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Transition to NVMe protocol depends on performance, workload
This article is part of the Storage issue of May 2019, Vol. 17, No. 10
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 ...
Features in this issue
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Transition to NVMe protocol depends on performance, workload
NVMe flash storage connects directly to the PCIe bus to enable exponentially greater storage-infrastructure performance. Get the lowdown on NVMe products and use cases.
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Enterprise adoption of hyper-converged storage gains traction
Hyper-convergence may be on the upswing, but concerns about vendor lock-in, integration and the independent scaling of resources, including storage, limit its appeal for some.
News in this issue
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Hyper-converged technology ready for next step, multi-cloud
The height of the next hyper-converged infrastructure wave will revolve more around finding the right use cases rather than the right technology and architecture.
Columns in this issue
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Cloud trends of 2019 include repatriation, hybrid and multi-cloud
The rise of the hybrid cloud and the repatriation of public cloud workloads on site to private clouds are driving the broader cloud trends of 2019 toward multi-cloud.
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Understanding the NVMe performance problem
Storage software is a primary performance concern when using NVMe. Discover three workarounds vendors use to fix the problem that exists between NVMe flash and storage software.