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May 2019, Vol. 17, No. 10

Transition to NVMe protocol depends on performance, workload

NVMe and NVMe over fabrics promise to bring dramatic changes to data center storage infrastructures by enabling increased application density and the use of entirely new applications like machine learning and high-velocity analytics. Upgrading to storage based on the NVMe protocol requires careful consideration and planning so an organization can maximize its capabilities and not waste money. When flash first came to market, manufacturers designed SSDs to look and act like SAS and SATA drives. This meant performance compromises were made to ensure compatibility and easy adoption. As the flash market evolved, a few vendors introduced PCIe-based flash with proprietary drivers that worked around the SCSI protocol. The problem was that these offerings were incompatible with other types of SSDs, heading the data center toward a massively fragmented storage environment. Enter the standards-based NVMe protocol designed specifically for memory-based storage. A replacement for traditional SCSI protocols like SAS and SATA, the most ...

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