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What Is Storage Virtualization?

Storage virtualization can be described as software-based storage space management strategy that can be utilized on physical hardware. It allows the virtualization of potential from a range of storage gadgets, including machines, disk arrays and storage-area network (SAN) systems.

A basic way of virtualization may be a software layer between the equipment of a hard disk drive and a number — a PC, a server or any machine accessing the storage. This can be integrated as a software-only layer, or it may require a hardware controller with close distance to the physical disk runs.

Host-based virtualization is a common approach to implement storage virtualization in HCI devices and cloud storage, but it can also be put in place in containerized applications. From this scenario, the virtualization software intercepts input/output (I/O) asks for from guest machines and sends them to a pool area of physical storage information that appear to the machines to be a single drive or reasonable unit number (LUN).

Fabric-based virtualization is yet another common way for implementing storage virtualization in a data center. It can be applied via network switches or appliance web servers.

Block-based virtualization is an early type of storage space virtualization. It creates a single pool area of capability by virtualizing logical volumes (LUNs) on storage space devices in a SAN. This allows customers to tier block data from their existing SANs to public cloud storage.

Storage area virtualization could be a valuable program for archiving backups for the cloud. To gauge it is impact, however , it’s crucial to have a well-defined migration strategy and acceptable recovery time target (RTO) and recovery stage objective (RPO). Once you have these kinds of requirements in place, you can begin to test the cost and availability trade-offs of moving e-mail, database and other backup sets from the branch into a cloud provider, by way of example.

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