Massive Oracle DB system migration and Disaster Recovery solution implementation

Project goals:

  • Migrate 200+ enterprise databases from a variety of platforms (AIX, HP-UX, Linux), consolidating them on Oracle Exadata X7
  • Upgrade legacy DB versions in the process of migration, from versions 9i, 10g, 11g to 12c
  • Set up Disaster Recovery solution
  • Conduct performance optimization as per Exadata best practices


  • We have developed a flexible migration plan to be able to adjust the migration approach for each DB’s specific requirements
  • Migration approaches list included Oracle DataGuard switchover, Oracle Data Pump migration and Oracle RMAN duplicate
  • The migration process have been scripted to minimize downtime and optimize work
  • All database have been migrated to Exadata servers
  • Disaster recovery solution has been designed and set up, comprising Oracle RAC, Oracle Data Guard with standby databases on a dedicated Exadata system, and Oracle RMAN backups


  • Oracle Database 9i, 10g, 11g, 12c
  • Oracle Exadata X7
  • Oracle Grid Infrastructure
  • Oracle Real Application Clusters
  • Oracle DataGuard
  • Oracle RMAN
  • Oracle Data Pump
  • HP-UX
  • AIX
  • RedHat Enterprise Linux


  • 15.000 hours

Migration team:

  • 3 x Senior Oracle Exadata Administrator
  • Senior Oracle Database Architect
  • Project Manager

Support team — 24×7 coverage:

  • Rotation shift member: 8 x Senior Oracle DBA
  • Rotation team leader: 4 x Senior Oracle Exadata Administrator


Peter Thomas
CTO, Blue Lance

Alex is one of the best Oracle DBA’s I have worked with. Excellent communication skills, it was great to work with Upgrade Consulting.

Michael Schmidt
Managing Director, XR Systems

We can recommend Upgrade Consulting without any restrictions. They are, without any question, a shining star among the Oracle DBAs on the market.

Kashif Ahmed
CEO, MediaLink

Wonderful and dedicated guys. They fixed all our system problems in a smart and proffesional way. Will definitely hire them for our future projects. Thanks for provding a great solution!

Adrienne Daly
Managing Director, Amos

Upgrade consulting has designed the whole database solution for us and has led the project to the successful implementation. It’s a pleasure working with this team.

Deepak Gupta
COO, Balluun

Competent and confident at what they do. They go the extra mile to research and find the best solution to any problem. A great resource for specific projects or continious support.

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