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The Data Domain Operating System (DD OS) is the intelligence behind Data Domain systems that makes them the industry’s most reliable and cloud-enabled protection storage. The second Dell EMC offering is Avamar: this unit de-duplicates data at the source via an agent on the host which offers savings on bandwidth utilization during backup.
the practice of combining multiple backup data streams into a single stream that can be written to a single storage device. For example, backing up 4 PCs to a single tape drive at once. Multistreaming. the practice of creating multiple backup data streams from a single system to multiple storage devices.
A backup system contains at least one copy of all data considered worth saving. The data storage requirements can be large. An information repository model may be used to provide structure to this storage. There are different types of data storage devices used for copying backups of data that is already in secondary storage onto archive files.
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]
Computer data storage or digital data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers. [1]: 15–16 The central processing unit (CPU) of a computer is what manipulates data by performing computations.
A backup rotation scheme is a system of backing up data to computer media (such as tapes) that minimizes, by re-use, the number of media used.The scheme determines how and when each piece of removable storage is used for a backup job and how long it is retained once it has backup data stored on it.
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