Oracle Database Releases and Support Timelines

Oracle Database Releases and Support Timelines  

Currently Oracle 19c database version is stable  and long term support

Migrate Oracle Database workload to Cloud : Re-host (Lift and Shift),Re-platform, Refactor

Migrate database workload to Cloud 

When Migrating database and application to cloud ,it is very important to keep in mind the business goals ,application and database capabilities and cost of migration .

There are different strategies for different application and database migrations goals .

• Re-host (Lift and Shift) - Oracle on EC2

    Same administration experience as on-premise   

    Full Control over the environment 

    All feature is available 

    All version is supported 

• Re-platform - Oracle on RDS

    Optimized Architecture

    Database Install and Maintenance

    Automated Patching & Upgrade 

    Automated Backup 

    High Availability 

    OS Patching & Maintenance 

    Scaling

• Refactor (Rearchitect) - Adopt Cloud Native Services

            Amazon Aurora

            Amazon Redshift

            PostgreSQL

            Other database engine 

            Eliminate Oracle Licensing Cost 

Cloud Migration Lifecycle

Cloud Database Migration Lifecycle 

Migration to cloud have two major phase :- 

• Staging 
• Cutover 

Migration Lifecycle 

========================

• Migration Assessment (3 to 5 Weeks )

Migration Readiness Assessment 

        Understand Business acceptation

        Note down current know issue, pain area & challenge

        Total Cost Of ownership (TCO)   

        Application Dependency Mapping

        Compliance & Risk  

• Migration Planning  (6-8 Weeks)

Application Portfolio Assessment

Target Architecture

Operating Model

        Build Cloud Landing Zone

Migration Plan 

Migration Wave Sequencing

• Migration (9++ Weeks)

Migrate Workload

Validate Migrated Workload

Cutover 

Decommission 

• Optimization 

Cost Optimization 

Performance Optimization 

Recommended Best Practice 

        Backup setup + Etc.

        Documentation & Knowledge Sharing 

High Level Migration Timeline 

=================================

• Migration Assessment (3 to 5 Weeks )
• Migration Planning  (6 to 8 Weeks)
• Migration + Optimization  (9++ Weeks)

*Timeline will be change and depends upon inventory and complexity 

Oracle Database Migration Tools & Techniques

Oracle Database Migration Tools & Techniques 

Oracle Native Migrations Tools 

====================================

• Data Pump

• Transportable Tablespaces

• Full Transportable Export/Import

• Data Guard

• Incremental Backups

• Oracle GoldenGate

• RMAN 

AWS Native Migration Tools 

=================================

• Database Migration Service (DMS)

• CloudEndure

• AWS Application Migration Service