tool doesn’t matter (Project, Excel etc.) 13) Build an integrated cutover plan
  22. 22. John Appleby john.appleby@bluefinsolutions.com @applebyj bluefinsolutions.com/johnappleby

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