Redundancy
1.Data : Backups,Archives,Dispersion
2.Hard drives : RAID
3.Servers/Services : Clustering
4.Links
5.Physical locations
6.Disaster Recover and Business continuity
Data Protection policies: Retention
1.Data retention : Established protocol for keeping information for operational or regulatory compliance needs.
2.Cloud considerations:
+ Legal,regulatory and standards requirements must be well-documented and agreed upon.
+ Data mapping should map all relevant data in order to understand formats,data types and data locations.
+ Data classification based on locations,compliance requirements,ownership and business usage.
+ Each category's procedure should be followed based on appropriate policy that governs the data type.