According to the firm, WD failed to divulge in its marketing collaterals and product specifications that many of its hard drives use the Shingled Magnetic Recording (SMR) technology, which has been found to slow down hard drive performance.. SMR entails overlapping recording tracks on a hard drive in a bid to slash manufacturing costs and ramp up hard drive capacity. A full statement is below (from guru3D): “All our WD Red drives are designed meet or exceed the performance requirements and specifications for common small business/home NAS workloads. Our customers’ experience is important to us. With a supported workload rate of up to 180 TB/yr1 and support for up to 64 cameras, WD Purple drives are optimized for surveillance systems. Each implementation serves a different use case, ranging from personal computing to some of the largest data centers in the world. 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Now, it turns out this is something that many platforms and solo users online had reached the conclusion of as early as July 2019 and when reaching out to WD, and was met with less than immediate responses. The two companies most flagged and castigated by technology watchers, pundits and commentators, Western Digital and Seagate, have begun to respond and clarify which models use SMR, and which (in our opinion) should, therefore, be avoided unless price-per-gigabyte is more of a factor in a purchasing decision than read and write speeds. If you can endure the terrible green screen use and my UTTER inability to pronounce the H correctly, it may well serve as an early window into how this kind of tech was being distinguished even 5 years ago. If you ever questioned whether your hard drive uses SMR, then this guide would help you. In our testing of WD Red drives, we have not found RAID rebuild issues due to DMSMR technology. DMSMR is designed to manage intelligent data placement within the drive, rather than relying on the host, thus enabling a seamless integration for end users. All rights reserved. Making Host Managed SMR Work for You – Dropbox’s Successful Journey. We strive to make the experience for our NAS customers seamless, and recording technology typically does not impact small business/home NAS-based use cases. The 8TB and larger drives with the “EFAX” code use CMR technology. “Recently, there has been a discussion regarding the recording technology used in some of our WD Red hard disk drives (HDDs). We will update our marketing materials, as well as provide more information about SMR technology, including benchmarks and ideal use cases. WD has started listing its existing hard drives with SMR technology in marketing materials, and … Your concerns were heard loud and clear. iXsystems and Western Digital have been working to identify and resolve the ZFS compatibility issue with the WD Red DM-SMR drives. We will update you more and more on how this will pan out, as well as how WD is going to respond to those that have long term concerns about their data moving forward. With all the recent controversy regarding WD, Toshiba, and Seagate slipping SMR drives into retail channels and failing to disclose the use of their slower technology, we thought it would be interesting to dive into the actual impact of using a SMR drive. Hattis Law has initiated a class action lawsuit against Western Digital, accordingly. ... We put Western Digital’s dreaded SMR Red drive to the test. We work closely with major NAS providers to ensure WD Red HDDs (and SSDs) at all capacities have broad compatibility with host systems. Enlarge / Although Western Digital's 4TB SMR disk performed adequately in Servethehome's light duty tests, it performed miserably when they used it to replace a disk in a degraded four-disk RAIDz1 vdev. All other HDDs in these series use different recording technology called CMR or conventional magnetic recording. WD Red drives are designed and tested for an annualized workload rate up to 180TB. Western Digital has heralded a positive shift in its approach to users of shingled WD Red NAS drives, via a short statement on the company blog.. As described in our recent article Western Digital admits 2TB-6TB WD Red NAS drives use shingled magnetic recording (SMR), some users can experience performance problems in situations such as adding the drives to RAID groups which use … IMPORTANT – This Article has been updated on 23/04/2020 with Information Provided by an official statement and hardware breakdown from Western Digital, from their official blog. Western Digital begins mending fences in WD Red NAS drive SMR spat – Blocks... Western Digital has heralded a positive shift in its approach to users of shingled WD Red NAS drives, via a short statement on the company blog. When asked why has Western Digital excluded a recording type specification in the datasheet specifications, Yemi stated: Most of our customers choose our drives based on specific performance attributes of their use cases, such as transfer and workload rates, and it is our goal to make that information very clear on all of our materials. You are correct that we do not specify recording technology in our WD Red HDD documentation. “We’re committed to providing the information that can help make an informed buying decision for as many uses as possible. Although all three major manufacturers quietly added SMR disks to their desktop hard drive line-up, Western Digital is the only one so far to slip them into its NAS (Network Attached Storage) stack. 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