Author: Colm Keegan, Lead Analyst at Storage Switzerland LLC.


Shared storage, whether it be networked attached storage (NAS) or a storage area network (SAN), has become an essential component of any IT environment – large or small. While the cost of shared storage technology has dropped significantly over the last 10 years the costs of physical storage solutions are still prohibitive in achieving remote site redundancy. In addition to high Capex and Opex costs, the complexity of implementing and managing physical storage solutions can be daunting for even the most seasoned IT professionals.

 

In most instances the storage capacity available internal to the physical hosts will suffice for supporting on-site applications. The challenge for organizations managing multiple remote sites is that physical storage solutions require high capital investment for acquisition, deployment, management and maintenance. These physical solutions re-introduce complexity into virtualized environments and are a single point that introduces higher risk of extended downtime.

 

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