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posted by martyb on Thursday March 14 2019, @11:58PM   Printer-friendly
from the a-bit-of-an-overstatement? dept.

The Reality of SSD Capacity: No-One Wants Over 16TB Per Drive

One of the expanding elements of the storage business is that the capacity per drive has been ever increasing. Spinning hard-disk drives are approaching 20 TB soon, while solid state storage can vary from 4TB to 16TB or even more, if you're willing to entertain an exotic implementation. Today at the Data Centre World conference in London, I was quite surprised to hear that due to managed risk, we're unlikely to see much demand for drives over 16TB.

Speaking with a few individuals at the show about expanding capacities, storage customers that need high density are starting to discuss maximum drive size requirements based on their implementation needs. One message starting to come through is that storage deployments are looking at managing risk with drive size – sure, a large capacity drive allows for high-density, but in a drive failure of a large drive means a lot of data is going to be lost.

[...] Ultimately the size of the drive and the failure rate leads to element of risks and downtime, and aside from engineering more reliant drives, the other variable for risk management is drive size. 16TB, based on the conversations I've had today, seems to be that inflection point; no-one wants to lose 16TB of data in one go, regardless of how often it is accessed, or how well a storage array has additional failover metrics.

Related: Toshiba Envisions a 100 TB QLC SSD in the "Near Future"
Samsung Announces a 128 TB SSD With QLC NAND


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  • (Score: 2) by The Mighty Buzzard on Friday March 15 2019, @03:52AM (2 children)

    Depends on how important the server was to their business. Or at least how important they thought it was. You can occasionally get a small business that has a genuine need for a server and knows it but either quality is somewhat rare. Most can get by just fine with like half a dozen low-end-workstation-spec boxes or less but the ones that can't will find that out sooner or later.

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  • (Score: 3, Insightful) by PartTimeZombie on Monday March 18 2019, @12:35AM (1 child)

    by PartTimeZombie (4827) on Monday March 18 2019, @12:35AM (#816172)

    Like every job I've heard of, the server would be incredibly important, only not worth spending any money on. ;-)