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A large tape library, with tape cartridges placed on shelves in the front, and a robotic arm moving in the back.Visible height of the library is about 180 cm. The nearline storage system knows on which volume (cartridge) the data resides, and usually asks a robot to retrieve it from this physical location (usually: a tape library or optical jukebox) and put it into a tape drive or optical disc ...
Google Cloud Storage is an online file storage web service for storing and accessing data on Google Cloud Platform infrastructure. [1] The service combines the performance and scalability of Google's cloud with advanced security and sharing capabilities. [2] It is an Infrastructure as a Service , comparable to Amazon S3.
Off-line bulk storage – Tertiary and Off-line storage. This is a general memory hierarchy structuring. Many other structures are useful. For example, a paging algorithm may be considered as a level for virtual memory when designing a computer architecture, and one can include a level of nearline storage between online and offline storage.
Tertiary storage is also known as nearline storage because it is "near to online". The formal distinction between online, nearline, and offline storage is: [8] Online storage is immediately available for I/O. Nearline storage is not immediately available, but can be made online quickly without human intervention.
Hybrid cloud storage is a term for a storage infrastructure that uses a combination of on-premises storage resources with cloud storage. The on-premises storage is usually managed by the organization, while the public cloud storage provider is responsible for the management and security of the data stored in the cloud. [37]
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Modern data centers must support large, heterogenous environments, consisting of large numbers of computers of varying capacities. Cloud computing coordinates the operation of all such systems, with techniques such as data center networking (DCN), the MapReduce framework, which supports data-intensive computing applications in parallel and distributed systems, and virtualization techniques ...
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