Yellow Pages

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Challenges • Heavy database and enterprise application use driving performance requirements beyond legacy storage capabilities • VDI implementation driving further performance challenges Solution Western Digital's IntelliFlash Results • Database latency reduced by over 5X • Capacity reduction over 65% • VDI challenges addressed Yellow Pages Publisher Dials up Western Digital's IntelliFlash ™ to Power Virtualization and SAN Upgrades CASE STUDY Online business directories and web searches are now standard tools for consumers looking to buy goods and services. But consumers still refer to Yellow Pages more than 15 billion times a year. So, for US-Yellow, a Jacksonville, Florida-based independent yellow page publisher, print directories are still a strong revenue producer in addition to the company's online and CD directory products. The company is now a top resource for finding information online. The company operates a database-heavy IT infrastructure with multiple large SQL databases as well as Microsoft Exchange, PostgreSQL, and custom SAP ® applications. US- Yellow recently undertook a major IT upgrade, adopting server and desktop virtualization platforms for the first time and making the transition from local server-attached storage to a high-availability Storage Area Network. Ben Croxton, IT Director at US-Yellow, was well aware of the storage challenges of a virtualized environment, such as the I/O blender effect of server virtualization and the extreme I/O demands of a Virtual Desktop Infrastructure deployment. To mitigate the I/O challenges of a virtualized infrastructure, Croxton sought out a flash-assisted storage solution but was frustrated by what he found. "I was looking for SAN storage that I felt comfortable using both for production servers and VDI at the same time," he said. "But after speaking to several larger vendors I realized they either did not have an applicable solution, or their solution was far beyond my price range." Croxton considered building his own solution based on a software defined storage product but decided that option was not suitable for the company's production environment. He then narrowed his choice down to two commercial SSD hard disk vendors. The decision was an easy one, he said, with Western Digital's IntelliFlash offering better hardware, better pricing, more storage capacity (IntelliFlash arrays boast almost a 4x flash capacity advantage per array compared to other vendors), and an honest, up- front sales process with excellent customer service. The IntelliFlash arrays bring a new approach to high-performance network storage with an innovative design that leverages the high performance of SSDs and the low cost-per-terabyte of capacity hard disk drives. Unlike, conventional network storage designs that use tiers of SSD, performance disk and capacity disk and constantly migrate data between the tiers, IntelliFlash has architected the performance benefits of SSD throughout the data path, providing every application with the performance boost of flash storage. The result of IntelliFlash's single-tier design is a storage array that delivers up to seven times the performance and up to 70% less capacity than legacy arrays. And unlike those legacy arrays where any additional storage services require additional license fees, everything needed is built into the arrays, a full range of storage services, including backup snapshots, remote replication, inline compression and data Yellow Pages Publisher Dials up Western Digital's IntelliFlash to Power Virtualization and SAN Upgrades

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