Virtual data storage is becoming an increasingly popular option for businesses who want to reduce their IT costs. In fact, since these solutions do not require the hardware redundancies typically needed in traditional enterprise storage architectures for disaster recovery, they are able to reduce both initial costs and operating expenses over time by significantly.

Virtual data storage allows IT to pool physical storage devices such as SANs into a single device, or virtual storage array. There are a variety of ways to implement the technology, including host-based virtualization and network-based storage (which is a way to combine storage devices from an FC or iSCSI the SAN into one pool controlled by a central management console). Host-based virtualization can be found in HCI systems and cloud storage.

In order to work virtual storage, it must be compatible with the hardware infrastructure as well as networking components and servers, as well as with the most common management tools and hypervisors. It must also allow data encryption, granular authentication and access controls and robust backup and disaster recover capabilities.

Additionally, virtual storage needs to be able to handle issues with latency and performance. This means that crucial applications are able to run without compromising performance or adding to the latency of data retrieval. This requires evaluating storage controller capabilities, network bandwidth and disk I/O capacity as well as deploying caching mechanisms. It also requires installing advanced storage functions such as tiering and replication at the virtualization level.

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