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Sending backups off-site ensures systems and servers can be reloaded with the latest data in the event of a disaster, accidental error, or system crash. Sending backups off-site also ensures that there is a copy of pertinent data that is not stored on-site. Although some organizations manage and store their own off-site backups, many choose to ...
hybrid cloud solutions that replicate both on-site and to off-site data centers. This provides instant fail-over to on-site hardware or to cloud data centers. high availability systems which keep both the data and system replicated off-site, enabling continuous access to systems and data, even after a disaster (often associated with cloud storage).
Remote store. backing up data to an offsite permanent backup facility, either directly from the live data source or else from an intermediate near store device. Restore time. the amount of time required to bring a desired data set back from the backup media. Retention time. the amount of time in which a given set of data will remain available ...
The backup data needs to be stored, requiring a backup rotation scheme, [4] which is a system of backing up data to computer media that limits the number of backups of different dates retained separately, by appropriate re-use of the data storage media by overwriting of backups no longer needed. The scheme determines how and when each piece of ...
Some systems run once a day, usually at night while computers aren't in use. Other newer cloud backup services run continuously to capture changes to user systems nearly in real-time. The online backup system typically collects, compresses, encrypts, and transfers the data to the remote backup service provider's servers or off-site hardware.
A hot site is a near duplicate of the original site of the organization, including full computer systems as well as complete backups of user data. Real-time synchronization between the two sites may be used to completely mirror the data environment of the original site using wide-area network links and specialized software.
Many businesses use file hosting services as part of their backup and disaster recovery strategies. By storing copies of important files offsite in a secure data center, they can quickly recover from data loss due to hardware failure, natural disasters, or other unexpected events. [6]
Traditional backups only restore data from the time the backup was made. True continuous data protection, in contrast to "snapshots", has no backup schedules. [5] When data is written to disk, it is also asynchronously written to a second location, either another computer over the network [6] or an appliance. [7]