The business case for storage networks by Bill Williams

By Bill Williams

The company Case for garage Networks covers the matter of direct-attached garage (DAS) and the recommendations provided by means of garage zone networks. It info the reports of IT selection makers and implementers who've deployed SAN recommendations to handle the bold difficulties dealing with their businesses, that are now crushed with dear, inefficient, and difficult-to-manage DAS recommendations. The company Case for garage Networks addresses the issues of garage development and elevated intake, the position of the IT division as a price heart, and the way SAN applied sciences can assist get monetary savings ultimately, supporting you're making an educated choice approximately your garage networking funding.

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Of course, the addition of the Fibre Channel switch to the environment adds a measure of complexity, additional labor costs, and an incremental hardware cost to the TCO for this environment. Depending on the skills of the team supporting the switch hardware, the increased training costs or increased costs from consulting or temporary headcount might be significant. Also keep in mind that the addition of Fibre Channel switch hardware and the creation of a SAN does nothing to intrinsically increase the utilization efficiency (the way applications use the storage they've been allocated) of the environment.

Utilizing a tiered storage infrastructure allows more granular management of costs associated with storage management and will in the future (as storage management software matures) lower the overall TCO for storage. If the charge is then for the CIO to provide the following conditions, then a prime area of concentration for IT departments should be to enable a storage vision that addresses the firm's storage vulnerabilities: • Scalable, cost-efficient storage solutions that increase the availability of mission-critical business information • Sound recoverability to business operations in the event of a disaster • Flexible environments that increase productivity through increased uptime • Increased business value via cost avoidance and the decreased frequency of hardware procurements through increased yield A storage vision begins with the consolidation and decommissioning of DAS (and its migration to a networked storage infrastructure) and ends with a framework of cost-effective, tiered storage solutions that are tailored to support applications with storage as a utility-like service.

The addition of Fibre Channel switches to DAS environments and the use of storage networking technologies increases the allocation efficiency (the metric normally known as utilization) and can therefore eliminate the cost of poor quality (COPQ) associated with DAS environments. You see later in this chapter how the COPQ contributes to the firm's TCO for storage. Of course, the addition of the Fibre Channel switch to the environment adds a measure of complexity, additional labor costs, and an incremental hardware cost to the TCO for this environment.

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