Operations, maintenance and contracts
Rollback
In short and in plain language
A rollback takes a system back to its last working state. This happens after a change has failed.
It is usually planned before an update, for example with a fresh backup.
This way a faulty change can be undone.
Definition
A rollback returns a system to its previous working state after a failed change. It is usually planned before an update, for example with a fresh backup. This allows a faulty change to be reversed.