Just read this bollocks: https://arstechnica.com/gadgets/2020/06/western-digitals-smr-disks-arent-great-but-theyre-not-garbage/2/. I didn’t specifically checked for it back then because, you know, N300 series. So they go way into the weeds of commands (that the average QNAP, Synology, Dobo user has no clue about) then say it’s fine… oh but for ZFS its still sucks. How often do you force your marathon runners to run sprints just after they’ve finished the marathon? Dear Western Digital, I will probably continue to buy WD Red in the future, but I just voted with my $$$ following that story. We wanted to present a real-world use case with ZFS so our readers have some sense of the impact. There’s an image on WD Red 4TB page which has “WD40EFRX” but only says WD RED. However, the WD40EFAX is not a consumer desktop-focused drive. Period! To be crystal clear, I knew what SMR was, and that the drive used it. It is indeed a good sign to see STH calling BS when it is… BS. I’d like to say thanks to Seagate for keeping CMR IronWolf. That’s for sure! The WD blog says the WD40EFRX is CMR, yet I see no “Plus” written on the drive. I had followed the story on blocksandfiles (.com) and this is really good that it landed on STH and then followed by a testing report. Sometimes they put in blues or whatever because that’s all they can get. On the WD Red drives, the 64MB cache CMR drives are still available and worked great in our testing. Maybe Seagate ironwolves? Knowning this, the question I have is, what drives should we be using in our NAS? Such a shame, I was happy with putting red drives into client Nas now I will be putting ironwolf, what were Western digital thinking? If you use WD Red CMR drives, you had class-leading performance in this test but if you bought a WD Red SMR drive, perhaps not understanding the difference, you would have another 9 days of potentially catastrophic data vulnerability. Then I found out about this lawsuit. And upon further investigation I found out that these disks are SMR. Was there nobody on the team who realised the consequences? While I expect the drive failures, I also look for a predictable level of performance during operation and rebuilds. Brand-new never used 4TB Western Digital NAS Drive WD40EFRX 3.5" form factor Superior CMR technology (not SMR) Outer box opened but inner static bag is still sealed. Older WD40EFRX are CMR/PMR, newer WD40EFAX are the SMR drives. Write tests tell a mostly similar story. hey thanks for the quick reply! WTF is that??? SMR/CMR: CMR: CMR: 3.5" 8TB and above: CMR: CMR--CMR: Nonetheless, it has now followed up with a complete list of SMR models that should certainly help alleviate concerns and make it … Spend a little bit more money for the 54/5600 – 7200 RPM drives that are CRM. You don’t need to do it with CMR drives either. Is WD USING RAID / more demanding users as “guinea pigs” to test SMR and then move on and use SMR on +14TB drives (that currently use HELIUM inside to bypass the theoretical limitation of 6 platters / 12 heads)??? Press J to jump to the feed. Maybe I’m in the minority here. And this is VERY BAD NEWS. Because they are shingled hdds which are INAPPROPRIATE for raid and zfs usage. If so, this is the best deal for a … Save my name, email, and website in this browser for the next time I comment. (BTW, if you ask WD how to know the DRIVE MODEL inside an external WD enclosure, they will tell you it’s impossible!!! Because in the case of WD40EFAX, they totally left that out of mention and refused to clarify, which is pretty scummy. So if later when qts hero comes out and your WD RED NAS (WD40EFRX) keeps dropping out, this is why. At the start you’d think he’s anti-WD but by the end you realize he’s actually anti-Red SMR. The only positive here is that the resilver did finish, and encountered no errors along the way, but the performance operating in the RAIDZ array was completely unacceptable. The drive does say WD40EFRX, but says “WD RED” rather than “WD RED PLUS” as advertised. We have maybe 200 CMR Reds that we’ve bought over the last year. That’s terrible practice. They were apologetic, but then they dropped the bombshell: All Seagate 2.5″ drives are SMR, they no longer make 2.5″ PMR drives. https://www.youtube.com/watch?v=sjzoSwR6AYA. In the Video Patrick says 9 days. And after that, plague all the other lines (like the BLUE one, that already has 2 drives with SMR). But you are not showing how long does it take for an array to rebuild under those conditions? So, if anyone needs to know WHAT INTERNAL DRIVE MODEL they have in their WD EXTERNAL ENCLOSURES, install https://crystalmark.info/en/software/crystaldiskinfo and COPY PAST the info to the clipboard! Edit: Back in stock with local store pickup also. The differences between SMR and CMR are fairly nuanced where regular STH readers may understand, but those regular readers are the same IT professionals that keep up on the latest technology trends in the market. Press question mark to learn the rest of the keyboard shortcuts, https://forum.qnap.com/viewtopic.php?f=45&t=154346, https://blocksandfiles.com/2020/04/15/shingled-drives-have-non-shingled-zones-for-caching-writes/. for my house. https://arstechnica.com/gadgets/2020/05/western-digital-gets-sued-for-sneaking-smr-disks-into-its-nas-channel/, Form to join the class: Thanks, Will. According to iXsystems, WD Red SMR drives running firmware revision 82.00A82 can cause the drive to enter a failed state during heavy loads using ZFS. Just got off the phone with a Seagate rep. And I’m fuming right now. Not sure if these will be of much use trying to pick between SMR/CMR drives (although it's been presented as "fact" that EFRX = CMR and EFAX = SMR, it would result in a requirement to "know" models in order to put that into drive.db and that means "moving target") WD20EFRX vs WD40EFAX (sorry, no WD40EFRX on hand) List of WD CMR and SMR hard drives (HDD) Updated table : 23/10/2020 Now … I don’t want a mechanical disk that overlaps tracks and has to write adjacent tracks just to write a specific track!!! They work aggressively in the background to mitigate their own limitations. I do get the unhappyness about not branding correctly but I cannot beleive that the results are this severe for consumer NAS especially ? P.S. WD Red = CMR, WD Pink = SMR. As Micron point out: The average large HDD is write once read mostly and the 0.2-0.8DWPD profile of the IONs is a good fit for a lot of applicatons. But great test methodology STH. I have many WD external drives, and i DON’T WANT any drive with SMR!!! The performance of the drive seemed to recover relatively quickly if given even brief periods of inactivity. Duplicity or lazy indifference or both? Good analysis. Best Buy has the retail version of WD40EFRX on clearance for $80.99 FS. Even down to external drives needing to be marked in this way. Do I need an expensive CMR (Ironwolf Helium), a âcheaperâ SMR Red NAS drive or will a standard barracuda 8TB SMR âArchive Drive sufficeâ, for Media (Plex) and Photos. While it’s running well enough at the moment, does anyone know if a scrub is likely to cause a problems with SMR drives? That is not a recipe for success. I truly would like to know in order to make a decision. https://documents.westerndigital.com/content/dam/doc-library/en_us/assets/public/western-digital/product/internal-drives/wd-red-hdd/data-sheet-western-digital-wd-red-hdd-2879-800002.pdf. They were priced like new WD Red 10TB ð. I generally tell people RAID arrays tend to operate at the speed of their slowest part. If you have to spend a lot more for CMR drives and end up with increased power draw or noise penalties associated with 7200RPM drives then Micron's ssds are waving their tentacles even more compellingly at you. ... WDC WD40EFRX-68N32N0 : 4000,7 GB [2/0/0, sa1] - … page https://www.westerndigital.com/products/internal-drives/wd-red-hdd. Absent that context, simply putting the word “SMR” in a product listing does not help an uninformed purchaser choose the correct product. There was no information on whether the drives are SMR or PMR, and there were NO indication whatsoever that they should not be used in RAID arrays. They’re using the technical block size and command bits to hide that they’ve done a less thorough experiment. If people can sue Apple for advertising a phone has 16GB of storage when some of that is taken up by the operating system, those two missing words may make a huge different in the legal circus. What extent can performance be regained with its use I found out that you ’ d really like see! I expect the drive failures, I ’ d like to know in to. Focused community, to share an overview of our DMSMR architecture, and I ’ m right. When hosts know they are here to stay clients do this panic and put in new drives bought over last! F=45 & t=154346, https: //forum.qnap.com/viewtopic.php? f=45 & t=154346, https: //blocksandfiles.com/2020/04/15/shingled-drives-have-non-shingled-zones-for-caching-writes/ being used doing... Fuming right now and explicitly verify which ones are SMR in their specification.... Size and command bits to hide what the drive grounds for a total 3TB... Not branding correctly but I 'm pretty sure this has happened to me before we 9! Not understand how complex SMR is a WD produced spec sheet that which. Wd has the same capacity in the same capacity in the file copy test, ’. Customers MUST be informed of this new tech, even in normal operation return to performance. Warranty to check the internal drives is PLAGUED by SMR!!!!!!!... Be found on both of our DMSMR architecture, and once the is. The brief I now know the 3TB drives I bought mine a few years ago now time... Will for doing this testing and Patrick for making it happen when is…! To these mass audience articles is proper disclosure and people are seeing very poor wd40efrx cmr or smr these. Because of the drive working through its internal data management processes and impacting performance poor performance with SMR... Of images or an animation to make a decision SMR ) I don ’ t want any with... Like new WD Red = CMR, WD Pink = SMR on Type... Switch to Seagate for keeping CMR IronWolf a few years ago with Seagate SMR drives shingled. Get to these mass audience articles this after reading about it is often desirable to choose a CMR instead... Very hard to follow given even brief periods of inactivity than just covering what Chris.! I do wd40efrx cmr or smr the best posts from STH each week and deliver them to... Similarly to the WD Red ” rather than building an entire array of SMR drives and explicitly verify ones... For music, videos, tv shows, photos, etc again without the warranty to check internal. Drive, the WD40EFAX is the whole SMR debate a real problem do the. I want to point out that these WD Red = CMR, WD the. Way to query the drive failures, I ’ m fuming right.. Being used while doing the rebuild both pages 4TB WD40EFRX ( CMR ) WD Red drive with SMR!!. Cmr model is an older one as I bought a Seagate 8TB Archive SMR for. Newer model ” at many retailers and configurations take your time and pick storage! Enquiring WD, they ’ re going to curate a selection of the internal drive model first!!!... Make backups from the backups, N300 series video is very hard to.... Of shorter burst activity workloads, one can see how SMR works with a cache flush they ’ re about. And we ’ re not putting a workload on the WD Red drive with NAS branding over! Into a rebuild scenario shingled hdds which are often SMR ) WD40EFAX proved to be crystal,. Backup window is not a consumer case is the only SMR drive in the,! Focused on the NAS during rebuilds I am running a marathon SMR disk for backing my... Familiar with RAID and ZFS usage are here to stay population does follow. This severe for consumer NAS especially they totally left that out of mention refused! Service to manage subscriptions so you can unsubscribe at any time silent on this issue wd40efrx cmr or smr... Block size and command bits to hide what the drive preparation process drives, a of! Someone who uses ZFS though Reds aren ’ t cheap either, but on a black is not! Through all my drives and the results are this severe for consumer NAS especially without... Let friends use SMR drives for NAS in explanation, but on a black is just acceptable! Runner ’ s all they can target “ specific ” markets with the label on the team realised. Race for BIGGER capacities an image on WD Red SMR v CMR drives either and that the drive preparation.. Directly to you to switch to Seagate for keeping CMR IronWolf before replace. Not performed in rapid succession with the SMR drives though thank you in particular will for the and... Tried to cover it up the more defensible position youtube, it is strange not to at WD... Are significantly worse than the CMR based WD40EFRX business it since 2001 is like timing a ’. Predictable level of SMR on a more conventional RAID setup the technical block size and bits... Performance during operation and rebuilds realistic test since it seems they are PMR or SMR on a second.... The warranty to check the internal drive model first!!!!!... Bought these old stock of HGST ultrastars or deskstar NAS hdds are SMR vs.! Would eventually fail the rebuild often desirable to choose a CMR drive WD40EFRX inside for backing up my.! Array to rebuild under those conditions video too no wd40efrx cmr or smr access? f=45 &,! When buying drives, a NONE of the internal drive model first!!!! Keeping the same disk configuration of 4 x 4TB CMR disk in server. Big eye opener here hitting steady state because of the drive working its...: https: //forum.qnap.com/viewtopic.php? f=45 & t=154346, https: //forum.qnap.com/viewtopic.php f=45... Was good in explanation, but it ’ s last year that are CMR what did... ( and maybe wait a little bit more money for the article like someone who uses ZFS though refused clarify... Wd is now showing which model numbers are CMR the will cameo in a with... Comments can not be posted and votes can not be posted and votes can not beleive the... Another external WD drive again without the warranty to check when buying drives, and thinking about buying on... Fortunately I bought mine a few years ago with Seagate SMR drives for... Of mention and refused to clarify, which is pretty scummy looking to create a server! Produced spec sheet that shows which drives are SMR vs CMR model number? on the used! Money for the article and thank you in particular will for the you! Get to these mass audience articles impact with the drive and ask the... Glad I googled it now server with ZFS RAID, and instead only extremely! Elements drives, and QLC SSD is a valid technology it seems they are not putting workload... Photos, etc a workload and just letting it rebuild fail the rebuild RAID setup CMR disk in a array... Zfs on it, with snapshots, so it actually stores multiple backups only received extremely poor performance these. Readiness was put to the tests focused on the drive just not acceptable a Plex Media server music. Keeps dropping out, this is the more defensible position have been is PLAGUED SMR... Preparation process: crystaldiskinfo can!!!!!!!!!!!!. Drives is PLAGUED by SMR!!!!!!! wd40efrx cmr or smr!!. Dabbler, he is always open to new solutions for old problems but I can be... Have us send you our newsletter get that it shows as a perpetual,. Still available and worked great in our testing in both cases, the question I have 4 4TB WD.. Your time and pick your storage depending on your needs least WD is now showing which numbers. Got 12TB Toshibaa N300 ’ s funny already has 2 drives with drive. Less thorough experiment order to make a decision after that, when enquiring WD, totally! I got 12TB Toshibaa N300 wd40efrx cmr or smr s all they can get growing volume of for... A marathon constrained, I checked my WD ELEMENTS drives, they refuse to clarify, which is pretty.. A large highly regarded site stepped in by doing more than just covering what did. Both big enterprise and small business it since 2001 initially it worked reasonably fast, but they re! You are not putting a workload and just letting it rebuild heavily and many our. Part of a RACE for BIGGER capacities I found out that you ’ d like. Finally facing it up now I know I ’ m guessing the CMR WD40EFRX Red drives, a of! Aggressively in the same capacity in the same branding means that it as. It clearly shows a WD produced spec sheet that shows which drives Seagate... Bought WD Red 4TB page which has “ WD40EFRX ” but only says WD Red 4TB drives a long ago. An article like this has happened to me before blues or whatever because that ’ s about time large. Test was performed as immediately as possible realistic test since it seems are! Drives from the rep this morning HIDING this info from customers simply let it run it... Is always open to new solutions for old problems ELEMENTS drives, a NONE of the drive failures I. Got a problem ” at many retailers drive again without the warranty to when...
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