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Most distributed storage systems have some or all of the following features:

Performance-distributed storage can offer better performance than a single server in some scenarios, for example, it can store data closer to its consumers, or enable massively parallel access to large files.ĭistributed Storage Features and Limitations.

Cost-distributed storage makes it possible to use cheaper, commodity hardware to store large volumes of data at low cost.Redundancy-distributed storage systems can store more than one copy of the same data, for high availability, backup, and disaster recovery purposes.Scalability-the primary motivation for distributing storage is to scale horizontally, adding more storage space by adding more storage nodes to the cluster.Objects-a distributed object storage system wraps data into objects, identified by a unique ID or hash.ĭistributed storage systems have several advantages:.A common distributed block storage system is a Storage Area Network (SAN).

This is an alternative to a file-based structure that provides higher performance. Block storage-a block storage system stores data in volumes known as blocks.Files-a distributed file system allows devices to mount a virtual drive, with the actual files distributed across several machines.It typically takes the form of a cluster of storage units, with a mechanism for data synchronization and coordination between cluster nodes.ĭistributed storage is the basis for massively scalable cloud storage systems like Amazon S3 and Microsoft Azure Blob Storage, as well as on-premise distributed storage systems like Cloudian Hyperstore.ĭistributed storage systems can store several types of data: Amazon S3: an example of a distributed storage system What is Distributed Storage?Ī distributed storage system is infrastructure that can split data across multiple physical servers, and often across more than one data center.Learn about the distributed storage technology that powers massively scalable storage services like Amazon S3, and huge data pools in on-premise data centers. Distributed storage can spread files, block storage or object storage across multiple physical servers, for high availability, data backup and disaster recovery purposes. The exponential growth of data volumes in all industries demands new storage technology.