It pools the physical storage from different network storage devices and makes it appear to be a single storage unit that is handled from a single console. As we all know there has been a strong bond between physical host & locally installed storage device; and with the change in paradigm, local storage is no longer needed. More advanced storage has come to the market with an increase in functionality. Storage virtualization is the significant component of storage servers & facilitates management and monitoring of storage in a virtualized environment.

Storage virtualization helps the storage administrator to backup, archive and recovery data more efficiently, in less amount of time by masking the actual complexity of SAN (Storage Area Network). Through the use of software hybrid appliances, the storage administrator can implement virtualization.

Importance of Storage Virtualization

Storage virtualization is becoming more and more important in different forms such as:

  • Storage Tiering: Using the storage technique as a bridge or as a stepping stone, this technique analyzes and select out the most commonly used data & place it on its highest performing storage pool and the least used data in the weakest performance storage pool.
  • WAN Environment: Instead of sending multiple copies of the same data over WAN, WAN accelerator is used to locally cache the data and present it in a LAN speed, and not impacting the WAN performance.
  • SAN Storage: SAN technology present the storage as block-level storage & the storage is presented over the Ethernet network of OS.
  • File Server: OS writes the data to a remote server location to keep it separate and secure from local users.

Benefits of Storage Virtualization

  • Data is stored in a very convenient location. This is because if the host failure data don't get compromised necessarily.
  • By using storage level abstraction, it becomes flexible how storage is provided, protected, partitioned and used.
  • Storage Devices are capable of performing advanced functions such as disaster recovery, duplication, replication of data & re-duplication of data.

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