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Vol. 3 No. 9 November 2004

How to design a core/edge SAN

This article first appeared in "Storage" magazine in their November issue. For more articles of this type, please visit www.storagemagazine.com. What you will learn from this tip: How to use the SPICE algorithm to simplify the process of designing a large core/edge SAN. Three storage area network (SAN) architectures have become prominent: island, collocated and core/edge. Each topology serves a particular niche, but of the three, the core/edge SAN is the most scalable and widely deployed. Designing a large core/edge SAN can be a complicated process, but the SPICE algorithm greatly reduces the complexity. The S variable is the number of servers that will be migrated initially to the core/edge SAN. It's the milestone by which the implementation project is measured. As with any project, server and capacity requirements may change during the implementation, but setting the S goal early in the planning phase will establish a clear completion point for the project. Because a goal of the core/edge SAN is to keep the storage port as ...

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Features in this issue

  • The search for cost-effective disaster recovery

    Creating an efficient DR strategy starts with determining the value of your company's applications and data. You can find the right mix of DR technologies to protect your data without breaking the bank.

  • Accommodating arrays

    by  Jerome Wendt

    Modern storage arrays offer disk types to meet any need -- costly Fibre Channel (FC) disks for high-end applications requiring superior performance and availability, and lower-priced SATA disks for less-critical data. The arrays also come with mixed RAID configurations. But selecting the right mix of disks and RAID levels requires understanding the impact of those decisions.

  • Cheap SANs--Hype or Hot?

    Low-cost SANs still looking for a market

Columns in this issue

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