Virtual storage management is a crucial component of any IT infrastructure. As opposed to physical hardware, which you can easily switch out devices and replace them with better ones, this kind of storage is complex and requires the right tools for management to get the most value out of it.
The most effective way to deal with this complexity is through virtualization technology which lets you combine resources to create a storage solution that is scalable that can handle more data. Virtualization is available on many platforms, such as network appliances, which present centralized storage for your applications or virtualized storage software which utilizes the hardware to provide a pool of storage.
A network appliance, for instance uses a physical Fibre Channel SAN (FC) or iSCSI SAN in order to present a storage pool that appears as a single logical disk to a host or server. It intercepts requests for input or output (I/O), and then transmits them to a new storage pool, with neither the host or server knowing what’s going on behind the scenes. The mapping granularity dictates how quickly meta-data can be updated as well as the amount of space required for a migration and how quickly the physical location can be marked free.
Virtualized storage solutions can also offer high availability by mirroring data between multiple servers. This ensures that if one server fails, you will not lose access or access to important business data as the data is automatically redirected to healthy servers in the cluster.
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