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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 ...
In an ideal case of continuous data protection, the recovery point objective—"the maximum targeted period in which data (transactions) might be lost from an IT service due to a major incident"—is zero, even though the recovery time objective—"the targeted duration of time and a service level within which a business process must be ...
Backup solutions generally support differential backups and incremental backups in addition to full backups, so only material that is newer or changed compared to the backed up data is actually backed up. The effect of these is to increase significantly the speed of the backup process over slow networks while decreasing space requirements.
The key difference between a clustered and traditional NAS is the ability to distribute [citation needed] (e.g. stripe) data and metadata across the cluster nodes or storage devices. Clustered NAS, like a traditional one, still provides unified access to the files from any of the cluster nodes, unrelated to the actual location of the data.
A backup-to-disk system can replicate data backups to a device at another location. This can be beneficial if the organization has designated the location as the recovery site. Backup-to-disk technology can greatly benefit an organization in continuing to do business if a disaster damages facilities and technology.
Data de-duplication; hybrid on- and off-premises data backup; physical seeding. UpdateStar Online Backup Data de-duplication; block-level incremental. Usenet backup Is the method of storing backup data on the usenet. [91] Windows Live Mesh Replaces windows live sync and windows live folder. Zetta Enterprise-grade Online Backup
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