In computers, backup storage is storage that is intended as a copy of the storage that is actively in use so that, if the storage medium such as a HDD (Hard Disk) fails and data is lost on that medium, it can be recovered from the copy. In an enterprise, because the loss of business data can be a big problem differences, it is important that backup storage be provided.
On a personal computer, backup storage is commonly achieved with Zip drivers and DVDs or Store it in a local system itself. In an enterprise, backup storage can sometimes be achieved through replication of data in multidisc storage systems, such as RAID; as part of network-attached storage (NAS); as part of a storage area network SAN. Enterprise
Types of Backups:
