To explain in simple terms "unified storage" means offering file-level and block-level access to the same storage system with one control and management interface. Conventionally, block-level access is done through iSCSI or fiber channels and the file-level access is done through CIFS and NFS protocol.
In the recent past, storage server vendors have added "object level storage" where objects become the entities with metadata such as type and access control policies. Objects are generally read and written by applications utilizing REST HTTP or SOAP and used directly at the application level. With a higher-abstraction level of objects and the underlying implementation for instance tiered storage, number of parts and so on are hidden even more than with the file and block-level interfaces.
In addition to this, cloud storage is also bringing in multiple requirements for a unified storage system. Here, not only the data is in the cloud, but the computing resources and the applications too are placed in the cloud. Furthermore, instead of sourcing out the data from the cloud, processing the data and then pushing it back to the cloud the ultimate paradigm is to have the computing resources in the cloud read and write the data directly, local to the cloud. However, the data is hardly shifted out of the cloud unless it is absolutely needed.
Today eminent solution providers specializing in OEM manufacturing have introduced innovative unified storage solution that can assist large, medium and small scale enterprises establish an efficient data infrastructure that allows them to protect, store, optimize and leverage their data, from a single email to production databases. Advanced unified storage solution help to manage more data efficiently. This helps the users to keep their data available and secure and always ready for expansion. Furthermore, the solution also offers a custom-tailored recovery and backup solutions that enables you to bring down your back up expenses, streamline data recovery and enhance security.
The actual power of a unified cloud storage system lies in the network effect of having a single management interface that helps in multiple tenants, managing users, resource quotas and storage, security, access management with ACL's i.e. Access control lists for sharing and various other functions. With the help of a single management interface, the system administrator can efficiently monitor the backend storage systems used by multiple users utilizing a small slice of varied functionality, such as object storage or using a wide scope of data processing and access.
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