Folksam migrating to IIS 8.7
Information Server User Group
meeting 2013
Daniel Palmgren,
Folksam
Situation January 2012
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IIS 8.1 running on LPAR IBM P6
AIX 6.1
XlC 9 compiler
DB2 LUW 9.5
DB2 z/OS (source)
12 DataStage projects
1500 jobs
Local and virtual Windows XP clients moving to
Windows 7 in June 2012
Reasons to upgrade to 8.7
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Integration with Clear Case
Debugger in DataStage Designer
Operations Console
Each job consumes less resources
XML handling
Current Designer is unstable
DB2 Enterprise stage
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Complicated setup with cross server mount
Replaced with DB2 Connector Stage using tool
Easy setup
More modern and flexible interface
More options
Connector Migration Tool
POC August 2012
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Estimate time consumption
Rewrites
Migrated to 8.1 2009-2010
Quite painful, meny rewrites
Windows 7
• 8.1 Client does not support Windows 7
• Skip poc, do the migration!
• Keep virtual XP clients until end of project
IBM Concierge
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Offered support during migration project
Phone conference October 2012
Check requirements
Choosing recommended path
Ismigration tool
Installation path
• New server (lpar)
• Manually export – import jobs
Installation test October 2012
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LPAR IBM P7
AIX 7.1
DB2 9.7
XlC 12
Installation and configuration – 1 day
Testing November - December
• Projects created
• All jobs imported and compiled
Test results
• A number of test jobs selected – 20 %
• 8.1 and 8.7 results compared successfully
Things changed
• DB2 z/OS. Bind error.
▫ Re-import table definitions
• DB2 Connector
▫ Changed execution mode to sequential
• Transformer null handling
▫ Unhandled nulls gives compilation error
▫ Correct null handling solves the problem
Production environment
• Installed in December 2012
• XlC 12 not supported, changed to XlC 11
• 60 Gb RAM compared to 30 Gb for 8.1
Performance tests January 2013
• Find optimal numer of concurrent jobs
• Tried 1-60 concurrent
• No more than 10.
Migrations
• 2013-02-18 First project successfully in
production
• Migrating one project per week
• 2013-04-15 Last project migrated
Conclusion
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Painless installation of server and client
Small number of adjustments
Performance gain 10-30 %
Time consumption 300 h plus 50 hours for
install and config
Operations console
iKnow
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Monitoring job progress and server health
Evaluate job statistics to improve performance
Find slow moving jobs
Find errors and warnings
iKnow
Job performance and hw usage
Process management & scheduling
What happened?
Thank you!
daniel.palmgren@folksam.se