Realizing this is a little difficult to track, Western Digital has provided a chart to identify all of their drives with DM-SMR. In device-managed SMR HDDs, the drive does its internal data management during idle times. Old pool was 4 x WD30EFRX and new pool is 2 x WD30EFRX + 2 x WD60EFAX After some experienced issue around performance, i discover that WD60EFAX use a PMR technlogy as mentioned only on the Synology Products Compatibility List with this recommendation: Due to the characteristics of SMR, this SMR drive … 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. Visit the NASCompares Deal Finder to find the best place to buy this device in your region, based on Service, Support and Reputation - Just Search for your NAS Drive in the Box Below, Estimated Budget (if you require Prices where available), Storage in GB/TB Required (if you are enquiring about NAS, DAS or SAN), I am sending this data and accepting this Privacy Policy. Recently, on a Synology device, to extend SHR storage i bought 2 x WD WD60EFAX. Western Digital has been receiving a storm of bad press—and even lawsuits—concerning their attempt to sneak SMR disk technology into their “Red” line of NAS disks. Alternatively, why not try asking NAS Community or join forces yourself. This post has been updated accordingly with these new details. The lawsuit alleges both that the SMR technology in the newer Western Digital Red drives is inappropriate for the marketed purpose of the drives and that Western Digital deliberately "deceived and harm[ed] consumers" in the course of doing so. We’ve rigorously tested this type of use and have been validated by the major NAS providers. Receive free standard shipping (UPS Ground) on eligible purchases delivered within the contiguous United States, excluding addresses in Hawaii, Alaska, Puerto Rico and other U.S. territories. As Synology explains, “rather than writing each magnetic track without overlapping, SMR overlaps each new track with part of the previously written track, much like shingles on a roof.” The result is slower performance and, as evidenced by recurring complaints on r/DataHoarders, problems with RAID arrays. We will not share your email with any third party companies. 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. However, if predictability and reliability are what you are after, you cannot take any shortcuts in modifying your stack as you would for host-managed SMR. In the wake of media coverage from the likes of Ars Technica on the subject, Western Digital … The Original NASCompares News-Post on these WD Red Drives: Over the last few days, a story has been circulating that revolves around WD Red NAS Hard Drives and their potential use of shingled magnetic recording (SMR) and a statement has been shared by the brand highlighting that this is indeed the case, namely, drive managed shingled magnetic recording (DM-SMR). The 8TB and larger drives with the “EFAX” code use CMR technology. WD Red 8-14TB drives use conventional magnetic recording (CMR). Sign up or login to join the discussions! With the ability to deliver predictable, consistent performance comparable to what users expect from traditional PMR drives, host-managed SMR is emerging as the preferred option for implementing shingled magnetic recording. 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. SMR technology is implemented in different ways – drive-managed SMR (DMSMR), on the device itself, as in the case of our lower capacity (2TB – 6TB) WD Red HDDs, and host-managed SMR, which is used in high-capacity data center applications. One of those innovations is Shingled Magnetic Recording (SMR) technology. The 9 days vs 16 hours comes from ZFS which when it resilvers does so on a block by block basis completely non-sequentially. Oct 24, 2018 ⁄ HDD, SMR, Surveillance. We typically specify the designed-for use cases and performance parameters and don’t always talk about what’s under the hood. “We’re committed to providing the information that can help make an informed buying decision for as many uses as possible. Hard drive discs made using SMR technology are less expensive to make than those that use CMR, states the complaint, further noting that Western Digital began using CMR to manufacture hard drive discs and sell them to Canadians in 2012. The fact that WD is stating that these capacities of WD Red (2,4,6TB) use Drive Managed SMR is better than we first thought, it is still off that it is not a factor presented in their datasheets and technical literature. Join the Ars Orbital Transmission mailing list to get weekly updates delivered to your inbox. SMR is tested and proven technology that enables us to keep up with the growing volume of data for personal and business use. Drive-managed SMR, where the drive manages all write commands from the host, allows a plug-and-play implementation, compatible with any hardware and software. On the surface, this may seem like the best of both worlds. We want to keep the free advice on NASCompares, Finally, for free advice about your setup, j. ust leave a message in the comments below here at NASCompares.com and we will get back to you. Western Digital works extensively with customers and the NAS vendor and partner communities to continually optimize our technology and products for common uses cases. "We do not have any SMR drives in our Ironwolf and Ironwolf Pro drives, which are NAS solutions [...] we don't recommend SMR for NAS.". Commercial Internal Drives | Western Digital The new disclosure comes on the heels of WD's blog post yesterday that outlined its stance on using SMR drives. This site is largely a one man operation and any and all questions and contributions are appreciated. Resources: SMR: What we learned in our first year One Year Later…Dropbox Continues to Innovate with Western Digital. Unless you are using your NAS Drive is an enterprise or heavy-duty capacity, this is not something that is mission-critical in the short term and as long as you have a multi-tiered backup and run checked periodically internally on your RAID array and using the NAS storage tools provided – though you should consider the importance of this in conjunction with the importance of your data! - May 29, 2020 9:40 pm UTC. Western Digital allegedly failed to disclose the usage of SMR technology in its hard drives. All our WD Red drives are designed to meet or exceed the performance requirements and specifications for common and intended small business/home NAS workloads. (adsbygoogle = window.adsbygoogle || []).push({}); Shop year end deals! Post was not sent - check your email addresses! “The past week has been eventful, to say the least. But Western Digital has been the most brazen of the three, and it's been singled out for a class action lawsuit in response. There are both device-managed and host-managed types, each for different use cases. Although Western Digital does not, to the best of our knowledge, have an official policy regarding replacement of Red drives unknowingly purchased with … Essentially, SMR comes in three variations – DMSMR, HMSMR and HASMR. Jim Salter. CNMN Collection QLC) and not disclosing it. 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. WD Red HDDs are ideal for home and small businesses using NAS systems. In a traditional RAID1/5 rebuilt the drive is sequentially rebuilt from start to end. 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. Buffalo launches 40GBASE-T compatible CAT8 LAN cabTerraMaster F8-422 10Gb high-speed quad-core NASDSM 7.0 BETA download AvailablePegasusPro Thunderbolt NAS Collaborative Video EdiNew WAX204 Dual Band WiFi 6 AX1800 Wireless Access. Your California Privacy Rights | Do Not Sell My Personal Information ... We put Western Digital’s dreaded SMR Red drive to the test. Your concerns were heard loud and clear. Host-aware SMR is like a superset of the aforementioned options. 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. The data intensity of typical small business/home NAS workloads is intermittent, leaving sufficient idle time for DMSMR drives to perform background data management tasks as needed and continue an optimal performance experience for users. NEWS We are here to help.”, 20-04-2020 – Official Statement from Western Digital on this matter. It isn’t clear whether Western Digital will update its marketing materials to show that its 2 TB – 6 TB Red NAS are SMR drives. Enter your email address to subscribe to this blog and receive notifications of new posts by email. Having built this reputation, we understand that, at times, our drives may be used in system workloads far exceeding their intended uses. Ad Choices, with 92 posters participating, including story author, Western Digital adds “Red Plus” branding for non-SMR hard drives, Lawsuit vs. Western Digital wants to end any use of SMR in NAS drives, We put Western Digital’s dreaded SMR Red drive to the test, Western Digital gets sued for sneaking SMR disks into its NAS channel, Seagate says Network Attached Storage and SMR don’t mix. Some drives without mentioning it on the spec sheets was eye opening something gets added to this and. The NAS vendor and partner communities to continually optimize our technology and for! 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