Establish whether it is sufficient to restore data till the last end-of-business day. This would be a simple disaster recovery plan based on existing back up and restore policies.
Establish if it is required to recover to the last possible commit point. In this case, the disaster record plan will be based on a combination of mirrored disks and database replication.
Level of Data Loss
Define what loss of data can be tolerated.
Backup/Replication Strategy
Implement a backup/replication strategy. Once the Disaster Recovery requirements are scoped and the impact of the data loss understood, implement a back up/Disaster Recovery strategy to copy data identified as critical.
Disaster Recovery Environment
Prepare your Disaster Recovery environment; install all required software and replicate non data files.
