We help IT Professionals succeed at work.
Get Started

How do you migrate a "Live" database to the Cloud?

Last Modified: 2016-02-11

I've been wondering what the best way to migrate a live database into the Cloud?  Ideally downtime will be very short (10 minutes?), and risk will be low.

The specifics in our case are:

Oracle v11.2.0.2 on Solaris v10 --> Amazon EC2 Oracle v11.2.0.4 on RedHat (or maybe RDS)
PostgreSQL v9.2 on FreeBSD --> Amazon EC2 PostgreSQL v9.2 on FreeBSD (or maybe RDS)

In each case the databases are 2TB, and any sort of dump/restore will take too long... it takes over 3 hours just to copy the dump file to Amazon, let alone the export and import times.  It's got to be a live migration where the source/target are in-sync.  I have some ideas, but I won't bias you with them just yet.

Just to add one extra wrinkle, the Oracle database is currently WE8MSWIN1252 and I'd like to get it to AL32UTF8 at the same time if possible.
Watch Question
Distinguished Expert 2020
This problem has been solved!
Unlock 6 Answers and 10 Comments.
See Answers
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE