Managing Virtual Storage

Controlling virtual storage is a crucial part of managing any IT infrastructure. This type of storage unlike physical hardware that allows you to replace devices with better ones or switch them out, is complicated and requires management tools to make the most of it.

Virtualization is the best method to handle the complexity. It lets you pool together resources and create a storage solution that can handle a larger amount of data. Virtualization can be utilized on a number of platforms and devices, including network appliances that present centralized storage to your applications, and virtualized storage software that uses the underlying hardware to deliver an entire storage pool to your system.

A network appliance, such as it can make use of a physical Fibre Channel SAN (FC) or iSCSI SAN in order to present a storage pool that appears as one logical disk to the server or host. It takes in input/output (I/O) requests and then forwards them to a different physical location on the storage pool, without the server or host knowing what is going on behind the background. The mapping granularity determines how fast meta-data is updated and how much storage space is required during an upgrade, and how fast a previous physical location can become free.

Virtualized storage solutions can also offer high availability by mirroring the data across multiple servers. This ensures you won’t lose important business data should one of your server nodes fails. The data will be automatically redirected to other healthy servers within the cluster.

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