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Arshad Hungarcutta (Arshad_INCESSANT)
Incessant Technologies
Senior Architect
Incessant Technologies
IN
Arshad_INCESSANT Member since 2014 7 posts
Incessant Technologies
Posted: March 10, 2016
Last activity: April 6, 2018
Posted: 10 Mar 2016 6:49 EST
Last activity: 6 Apr 2018 19:26 EDT
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Install and Migrate Approach

Below are the three approaches while upgrading 'N' applications among a rule base of 'X' applications as part of Install and Migrate approach.

Option 1 : Install and Migrate with Data Upgrade

·Fresh installation of Pega 7.X installation.

·Take RAP of ‘N’ applications in 6.X with only rules (without any data or DADT instances). Include Pega 6.X application rule as data only upgrade requires 6.X application.

·Import the RAP from 6.X to 7.X

·Run rule update wizard and other applicable steps

·Clone the 6.X schema. Perform Data only upgrade on the cloned schema by having the same as Data schema and 7.X Rules schema as the Rules schema. (Optionally clean up instances not applicable to the ‘N’ applications)

·Configure application server by pointing above upgraded data schema as Data schema and Rules schema from fresh 7.X installation as Rules schema.

Option 2 : Hybrid approach

·Fresh installation of Pega 7.X installation.

·Perform in place upgrade on 6.X environment. Perform tolerance upgrade and configure this as a baseline environment.

·Take RAP of rules and data instances for ‘N’ applications from upgraded environment.

·Import the RAP into fresh Pega 7.X installation

·Perform data migration for ‘N’ applications

Option 3 : Install and Migrate with Data Migration

·Fresh installation of Pega 7.X installation.

·Take RAP of ‘N’ applications in 6.X with rules and data instances. Do not move any Pega shipped DADTs. Validate and remove any hard-coded schema names in DADTs.

·Import the RAP from 6.X to 7.X

·Run rule update wizard and other applicable steps

·Perform data migration for ‘N’ applications

Any corrections, suggestions , improvements or alternate approaches is appreciated.

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System Administration Upgrades
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