Business continuity with SAP on IBM i

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COMMON Europe Congress 2012 - Vienna

COMMON Europe Congress 2012 - Vienna

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  • 1. Christian Bartels – SAP on IBM i Development11 June 2012Business Continuity withSAP on IBM iMinimizing planned and unplanned downtime © 2012 IBM CorporationBusiness Continuity with SAP on IBM iAgenda Concepts of business continuity Physical and logical data replication SAP application availability Live Partition Mobility SAP near Zero Downtime Maintenance2 © 2012 IBM Corporation 1
  • 2. Business Continuity with SAP on IBM iConcepts of business continuityPlanned outages: Unplanned outages: Software maintenance Hardware nZDM*) failure Hardware maintenance Live Partition Mobility Offline Disaster backup Application Availability Database *) near Zero maintenance Data replication Downtime Maintenance3 © 2012 IBM CorporationBusiness Continuity with SAP on IBM iIndependent Auxiliary Storage Pools (iASP) System ASP IASP#1 IASP#2 /sapmnt/<sid> /IASP#1/sapmnt/<sid> R3<sid>DATA /sapmnt/trans /IASP#1/sapmnt/trans /usr/sap/<sid>/... R3<sid>JRN UDFS Work manage- SAP<sid>DB ment objects SAP<sid>JRN SQL packages Operating system Single level storage – unique virtual address for each object4 © 2012 IBM Corporation 2
  • 3. Business Continuity with SAP on IBM iOperating system resiliency technology Geographic Mirroring cluster Page-level copy • Independent ASPs on internal or external storage • IBM i 6.1: Synchronous transmit only • IBM i 7.1: Synchronous or asynchronous transmit • IBM i Option 41, High Availability Switchable Resources • Maximum distance dependent on link speed (latency)5 © 2012 IBM CorporationBusiness Continuity with SAP on IBM iStorage resiliency technology Metro Mirror / Global Mirror cluster Boot from SAN Flash copy Tape backup FlashCopy Metro/Global Mirror Basic SAN Copy Services • External storage only • IBM i 6.1: DS6000™, DS8000® • IBM i 7.1 TR3: SAN Volume Controller (SVC), Storwize® V7000 • IBM i Option 41, High Availability Switchable Resources • IBM PowerHA® SystemMirror for i 7.1 (5770-HAS) • IBM PowerHA® SystemMirror for i Enhancements (5799-HAS) • Metro Mirror = synchronously, Global Mirror = asynchronously6 © 2012 IBM Corporation 3
  • 4. Business Continuity with SAP on IBM iLogical data replication Logical replication Remote journal • Object-based replication through journaling • Database and other objects (including IFS) • Internal or external storage, no hardware dependencies • Replication software offered by several vendors • Concurrent data access7 © 2012 IBM CorporationBusiness Continuity with SAP on IBM iIBM i clusters and cluster resource services IBM i Cluster with PowerHA System Mirror for i Application cluster resource group CRG exit programm: R3SAP400/SAPCRGEXIT (installed with SAPHOSTAGENT) Device cluster resource group SAP NetWeaver database and journal receiver libraries (ABAP and Java) Device cluster resource group Global file system for SAP Virtual host names – virtual (“takeover”) IP addresses8 © 2012 IBM Corporation 4
  • 5. Business Continuity with SAP on IBM iSAP on IBM i distributed landscape Clustered SAP central services Physical host Switchover Switchover cluster infrastructure cluster infrastructure Application SCS ASCS SCS ASCS server 1 ERS ERS Local file system Local file Local file system system ... Clustered database Independent Auxiliary Independent Auxiliary Storage Pool (iASP) Storage Pool (iASP) Physical host Application ABAP ABAP server n schema schema Java Java schema schema Local file system Clustered file system Global file Global file system system9 © 2012 IBM CorporationBusiness Continuity with SAP on IBM iRedundant 2-tier SAP landscape SCS ASCS ERS ERS Web Web dispatcher dispatcher Application Application server 1 server n ABAP ABAP 2-tier or schema schema 2½-tier Java File Java File schema schema 3-tier system system Central instance split up into central services for ABAP (ASCS) and Java (SCS). Enqueue replication server (ERS) holding a replica of the lock table.10 © 2012 IBM Corporation 5
  • 6. Business Continuity with SAP on IBM iInstalling SAP NetWeaver ABAP in a clustered environment Primary /iASP/sapmnt/<sid> Secondary /sapmnt/<sid> /sapmnt/<sid> /usr/sap/<sid>/SYS/exe SAPFShostV /usr/sap/<sid>/SYS/exe /usr/sap/<sid>/SYS/global /usr/sap/<sid>/SYS/global /usr/sap/<sid>/SYS/profile SAPGLOBALHOST /usr/sap/<sid>/SYS/profile /usr/sap/<sid> /usr/sap/<sid> /usr/sap/<sid>/<instance> /usr/sap/<sid>/<instance> ERS ERS ASCS R3<sid>DATA ASCS Appl.Svr. <sid>DBhostV Appl.Svr. SAPDBHOST <sid>ASCShostV <sid>ASCShostV 1. Install ASCS twice; once on each virtual host: primary and secondary. 2. Install ERS twice; once on each real host: primary and secondary. 3. Install DB once; only on the primary virtual host. SAP Note 1635602 4. Install Central Instance once (for future upgrades) 5. Install additional Application servers anywhere on real hosts.11 © 2012 IBM CorporationBusiness Continuity with SAP on IBM iLive Partition Mobility with POWER7® and IBM i 7.1 TR4 Move a running partition from one POWER7 server to another with no application downtime → successfully tested with SAP on IBM i. Movement to a different server with no loss of service Virtualized SAN and N etwork Infrastructure Virtualized SAN and N etwork Infrastructure Reduce planned downtime by moving Rebalance processing power workloads to another server during across servers when and system maintenance. where you need it.12 © 2012 IBM Corporation 6
  • 7. Business Continuity with SAP on IBM i Requirements for Live Partition Mobility Software HMC/Firmware HMC V7R7.5.0M0 Firmware: 740.40 or 730.51 VIOS 2.2.1.4 PowerVM Enterprise Edition Hardware and I/O Operating system All I/O through the VIOS IBM i 7.1 TR4 (SF99707 level 4) Virtual SCSI, NPIV (fibre channel), Virtual Ethernet External Storage Same external storage to both source and destination POWER7 Hardware https://www.ibm.com/developerworks/mydeveloperworks/wikis/home?lang=en# /wiki/IBM%20i%20Technology%20Updates/page/Live%20Partition%20Mobility 13 © 2012 IBM Corporation Business Continuity with SAP on IBM i SAP concepts of downtime minimization for software maintenanceAny system based „Downtime Minimization Services“ Customeron SAP NetWeaver of SAP Consulting and projects Technology SAP Active Global Support „Near Zero Downtime Maintenance“ Planned SAP EP (nZDM) procedures for support availability: SAP PI packages of SAP EP and SAP PI 2013*)Any system based „Near Zero Downtime Maintenance“ Plannedon SAP NetWeaver (nZDM) capabilities of EHP installation availability: Technology with Software Update Manager (SUM) Q4 2012*) *) Statement of direction – may be subject of change 14 © 2012 IBM Corporation 7
  • 8. Business Continuity with SAP on IBM iSoftware Update Manager (SUM): nZDM capabilitiesUpgrade,EHP Uptime Business downtime Uptimetoday dd -on s sp m er -on n poorter d a dd tr anst om rts s steemito ry vaalsd annd rat tiooa d ati on m ry PRRAim po st tmitc ch uti on lidi ati d sy ystpos sito neera(L oa ionn) d on A, , AIor rt meenh d i f r u t o v e tst a on n t annecafiicicotf c cus • XXP inin imdjdjrusswwit e c u ti geenENN (L M ex t ) ow s re po • Maable aato y y s T e e x ec s ap ec rt of ad oww re T s a gG E • Maablosisitor s p po rt S G sh ad neew u AI Mt sm po S inn sh tete n • TT eppo I m p e I •R e iCreaa • R e Cr •Future • Uptime Bus. downtime UptimeSUM SP5*) po rts ec ific tedd b l. . ta te m ito ry itct h itor ry rts ific lay y eltaa ti o n vaalsd annd by tpb m ry rat tiooa d ati on ec cteappplsy steos sito y ns spo D c u ti o repplal ddelt n ns s r sppec lidi ati d swwipc s sito n t ne ra(L oa ionn) d on paarRAA,mpoorttmeen v e tst a in SM eexe t SHHDxe cu ge neN (L affffonee doww sy eppo ) D r traan p P R i p u s tm s e po on e r s ren al • Maable adee up glres s T e o ge E N o w re a gr ad h y ua ble • X P in imdj us SH oD e r tr Fi in T ad d- om e R e SG E ad ststom R F r • C l o ha d ne w • X aabne aadj rt 11 ,nAAIMt s SG inn SH m e i I r • iC s shaee ne iCuststom d-o Cuu p C n eat t •M l in r a Cu a i • CCre • TT al n t • • e Online delta replay XPRA, AIM (trigger-based) execution part 215 *) Statement © 2012 IBM Corporation of direction – may be subject of changeBusiness Continuity with SAP on IBM inZDM for EP: Mirror update with switchover (planned 2013)*) Customer System Mirror System Copied Customer System Normal production Normal production No restrictions No restrictions SP n SP n Clone productive system Record changes Record changes Applications can run SP n SP n SP n SP n Applications can run in record mode or in in record mode or in Standard update Standard update read only mode read only mode record Apply SP on mirror Apply SP on mirror changes system system Change Recorder SP n+m SP n+m Transfer changes Transfer changes transfer Transfer recorded Transfer recorded changes changes and adapt changes and adapt System down to target SP level to target SP level System down Switch to mirror Switch to mirror system, log off Switch to mirror system system, log off Normal production Normal production users users SP n+m SP n+m Users log on to new Users log on to new Stop production Stop production system system No restrictions No restrictions16 *) Statement © 2012 IBM Corporation of direction – may be subject of change 8
  • 9. Business Continuity with SAP on IBM inZDM for PI: Mirror update with back copy (planned 2013)*)17 *) Statement © 2012 IBM Corporation of direction – may be subject of changeBusiness Continuity with SAP on IBM iSAP Downtime Minimization Services Downtime Host A Original SAP system change recording Final delta replay Useful for major projects, such as: clone • Upgrade • Unicode conversion Host B • Client consolidation Host B • Migration Intermediate Target SAP SAP system system Upgrade/consolidation/conversion Offered by SAP Consulting and SAP Active Global Support18 © 2012 IBM Corporation 9
  • 10. Business Continuity with SAP on IBM iThank you for your time today.For more information: IBM developerWorks – SAP on IBM i http://www.ibm.com/developerworks/ibmi/sap IBM Support and services: SAP on IBM i http://www.ibm.com/systems/i/support/erp SAP Community Network – SAP on IBM i http://www.sdn.sap.com/irj/sdn/db4 SAP Community Network – High Availability http://www.sdn.sap.com/irj/sdn/ha SAP Note 1635602: Attachment “SAP High Availability on IBM i Configuration Guide” SAP Note 568820: “IBM i: Implementing an Independent ASP (iASP) System” Downtime Minimization Services from SAP: http://www.service.sap.com/downtimeminimizationContact: Christian Bartels +49-6227-7-45488 christian.bartels@de.ibm.com19 © 2012 IBM CorporationBusiness Continuity with SAP on IBM iTrademarks and notesIBM Corporation 2012 IBM, the IBM logo, ibm.com, DB2, DB2 Universal Database, System i, Power Systems, POWER7, PowerHA, BladeCenter, DS6000, DS8000, Storwize, XIV and PureSystems are trademarks or registered trademarks of International Business Machines Corporation in the United States, other countries, or both. If these and other IBM trademarked terms are marked on their first occurrence in this information with the appropriate symbol (® or ™), these symbols indicate US registered or common law trademarks owned by IBM at the time this information was published. Such trademarks may also be registered or common law trademarks in other countries. A current list of IBM trademarks is available on the Web at “Copyright and trademark information” at www.ibm.com/legal/copytrade.shtml. SAP, R/3, SAP NetWeaver and other SAP products and services mentioned herein as well as their respective logos are trademarks or registered trademarks of SAP AG in Germany and other countries. Other company, product and service names may be trademarks or service marks of others. References in this publication to IBM products or services do not imply that IBM intends to make them available in all countries in which IBM operates.20 © 2012 IBM Corporation 10