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Storage Vendors Are Quietly Slipping SMR Disks Into Consumer Hard Drives

Storage Vendors Are Quietly Slipping SMR Disks Into Consumer Hard Drives

“Storage vendors, including but reportedly not limited to Western Digital, have quietly begun shipping SMR (Shingled Magnetic Recording) disks in place of earlier CMR (Conventional Magnetic Recording) disks…” writes Ars Technica.

“In addition to higher capacities, SMR is associated with much lower random I/O performance than CMR disks offer.”

Long-time Slashdot reader castrox shares their detailed report:
Shingled Magnetic Recording is a expertise that enables distributors to eke out increased storage densities, netting extra TB capability on the identical variety of platters — or fewer platters, for a similar quantity of TB. Until lately, the expertise has solely been seen in very giant disks, which had been sometimes clearly marked as “archival”…

Storage distributors look like getting a lot bolder about deploying the brand new expertise into ever-smaller codecs, presumably to avoid wasting a bit on manufacturing prices…
[S]everal customers have reported that these disks can’t be efficiently used of their NAS programs — even if the identify of the particular product is WD Red NAS Hard Drive.
Citing a press release from Western Digital, the article concludes that “The writing on the wall right here appears clear. Yes, Western Digital slid SMR drives into conventional, non-enterprise channels — and no, the corporate does not really feel dangerous about it, and also you should not anticipate it to cease…

“Western Digital does not look like the one onerous drive producer doing this,” they write, noting that the storage-news web site Blocksandfiles.com “has confirmed quiet, undocumented use of SMR in small retail drives from Seagate and Toshiba as properly.”

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