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Spotlight on midrange arrays
This article is part of the Vol. 4 No. 1 March 2005 issue of Storage magazine
Modular storage systems are the antidote to high-priced monolithic arrays. In this Special Report you'll see what makes midrange so hot, where it's heading and what systems are leading the charge. What's inside: Midrange arrays arrive Product profiles What's ahead? Key to array features: Use caution when mixing Fibre Channel and SATA Drives Randy Kerns, a senior partner at Evaluator Group, Greenwood Village, CO, recommends users consider the following when mixing Fibre Channel (FC) and SATA drives in a single midrange array: Managing array resources. Most midrange implementations don't allow administrators to control the allocation of controller resources for the disk drive types. As a result, cache, processor resources and internal ports are all managed as if the disk types were the same. Controlling data placement. If controlling whether data gets placed on FC or SATA drives is a manual process, the administrative costs and risks associated with managing this process may be higher than just putting everything on more expensive...