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Western Digital SSDs, HDDs Deal with Cloud Challenges


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Western Digital Corp.’s (WD) newest batch of latest storage merchandise is a reminder that arduous drive know-how isn’t going wherever as prospects of all sizes grapple with exponential knowledge progress and lift their efficiency expectations of storage media.

The corporate kicked off a day–lengthy collection of bulletins by beginning with its newest laborious disk drive (HDD) choices — the 22TB and 26TB UltraSMR HDDs are geared toward hyperscale cloud prospects and leverage a number of of WD’s propriety applied sciences, together with the lately introduced OptiNAND and its enhanced shingled magnetic recording (SMR).

Ashley Gorakhpurwalla, EVP and GM of the corporate’s HDD enterprise unit, mentioned WD is on monitor to ship a 30+ TB answer with vitality–assisted perpendicular magnetic recording (ePMR), which permits for scaling past legacy PMR. Together with OptiNAND and UltraSMR, it’s the basis of WD’s HDD roadmap to fulfill capability calls for and help the evolving economics of knowledge facilities and decrease whole price of possession (TCO).

“Capability and density are nonetheless going to have the elemental proportional, linear relationship to worth for a lot of of our prospects’ TCO,” Gorakhpurwalla mentioned.

He mentioned the information progress that have to be dealt with by knowledge facilities is being pushed by unstructured knowledge that’s pumped into suggestion engines, promoting engines, content material filters, and AI/ML algorithms.

“Going ahead is we’re only a few years away from having to ship a number of zettabytes in a single 12 months to be able to sustain with the cloud problem in entrance of us.”

WD’s OptiNAND and UltraSMR options

OptiNAND is a brand new drive structure that makes use of NAND flash to reinforce the standard HDD by embedding it with an iNAND EFD. (Supply: Western Digital)

OptiNAND is a brand new drive structure that makes use of NAND flash to reinforce the standard HDD by embedding it with an iNAND embedded flash drive. By utilizing OptiNAND with proprietary firmware that leverages HDD system–stage {hardware} developments, the brand new UltraSMR know-how introduces massive block encoding together with a complicated error correction algorithm that will increase tracks–per–inch to allow greater capability.

For the 26TB Ultrastar DC HC670 UltraSMR HDD, it interprets into 2.6TB per platter and 18% extra capability for cloud prospects optimizing their stacks to reap the benefits of the advantages of SMR. A type of prospects is DropBox, which runs a hybrid infrastructure that features public cloud and personal cloud.

In keeping with Ali Zafar, DropBox’s head of hybrid infrastructure, “Dropbox has over 700 million registered customers and all of these customers depend on our infrastructure to supply one of the best–in–class efficiency, reliability, and safety.” He mentioned companions akin to WD allow the corporate to plan, function, and scale out its infrastructure to fulfill these expectations.

DropBox shops greater than 800 billion items of content material which are being saved in DropBox, and the character of that knowledge has modified, defined Zafar. “Now we have a whole lot of richer media.”

SMR know-how permits DropBox to scale effectively and quickly, in addition to optimize TCO to decrease each working bills and capital expenditures as a result of it requires fewer racks and fewer area, reduces influence on networking, and reduces energy. “The cooling has been superb,” Zafar mentioned.

Concentrating on hyperscale prospects with Ultrastar NVMe

WD can be addressing knowledge heart calls for and TCO with its new Ultrastar NVMe PCIe 4.0 strong–state drives (SSDs) for choose hyperscale prospects, significantly public cloud deployments the place infrastructures are more and more disaggregated to supply elasticity, scalability, and predictability. Rob Soderbery, EVP and GM of WD’s flash enterprise unit, mentioned disaggregating storage from compute additionally permits a brand new section of excessive–capability knowledge heart NVMe SSDs that enhance storage utilization and improve knowledge heart rack densities for virtualized and multi-tenant environments.

“We’re additionally seeing an rising specialization and evolution of enterprise SSDs for the cloud,” Soderbery mentioned.

WD’s Ultrastar DC SN650 NVMe SSD household features a 2.5–inch type–issue for conventional infrastructure, in addition to and the slimmer E1.L type–issue. (Supply: Western Digital)

Whereas HDDs make sense to fulfill the capability calls for of content material storage, he expalined, there are totally different dynamics at work with SSDs resulting from elevated disaggregation of compute and storage, and extra virtualization on the storage layer.

Completely different workloads are driving totally different SSD traits, mentioned Soderbery. The size of the cloud at present permits for specialization of the whole infrastructure stack to ship optimized efficiency for varied person experiences catered to by hyperscalers — whether or not it’s a extra normal enterprise workload or an enormous knowledge workload. He mentioned the latest announcement with Samsung round zoned storage performs into this give attention to specialization, as does WD’s newest SSD providing.

The brand new Ultrastar DC SN650 NVMe SSD household features a 2.5–inch type–issue for conventional infrastructure, in addition to and the slimmer E1.L type–issue, which considerably will increase rack storage density and thereby reduces TCO. Each characteristic capacities as much as 15.36TB, subsequent–technology BiCS5 3D TLC NAND, and a PCIe 4.0 interface.

These SSDs improve the variety of virtualized hosts per SSD and consolidate bigger utility datasets to enhance storage useful resource utilization. Soderbery mentioned the Ultrastar DC SN650 focuses on addressing challenges within the cloud, and the portfolio will broaden to cowl additional compute and storage use circumstances.

Whilst WD focuses each HDD and SSD efforts on enterprise and cloud alternatives, the surge in distant work during the last two years in addition to gaming has created wholesome demand for consumer SSDs.

“It’s been an incredible couple years within the consumer enterprise that has been pushed by earn a living from home by customers and employers having realized now that the PC is the important anchor level in your data employee,” Soderbery mentioned. “We’re even seeing the PC refresh cycle speed up, reversing a multi–12 months pattern.”

WD additionally unveiled its new SanDisk 2 Skilled PRO–BLADE Modular SSD ecosystem geared toward media professionals. The corporate claims the ecosystem cannot solely save hours on transfers in addition to cash for equal capability, however it will possibly additionally cut back the amount and weight of their gear, in addition to present two new SSDs inside its WD_BLACK gaming portfolio.

— Gary Hilson is a normal contributing editor with a give attention to reminiscence and flash applied sciences for EE Instances.

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https://www.eetimes.com/lots-of-spin-left-for-hard-drives/

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