Here is our list of drive contenders: HGST 4TB 0F26902 (7200 RPM) Seagate Ironwolf NAS 4TB ST4000VN008; WD Red 4TB WD40EFRX (CMR) WD Red 4TB WD40EFAX (SMR) WD40EFAX. For NAS, SMR drives are not recommended due to their slower write speeds. Results with Seagate Archive v2 are encouraging, 4.5 days resilver time for an 8x8TB raidz2 in the linked test. ← Apr 15, 2020 #15 Discussion in 'Industry News' started by Calliers, Apr 25, 2020. Toshiba I added below WD, 2TB models 4 500GB platters, 2.5 and 3TB models use 4 750GB platters. Western Digital Red family: Western Digital adds SMR drives to its WD Red family, but it doesn’t tell users this fact. In the wake of media coverage from the likes of Ars Technica on the subject, Western Digital … “Currently, Western Digital’s WD Red 2TB-6TB drives are device-managed SMR (DMSMR). Testing the WD Red 4TB SMR WD40EFAX Drive. The WD Blue and WD Black Series come in the 2.5" form factor. As on 22nd April (when the list was internally compiled by Western Digital), there are 9 client-segment hard drives that use SMR, four of which are from the company's WD Red family, two each from the WD Blue 3.5-inch and WD Blue 2.5-inch families; and one from the 2.5-inch WD Black family. The company also divulged that it is also shipping SMR technology in some of its WD Blue and WD Black hard drives for desktop PCs and laptops. Based on my time with those drives, I was expecting much poorer results. for wd reds this shows as efrx (standard drive) suffix being changed to efax. Our drives are purpose-built, meaning each of our internal drives are built specifically for their intended use. Our drives are purpose-built, meaning each of our internal drives are built specifically for their intended use. X. XeonLab New Member. SSD have a TRIM function, which allows the drive to collect garbage (deleted data) and erase it in the background when drive is idle and not loaded. Aug 14, 2016 25 6 3. There’s a leading edge WD Red™ drive for every compatible NAS system to store your precious data. List of hard drives using SMR technology. It turns out implementing SMR technology in WD Red drives is a big deal. Certain notebook PC, game consoles, and external consumer drives also use SMR: L200 2TB, L200 1TB, MQ04 2TB and MQ04 1TB. WD needs to acknowledge this as an issue, and fix it. “You are correct that we do not specify recording technology in our WD Red HDD documentation. Each drive has been optimised, tested, and approved by various technology partners to meet and exceed the requirements for its application in terms of reliability, performance and quality. While that also sounds like a win for consumers, these drives are … Benefits for an SMR Drive. So I don't believe these are SMR. Towards the middle of 2019, WD silently introduced WD Red hard drives (2-6TB capacities) based on drive-managed SMR. The WD Blue 2.5" HDD series that feature the SMR technology is the 1 TB drive, and the 2 TB drive while from the WD Black 2.5" HDD series only has a single drive that uses the SMR technology, which is the 1 TB drive. My list is now as complete as I can make it, if a 2.5" drive 2TB and up is not on this list it is most likely SMR. Also, WD's SMR drives apparently list support for TRIM and the others EFAX sizes don't as far as I know. Instead, individually the WD Red SMR drives Are essentially functional. Western Digital and Seagate Uses SMR in Their Drives. WD publishes complete list of SMR drives following user backlash. Perhaps they intend on replacing the 12TB easystores with SMR drives eventually. It does suck that WD won't tell us one way or the other. The company does not use SMR in the N300, a NAS drive intended for the consumer market -- unlike Western Digital which uses SMR in some low-end WD Red NAS devices. ). There are many YouTube videos that recommend shucking these white label drives as a cost effective way to obtain “real WD RED drives” masquerading as a cheaper drive. The WD40EFAX is the only SMR drive in the comparison and is the focus of the testing. There is a way to tell if the hard drive is SMR if you have it on a NAS or have the ability to access a UNIX command console. The fact that they use SMR at all bothers me though, especially since they're not transparent about it. This requires HDD resources to keep track of LBAs that are mapped to a physical location (translation table like what is … “The information you shared from [Geizhals] appears to be inaccurate. Both models are designed for desktop PCs and laptops, with the former coming as a value drive while the latter is designed for high-performance users. Western Digital, whose WD Red sparked the episode, has now also come out with a chart of which drives use SMR and which ones use the Conventional Magnetic Recording tech or SMR. Under the hood, these drives, along with some 2.5"and 3.5" WD Blue and 2.5" WD Black lineups, use the Shingled Magnetic Recording (SMR) technology. We had two main areas of testing. WD publishes complete list of SMR drives following user backlash Using SMR technology instead of conventional magnetic recording allows HDD manufacturers to put out denser drives at cheaper prices. “these wd red nas hard drives with the inferior smr technology are potential ticking time bombs that risk the destruction of customer data and files at any moment,” the lawsuit claims. Arguably 8TB CMR drives are so affordable that going for SMR is … WD 2.5" 2TB CMR drives. Reds 2-6TB, 3.5" Blues 2-6TB, 2.5" Blues 1-2TB, and [1984] 2.5" [/1984] 1TB Blacks. Calliers Administrator Staff Member. Neither the WD120EMFZ or WD120EMAZ drives I own support TRIM. Unlike CMR drives, SMR drives allow the LBA’s mapping to physical location to change with each write. 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. At the same time, on WD SMR this functions works differently. Western Digital's SMR disks won't work for ZFS, but they're okay for most NASes. Users didn’t find it until some of them are experiencing problems when they are adding the latest WD Red NAS drives to the RAID arrays. We are continuously innovating to advance it. The WD Blue and WD Black Series come in the 2.5" form factor. Western Digital WD Blue 2.5-inch HDD WD Quality Built to the high standards of quality and reliability of the WD brand, these drives offer the features and capacity ideal for everyday computing needs. Each drive has been optimized, tested, and approved by various technology partners to meet and exceed the requirements for its application in terms of reliability, performance, and quality. With drives up to 6TB, WD Red™ offers a wide array of storage for customers looking to build a NAS solution. The testing is not yet complete, but at this stage, we can confirm: Some SMR drives are indeed compatible with ZFS, though due to a lack of a ratified industry standard implementation of the technology, they don’t all necessarily behave the same. The WD representative’s wording about the suitability of SMR for archival purposes brings up the question of the WD “White” drives that are included in external USB storage offerings. Complete list of mechanical hard drives that make use of SMR technology, in addition to highlighting the advantages and disadvantages Saturday, January 9nd 2021 Spanish Western Digital SMR drives use Full LBA Indirection. Where sda is where you have the disk mounted (can be sdb, sdc, etc. WD and Seagate are both submarining Drive-managed SMR (DM-SMR) drives into channels, disguised as "normal" drives. Until then, using SMR WD Reds even in archive use cases is fraught. iXsystems and Western Digital have been working to identify and resolve the ZFS compatibility issue with the WD Red DM-SMR drives. In addition to the WD Red NAS drives that the company previously admitted used SMR tech, WD is also shipping the tech into its 2.5"and 3.5" WD Blue and 2.5" WD Black lineups. 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 … Also all WD drives that are SMR to this point have claimed TRIM support. It's been quite a discussion, WD offering a NAS series that in hindsight, isn't RAID compatible because they are shingled magnetic recording drives. If you format your SMR drive accidentally, data recovery will be possible only with PC-3000 and only partially. WD Red 8TB-14TB drives are CMR-based. Wd and seagate are both submarining drive managed smr (dm smr) drives into channels, disguised as "normal" drives. The performance results achieved by the WD Red WD40EFAX surprised me; my only personal experience with SMR drives prior to this point was with Seagate’s Archive line. 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