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Reasons for scaling a storage network beyond a single fabric on a local or wide-area basis include:
- Consolidation of servers, storage, backup, applications and data centers.
- Data protection and business continuance, including regulatory compliance.
- Technology replacement combined with business growth and new application needs.
- Ability to support more devices than a single fabric can support.
- Isolation and segregation of workloads, applications and customers.
- Interoperability and coexistence of heterogeneous technologies.
- Performance (bandwidth and latency) including lack of congestion.
- Support for more servers and storage devices for growth.
- Support for backup, recovery and business continuance.
- Block access, file access (NAS), or combination of block and NAS access.
- Ease of management, diagnostics and provisioning of resources.
- Span distances to maintain data accessibility on a local and regional basis.
About the author: Greg Schulz is a senior analyst with the independent storage analysis firm, The Evaluator Group Inc. Greg has 25 years of IT experience as a consultant, end user, storage and storage networking vendor, and industry analyst. Greg has worked with Unix, Windows, IBM Mainframe, OpenVMS and other hardware/software environments. In addition to being an analyst, Greg is also the author and illustrator of Resilient Storage Networks, Greg has contributed material to Storage Magazine. Greg holds both a computer science and software engineering degree from the University of St. Thomas.