• Provides Fault Recovery
• A Point-in-Time (PiT) copy of data
• Typically a full copy of the data
– But can have a changes stored separately
• Stored on separate media from the original
– Preferably in a different location
⎯ Protecting our current production data and should something fail and we
get corruption or accidental deletion, we can recover as near current as
Backup is about recovering our operational data whereas archive is about
storing infrequently used data over a long period.
What is more important to a financial institution?
Two copies of incorrect data is worthless, so data integrity is more important.
Obviously, once you have the data integrity then you are going to want the
data protection and high availability. So data integrity is the highest criteria.