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Session 1203
Case Study: How First Solar achieved real-time analysis of supplier and
delivery performance metrics using SAP HANA Enterprise solution
Allen Blackmore
MIS Solutions Architect, First Solar, Inc.
Kiran Yelamaneni
Associate Partner, IBM Global Business Services
Presenters
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At the end of this session, you should be able to Understand :
How HANA Business Value Cases were defined?
HANA Technology Review:
Why HANA Enterprise? Why NOT BW on HANA?
HANA Landscape and Systems Integration
Implementation Review (Scope, Schedule, and Skills)
Solution Review (data models, scripting, security, and so on)
How to setup HANA Systems Operations?
Business value benefits
Key Learnings
SESSION OBJECTIVES
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Agenda
About First Solar
Business Value Cases
HANA Technology Review:
Why HANA Enterprise?
HANA Landscape and Systems Integration
Why IBM was selected as an Implementation Partner?
Implementation Review (Scope, Schedule, and Skills)
Solution Review (models, scripting, security, and so on)
HANA Systems Operations
Business Value Benefits for Procurement
Lessons learned
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Premier Provider of Comprehensive PV Solar Solutions:
Founded in 1999, First Solar has become the worlds premier provider of fully integrated solar solutions, creating
value-driven renewable energy projects that represent the leading edge of utility-scale solar technology and
innovation.
First Solar delivers clean and affordable solar powerand spans the entire value chain, including module
manufacturing; project development, Engineering, Procurement, and Construction (EPC), financing; and
Operations and Maintenance (O&M).
Key Highlights:
First Solar has a strong workforce comprising more than 6,500 associates worldwide
Launched IPO on 17 November 2006; common stock traded on NASDAQ under the symbol FSLR
Broke the $1 per watt barrier in 2008 and is the current cost leader at less than $0.75 per watt
Became the first PV solar company to produce 1GW in a single year with over 5GW installed to-date
Set world records for CdTe PV cell (17.3%) and PV module (14.4%) efficiency certified by NREL
Attained the smallest carbon footprint and fastest energy payback time of any PV technology
About First Solar, Inc.
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Agenda
About First Solar
Business Value Cases
HANA Technology Review:
Why HANA Enterprise?
HANA Landscape and Systems Integration
Why IBM was selected as an Implementation Partner?
Implementation Review (Scope, Schedule, and Skills)
Solution Review (models, scripting, security, and so on)
HANA Systems Operations
Business Value Benefits for Procurement
Lessons learned
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First Solar panels produce power at a cost of $0.75 / watt. This is the ultimate measure of the companys success.
Drive down
manufacturing costs
Analyze all data
sources pertaining to
panel performance to
maximize output
Use real-time tactical
information to drive
value
Analyze manufacturing data to glean insights into how yields can beimproved and processes optimized
Get real-time information related to manufacturing performance byline and by plant, and quickly spot and resolve manufacturingperformance problems and implement corrective action
Ensure that sales related information is available real-time
Empower Finance with the capability of doing rapid variance analysisto quickly understand why costs are higher than expected
Improve the overall efficiency through which operational informationis disseminated throughout the organization
Large volumes of data from services installations must be analyzedto help understand how to maximize power outputs and minimizeservice disruptions
Help predict when failures are imminent
Link environmental conditions to panel performance and reliability
Analytics are important for First Solar
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SCM Analytics
Power Generation
Data Analysis
Customer Service
Enablement
Continuous
ImprovementAnalysis
Finance Analytics
BPC Acceleration
Rapid access to tactical information
Enhanced variance analysis and detailed procurement analytics
Analyze large volumes of information gathered from the field, pertaining to panelinstallations
Gain an understanding into what conditions affect power output
Integrate data from Sales orders, Contracts, Warranties, Rebates, andManufacturing
Gauge the efficiencies in Customer Service, and enable analysis
Enable continuous improvement of professionals to perform data analysis
against large volumes of manufacturing data quickly and effectively, to driveimproved yields and manufacturing efficiency
Implement RDS for operational reporting Leverage finance models and bring G/L reporting onto HANA to facilitate faster
month-end closing processes
Accelerate BPC on HANA
Project future potential roadmap for FSLR
Several business cases are identified
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Past Situation
If I need Procurement Analytics:
Time Consuming Inefficient
Lacking granularity
Extract
Manipulate in
Excel
ECC 6.0
Business Perspective
users would have to submit a Service
Desk ticket and wait two days
it took them one week to get me thisdata
Supplier metrics were problematic
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Agenda
About First Solar
Business Value Cases
HANA Technology Review:
Why HANA Enterprise?
HANA Landscape and Systems Integration
Why IBM was selected as an Implementation Partner?
Implementation Review (Scope, Schedule, and Skills)
Solution Review (models, scripting, security, and so on)
HANA Systems Operations
Business Value Benefits for Procurement
Lessons learned
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Business users heavily rely on IT to
generate ABAP-based report
No BW for SCM
Limited flexibility. Changes to existing
reports are longer time-to-value
Current Solution Flexible product, with ability for IT to create
and edit models on the fly while allowing
end-users to create their own reports.
Addresses future needs as a company.
Integrated solution across finance, supply
chain and HR for cross-functional reporting.
HANA Solution
Benefits of HANA: Ability to access large volumes of data in real-time
True alternative reporting solution Seamless integration between SAP products: ECC -> SLT -> HANA -> BO
HANA Studio is intuitive with an easy-to-use interface
Why HANA Enterprise ?
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SLT on Existing ECC Box Separate Dedicated SLT Server
Pros Simplified landscape andadministration
No software maintenance dependencies Flexibility
Cons Performance impact Potential software maintenance
dependencies
Investment and maintenance effort forseparate server / NW instance
Which SLT Installation Option to Choose ?
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First Solar HANA System Architecture
DEV
Schema
QA
Schema
Transport Transport
Transport Transport
Transport
Transport Transport
PROD
Schema
SAP ECC DEV DR1 (300) SAP ECC QA QR1 (100) SAP ECC PROD PR1 (100)
SLT Server
DU1 (100)
SLT Server
QU1 (100)
SLT Server
PU1 (100)
HANA DEV DH1 HANA PROD PH1
BO Development BO QA BO Production
1 box for Dev and QA 1 box for Production
Separate SLT Server Implementation of SAP
BusinessObjects 4
HANA Landscape Design
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Agenda
About First Solar
Business Value Cases
HANA Technology Review:
Why HANA Enterprise?
HANA Landscape and Systems Integration
Why IBM was selected as an Implementation Partner?
Implementation Review (Scope, Schedule, and Skills)
Solution Review (models, scripting, security, and so on)
HANA Systems Operations
Business Value Benefits for Procurement
Lessons learned
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Strong Project Leadership
Exhibited clear understanding of FSLRobjectives Demonstrated adept knowledge on HANA Confirmed strong vendor relationships Assured successful project delivery
Worked as single point-of-contact
Right Resource Mix
Good onsite and offshore mix Cost effective proposition
Allocated SME time instead of FTEs Selected highly motivated consultants Engaged process experts with right backgroundon SAP ECC functionality along with good HANAexpertise
Scalable Platform
Two- system HANA landscape:X3950 X5, 4X Xeon 10C, E-7-8870, 130W,
2.4Ghz, 512GB (32 x 16GB) MemoryDisk 4.8 TB (8x600 GB 2.5in. SAS) Proven backup and restore capabilities Right size HANA systems with scalable options
Innovative Approach
Well defined business value case Validation workshops and not requirements gathering Developed and proposed new 4D methodology Business involvement from week 2
Why IBM ?
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Agenda
About First Solar
Business Value Cases
HANA Technology Review:
Why HANA Enterprise?
HANA Landscape and Systems Integration
Why IBM was selected as an Implementation Partner?
Implementation Review (Scope, Schedule, and Skills)
Solution Review (models, scripting, security, and so on)
HANA Systems Operations
Business Value Benefits for Procurement
Lessons learned
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16
Design, develop, and implement pre-defined and prioritized business use cases. Design and implement SAP HANA on top of SAP ECC using SLT.
Determine data extraction / replication methods from SAP ECC to HANA.
Determine SAP HANA data modeling with SQL and SQL Scripts.
Design and implement the integration of SAP HANA with SAP BusinessObjects
including design and creation of BO reports (specifically WEBI and Explorer reports),
and supporting universes.
Provide knowledge transfer to the First Solar team on HANA modeling; system
integration, data extraction, and ongoing system administration and management.
Provide design documentation, implementation guides, and operating procedures.
Phase I - Project Scope
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1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5
1. Define
Value cases & Roadmap definition
HANA Appliance Requirements
BI Analytics & Presentation
HANA Systems Operations
2. Design
Architecture and Systems Integration
HANA Modeling (Schemas, Views,)
Security and Access
BI Universes and Presentation Formats3. Develop
Configure Schemas, Views
Setup SLT and Enable Replication
Develop BI Universes and Analytics
Develop Security & Authorizations
Verify Analytics and Validate Data
User Acceptance & PRD Ready
4. DeployPromote Content
Initial Loads & Enable Replication
Final Verification & Go-live
Stabilization
WEEK 9 WEEK 10WEEK 5 WEEK 6WEEK 1IBM's 4D Methodology for HANA Projects
WEEK 2 WEEK 3 WEEK 4 WEEK 7 WEEK 8 WEEK 14WEEK 11 WEEK 12 WEEK 13
Tight project schedule with first-of-a-kind HANA implementation required innovative
and Agile development strategies
Implementation Schedule
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Partnered with IBM and successfully completed HANA Implementation:
IBM Roles FSLR Roles
Serve as overall lead for SAP HANA Program
Monitor risks (i.e. Technical, Functional, Organizational, Resource related) and take proactiveaction when needed to drive successful completion of the Project
Project Executive
(part-time)
Architect solution, define data models, systems integration, and analytics
Design data models, analytical views and calculation views
Configure data models, load data, performance testing, and system tuning
Develop transport procedures for the Model Migration
Load data and enable replication.
Repair Replication Error
SAP HANA
Solution Architect
Define and develop BI4.0 reports.
Design Universes and BO Explorer KPIs.
Develop Webi and Dashboards.
SAP BI 4.0 Developer.
(offshore)
Install and integrate BI 4.0 with HANA system
Configure JDBC connectivity and Kerberos authentication Develop HANA Data Model Based on requirements.
Configure Schema Mapping for Single HANA Instance
Migrate universes and reports from Rapidmarts to HANA environment
SAP HANA Modeler/ BO
Integrator
(offshore)
Partner with HANA Modeling Architect and design the solution architecture
Linux based activity such as HANA Start & Stop, Backup and Scheduling Cron Jobs.
Review SQL Script design used for composing the information views
SAP HANA Architect
Setup SLT server and integrate with ECC and HANA systems
In collaboration with architect define background jobs, execute LTR
Apply SAP messages, HANA revisions, and Basis related configuration settings
SAP Basis Support
Develop HANA Model
HANA Scripting based on requirement
Validate data from ECC
SAP HANA Modeler
(offshore)
Skills and Roles
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Agenda
About First Solar
Business Value Cases
HANA Technology Review:
Why HANA Enterprise?
HANA Landscape and Systems Integration
Why IBM was selected as an Implementation Partner?
Implementation Review (Scope, Schedule, and Skills)
Solution Review (models, scripting, security, and so on)
HANA Systems Operations
Business Value Benefits for Procurement
Lessons learned
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First Solar required a supply chain management solution:
Transactional Data Models: Inventory Model: Reflected true value of HANA by handling large volume of data to provide real-time analysis of goods
movement.
Purchase Order Model: Real-time data reflecting vendor delivery performance, invoice and goods receipt discrepancy,
vendor direct spend, open purchase orders, and so on.
Purchase Requisition Model: Complex model that provides start-to-finish picture of material requisition to goods receipt
including who received it, who created the purchase order, and so on.
Master Data: Material Model: Built to obtain on-hand quantity, minimum and maximum quantity, stock in transit, and so on.
Vendor Model: Vendor across companies, vendor banking details, vendor partner function details, and otherclassifications, such as payment terms, INCO terms, and so on.
Multiple audit and / or ad-hoc reports for additional master data, such as company code, plant, purchasing groups , and
so on.
FSLR Data Models
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Purchasing Line (EKPO)
PK EBELN - Purchase Order Number
PK EBELP - Purchase Order Line
Purchasing Schedule Line (EKET)
PK EBELN - Purchase Order Number
PK EBELP - Purchase Order Line
PK ETENR - Schedule Line
Purchasing Header (EKKO)
PK EBELN - Purchase Order Number
SQL Script Distribute Quantity & $ Amount
BY Purchase Order Number
BY Purchase Order Line
BY Purchase Order Schedule Line
Summary Table (EKBE)
SUM Quantity
SUM $
MAX Date
BY Purchase Order NumberBY Purchase Order Line
Purchase Order History (EKBE)PK EBELN - Purchase Order Number
PK EBELP - Purchase Order Line
PK ZEKKN - Accounting Sequence Number
PK VGABE - Transaction/Event Type
PK BELNR - Material Document Number
PK BUZEI - Material Item Number
PK GJAHR - Material Doc. Year
Only GR and IR
Transactions (1 and 2)
One of the key requirements for Purchase Order (P.O.) reporting is to provide vendor delivery performance by utilizing the deliverydate and the schedule line level. In order to provide this, the EKET purchasing schedule line table is used as the foundation asopposed to the EKPO purchasing line table. Goods receipt and invoice receipt for the P.O. document will be included in the data
model. Only quantity, dollar amount, and date from GR / IR will be brought into the data model. These values will be summarized atthe P.O. number and P.O. line level. A key assumption is if P.O. schedule line has multiple GRs or IRs then the max date will beused for delivery performance.
Distribution of GR / IR quantity and dollar amount to the corresponding P.O. schedule line will be based on the earliest requesteddelivery date. For example, if a P.O. item has 2 schedule lines with line 2 having an earlier requested delivery date than line 1, thegoods receipts will be distributed by the earliest requested delivery date first.
A SQL script was written to execute the described logic inside a calculative view.
Procurement Data Model
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Views:
Attribute Views: Create master data in HANA to be utilized by analytic and
calculation views, that is, text for Material, Vendor, Purchasing Org., and so on.
Analytic Views: Create a data foundation using simple joins still allowing the
creation of calculated attributes and measures, that is, Purchase Requisition Model
Attribute View Analytic View
Created for Material
Created for Purchase Requisition
Created for all master data
Modeling in HANA Studio (1 of 2)
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Views (continued):
Calculation Views: Define your own data foundation for complex joins using SQLscripts, that is, FSLRs procurement model. These views were created for
transactional data using graphical calculation view or script calculation view (SQLScript and CE Functions).
Graphical Calculation
ViewSQL Script Calculation View
Created for Vendor, Purchase Order and Inventory Analysis
Modeling in HANA Studio (2 of 2)
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Scripting:
For calculation views, SAP recommends the use of Calculation Engine (CE)
Functions whenever possible.
DDL functions are not allowed within calculation views.
SQL Script: Projects can leverage skills widely available in the market. However,
a lot depends on how a person writes the specific SQL.
CE Function: CE Functions are pre-built functions delivered by SAP that can beused within SQL scripts to replace what you would have otherwise done with
simple SQL. They are executed by the Calculation Engine directly, thus providing
better performance.
SQL Script CE Function
INNER JOIN SELECT A, B, Y, SUM(D) from "COLTAB1" INNERJOIN "COLTAB2" WHERE "COLTAB1"."KEY1" ="COLTAB2"."KEY1" AND "COLTAB1"."KEY2" ="COLTAB2"."KEY2"
CE_JOIN("COLTAB1","COLTAB2",[KEY1, KEY2], [A, B, Y, D])
Scripting in HANA Studio
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Design Considerations: Flexibility
Speed-to-market
HANA models were designed to include
majority of ECC table elements, while
minimizing the exposure in BO Universe Layer.
BO Security:
Analytical privileges were created in the HANA
model based on Process Area.
Different generic IDs were created in HANA and
utilized in BO based on security needs.
Analytics through SAP BI (1 of 2)
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SAP BO Tools:
Web Intelligence*Primary Reporting Tool
Crystal Reports
Explorer
WEBI report showing purchase orders
at schedule line level
True ad-hoc analysis capability
through Explorer
Direct connection to HANA view
(skipping universe)
Crystal Report showing real-time
inventory movement
Analytics through SAP BI (2 of 2)
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Agenda
About First Solar
Business Value Cases
HANA Technology Review:
Why HANA Enterprise?
HANA Landscape and Systems Integration
Why IBM was selected as an Implementation Partner?
Implementation Review (Scope, Schedule, and Skills)
Solution Review (models, scripting, security, and so on)
HANA Systems Operations
Business Value Benefits for Procurement
Lessons learned
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Transports:
Two HANA instances for QA / Dev and Production increased the cost savings Schema entries were tweaked to handle two instances using Schema Mapping
Data Replication:
SLT Internal Tables (Similar to BW internal Dimension Tables)
Tweaking Internal Table number range; QA and Dev tables should have unique table
number range
Background Job Definition:
Debugging:
Repair Runtime Object:
Understand the internal tables, (such as RS_ORDER, RS_STATUS both in HANA Studio
and SLT Server)
Install SAP Provided ABAP Program (You will use it)
Master Job IUUC_MONITER_
Master Control Job IUUC_REPLIC_CNTR_
Data Load Job DTL_MT_DATA_LOAD__
SLT Jobs
HANA Systems Operations
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HDBSQLData Backup
$INSTANCE_DIR/backup/data
AutomaticLog Backup
$INSTANCE_DIR/backup/log
LinuxClean Logs
/etc/crontab $INSTANCE_DIR/backup/backup.sh HANA DB
Linux O/S
EMC Avamar Data StoreMSA DRStorage
Client is installed to/usr/local/avamar
Connected to central Avamar server
pbg1ava01s100.fs.local:
Full O/S backup is scheduled for 12:00 a.m. daily
Agent watches for changed blocks at the file system level Uses an advanced de-duplication approach:
Initial DH1 backup found - 40%+ duplicated blocks
Agent process is always running
Backups are replicated offsite (Daily x 30, Monthly x 12,
and Yearly x 2)
Located in $INSTANCE_DIR/backup
Uses the HANA client hdbsql command line to initiate backup
Sends an email notification upon failure
Removes old log file backups
The M_BACKUP_CATALOG and
M_BACKUP_CATALOG_FILES views provide backup detail
For example:
SELECT TOP 1 *
FROM M_BACKUP_CATALOG
WHERE ENTRY_TYPE_NAME = 'complete data backup
AND STATE_NAME = 'successful'
ORDER BY SYS_END_TIME DESC
Process O/S Backup Script
HDB SQL
HANA Systems Operations
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Agenda
About First Solar
Business Value Cases
HANA Technology Review:
Why HANA Enterprise?
HANA Landscape and Systems Integration
Why IBM was selected as an Implementation Partner?
Implementation Review (Scope, Schedule, and Skills)
Solution Review (models, scripting, security, and so on)
HANA Systems Operations
Business Value Benefits for Procurement
Lessons learned
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With HANA
Real-time reporting
capabilities
Granular analysis
against large data sets
with rapid results
User-friendly tools forbusiness users
Deep-dives into all
issues for which PO
details are needed
Real-Time
ECC 6.0
Business Feedback
Prior to HANA, users would have to
submit a Service Desk ticket andwait two days, now they can runtheir own ad-hoc reports.
This is great, it took them one week
to get me this data, and Im not sureit was right. Now I can get the dataright away and Im going to show
my manager Explorer!
Ive been waiting for this!
Real-time Procurement Analytics
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Agenda
About First Solar
Business Value Cases
HANA Technology Review:
Why HANA Enterprise?
HANA Landscape and Systems Integration
Why IBM was selected as an Implementation Partner?
Implementation Review (Scope, Schedule, and Skills)
Solution Review (models, scripting, security, and so on)
HANA Systems Operations
Business Value Benefits for Procurement
Lessons learned
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Get familiar with Linux related activities such as scheduling backup, Start/Stop Database, and so on.
Clearly define roles:
Understand what the hardware team will do versus the software team
Understand who will install HANA patches (Basis or Linux team)
Prepare for new patches: SAP releases at least 2-4 patches a month. At FSLR, we started with patch
36 and completed with patch 42 (in a 3-month timeframe).
Understand you are paving the way when implementing HANA: Limited resources are available.
Exploring and experimenting is the best method.
Clearly define Single sign-on requirements (Kerberos authentication) and HANA back-up / restore
(EMC Avamar) procedures.
Pay close attention to the naming standards especially on SLT configurations.
Connect multiple ECC systems to a single HANA system. This should be handled carefully especially
for SLT replication (number range objects,).
Key Learnings
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SESSION CODE: 1203
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