IBM DB2 Nearline Storage Lösung für SAP BW · PDF fileIBM DB2 Nearline Storage Lösung für SAP BW (und die Partnerlösung von PBS Software) Elke Hartmann-Bakan, IBM...
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IBM DB2 NLS solution for SAP BW now listed at SAP's "Certified Partner Software" site!
• The IBM Near-line Storage (NLS) solution is based on DB2 LUW and can be used with all supported SAP BW databases including SAP HANA.
• It is designed to control the growth of the SAP databases for SAP BW; and enables optimal resource utilization facilitating continued superior performance for the SAP BW business users at an attractive TCO.
• SAP ships since NW 7.01 SP 6 and higher as an integrated IBM NLS solution with DB2 LUW.
• SAP Certified Partner Software:http://scn.sap.com/docs/DOC-29787 (IBM DB2 NLS is mentioned at the page, see text extract below)
Value Add mit PBS Snapshots (CBW NLS)
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NLSDB2 BLU
Firma: 1 Million Kunden und 100 Vertriebsorganisationen Jährlicher Umsatz pro Vertriebsorganisation Erwartetes Ergebnis: Liste mit 100 Zeilen Standard NLS: liest 1 Million Zeilen (Volumen pro Kunde), die
Aggregation nach Vertriebsorg. erfolgt durch den OLAP Prozessor
PBS Value Add: Kopiert die MD Attribute (in diesem Fall: Vertriebs org.) nach NLS, die Aggregation erfolgt auf der NLS Datenbank
CharacteristicsKey figures
MD attributesNavigation attributes
Hierarchies
SAP BWDatabank
OLAP Engine
CharacteristicsKey figures
MD attributesNavigation attrib.
HierarchiesPBS DSP – Data Snapshot Process
PBS enhancement
IBM and PBS Nearline Storage Solutions for SAP BW and SAP ERP
Value Add mit PBS Snapshots – Typische Ergebnisse
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Query Beispiel mit Standard SAP/ DB2 NLS Prozess:
Großes NLS Result Set, Aggregation erfolgt durch SAP OLAP
Laufzeit Beispiel: ~ 300 sec.
Query Beispiel mit dem erweiterten PBS CBW Stammdaten Snapshot Kleines NLS Result Set, Aggregation erfolgt auf der NLS db (DB2 BLU)
Laufzeit Beispiel: ~ 3 sec.
100 x schneller!
3 sec
Standard NLS PBS improved NLS
300 sec
Que
ry ru
ntim
e
IBM and PBS Nearline Storage Solutions for SAP BW and SAP ERP
Separate NLS database for each SAP BW systemPros: - NLS performance on DB level
- independent database recoveryCons: - Additional administration effort with more NLS databases
- e.g. db backups
Production System
TestSystem
One NLS db for several SAP BW systemsSeparate db schema on NLS db for each systemPros: - Less administration effort Cons: - Other SAP BW systems impacts NLS performance
- no access to all NLS systems during NLS database recovery
Best practices Separate NLS database for production system Shared NLS database for test & quality systems
Production System
Quality System
TestSystem
BW1 DB
BW2 DB
BW3 DB
NLS Database
Schema NLS 1
Schema NLS 2
Schema NLS 3
Production System
Schema NLS-2
Schema NLS-3
TestSystem
NLS Database
Schema NLS-1
Schema NLS-2
NLS-1 NLS-2 BW-3 BW-2 BW-1 NLS-3
BW-1 BW-3
NLS Database
Schema NLS-3
BW-1 NLS-1 BW-2 BW-3
Quality System
Quality System
Quality System
TestSystem
Production System
BW-2
SAP Hinweise
Insert footer information such as internal use only (Insert>Header & Footer) 21
SAP Note Description1405664 Near-Line Storage Implementation (supplementary note)
1819734 Use of BLU Acceleration
1834310 Use of DB2 BLU with DB2 NLS required SAP BW Support Packages
2063589 Mandatory corrections for NLS with DB2 10.5 FP4 release
2155374 Flat InfoCubes: New table layouts with IBM DB2 with BLU Acceleration
1695150 Support for SAP BW on DB2 NLS for non-DB2 databases (HANA, Oracle, ...)
1515422 Recovery Synchronization: Use DBA Cockpit or call ABAP report FM_RSDA_DB6_SYNC_CHECKER
1686115 Log File shipping of DB2 NLS database
Einsatz von DB2 10.5 FP4SAP oder höher
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(SAP Note: 1834310 - DB6: Verwendung der DB2 BLU Acceleration mit DB2-Nearline-Storage)
*Wenn die Zeilenlänge des flachen Infocubes das DDIC-Limit überschreitet oder BLU aufgrund des eingesetzten DB2 Releases nicht möglich ist, wird der NLS InfoCube mit nach Zeilen organisierten Tabellen im Star-Schema-Tabellenlayout angelegt. Dieser NLS InfoCube besteht aus einer Faktentabelle und mehreren Dimensionstabellen.
SAP BW NLS on DB2 – Operations• Operation of the NLS / IBM DB2 solution with existing DB2 DBA skill (no
new technology introduced)
Important DB2 specific NLS extensions • Easy NLS installation with SAP installation tool• One DB2 NLS database can store NLS data from different SAP BW systems• Administration & Monitoring of NLS database with SAP DBA Cockpit • Integrated NLS Backups • Synchronized NLS Recovery • Integrated High Availability / Disaster Recovery solution• SAP System Copy support
• NLS database can be copied with or without data (empty objects)
• Consistency check after SAP System Copy
• DB2 Native Encryption available with DB2 10.5 FP5• SAP Transports with NLS / Data Archiving Process definition
• BW supports Since SAP BW 7.0 and higher- InfoCubes and Aggregates- Master Data - DSOs and PSA tables- BW temporary tablesAvailable with SAP BW 7.40 SP8- Flat InfoCubes
• NLS - Since SAP BW 7.01and higher- Supported objects
- NLS InfoCubes- NLS DSOs
• Benefits- Fast and stable BW reporting without tuning