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What Are Virtual Data Rooms and Storage Virtualization?

A virtual data room (VDR) is an online secure platform that lets you share documents with various parties during M&A, due diligence and other financial transactions. VDRs come with a variety of features that make them more useful to dealmakers than cloud storage applications and other document sharing tools. They also focus on security, which makes them the best option for sensitive business data than consumer cloud services that have limited security measures.

Storage virtualization is the software abstraction layer that connects physical storage devices and applications. It enables an efficient and flexible usage of storage resources by reducing hardware redundancy requirements, easing the process of moving data and streamlining more advanced storage management functions, such as snapshots and replication. It also helps cut costs by eliminating the need to forecast the future storage requirements, pay for all needed capacity up front or buy and maintain multiple devices to meet the demands of the growth.

Network-based storage virtualization is the most common form of virtualized storage. It takes a pool storage, such as disks in a Fibre Channel (FC) or Internet Small Computer System Interface (iSCSI) storage area network (SAN) and exposes it to servers and applications on the network. It typically uses redundant array of independent disks (RAID) technology to enhance performance and protect data in the event that one disk fails, but the specific physical disk location as well as the individual underlying hardware are not visible to the applications and users.

Array-based storage virtualization is the next step, using an array controller to mix the storage of various arrays and present it as a single pool for applications. This lets enterprises use more cost-effective storage options that can include solid-state drives and hard disk drives of various capacities, and conceal the physical location of these various kinds of storage from the servers and users.

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