What Are Virtual Data Rooms and Storage Virtualization?

A virtual data room (VDR) is a secure online platform that lets you share documents with many parties during M&A due diligence, as well as other financial transactions. VDRs are a wealth of features that make them more valuable to dealmakers than cloud storage apps and other document sharing tools. They also are focused on security, which makes VDRs a better option for data that is sensitive to business than cloud-based services for consumers with only a few security features.

Storage virtualization is the layer of abstraction that software provides between physical storage devices and applications. It enables more flexible and efficient use of storage resources by reducing redundancy requirements and facilitating the process of moving data and streamlining more advanced storage management functions like snapshots and replication. It can also cut expenses by removing the need to forecast the future needs for storage and then pay for the entire capacity up front, or purchase and maintain multiple appliances to accommodate the growth.

The most popular type of virtualized storage is network-based storage virtualization. It offers a pool storage to applications and servers via the network, for instance disks in a Fibre Channel storage area network (SAN) or Internet Small Computer System Interface storage area network (iSCSI). It typically uses redundant array of independent disks (RAID) technology to improve performance and safeguard data in the event that a single disk fails, but the specific physical location of the disk as well as the individual underlying hardware are not visible to users and applications.

Storage virtualization through arrays is the next step. A storage controller is used to combine storage from multiple arrays into one pool and then present it to applications. This allows companies to utilize storage tiers at lower costs and may include hard disk drives and solid-state drives that have different capacities. They can also hide the physical storage location from servers and users.

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