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Thread: WD Red HDD naming convention makes SMR choices clearer

  1. #33
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    Re: WD Red HDD naming convention makes SMR choices clearer

    Quote Originally Posted by jimborae View Post
    You don’t
    Quote Originally Posted by [GSV]Trig View Post
    You do it from your backup..
    Exactly - for "cheap consumer NAS" it just doesn't matter how long it takes to rebuild an array. If you're running a parity drive then you're well past cheap consumer level, and in simpler setups SMR performs OK. It's not exactly as fast as CMR, but average speeds in write intensive loads are almost as good as CMR - there's no order of magnitude difference

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    Re: WD Red HDD naming convention makes SMR choices clearer

    Quote Originally Posted by Xlucine View Post
    Exactly - for "cheap consumer NAS" it just doesn't matter how long it takes to rebuild an array. If you're running a parity drive then you're well past cheap consumer level, and in simpler setups SMR performs OK. It's not exactly as fast as CMR, but average speeds in write intensive loads are almost as good as CMR - there's no order of magnitude difference
    Am going back to RAID 1 Volumes on my DS1815+ to keep things simpler (which is what the 2 14TB hdds are for)

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    Re: WD Red HDD naming convention makes SMR choices clearer

    I shucked 4x 8TB WD drives. All were essentially WD Reds and HOPEFULLY CMR. But with WD these days, who knows!

    THey only cost me £94 on amazon each which was a good deal for 8TB.
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  4. #36
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    Re: WD Red HDD naming convention makes SMR choices clearer

    Quote Originally Posted by neonplanet40 View Post
    I shucked 4x 8TB WD drives. All were essentially WD Reds and HOPEFULLY CMR. But with WD these days, who knows!

    THey only cost me £94 on amazon each which was a good deal for 8TB.
    WD state that 8TB drives are all CMR, so you're good. Nice price.

    https://www.tomshardware.com/uk/news...smr-techNOLOGY

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  6. #37
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    Re: WD Red HDD naming convention makes SMR choices clearer

    I still have 6 affected drives in my 12 bay unit though. Which I'm really not happy with!
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    Re: WD Red HDD naming convention makes SMR choices clearer

    Quote Originally Posted by neonplanet40 View Post
    I still have 6 affected drives in my 12 bay unit though. Which I'm really not happy with!
    Ouch, how much data you got, I'd want that off and the drives out asap, if not asapier...

    SMR drives do have a use, but for NAS, not it...
    I take it they are too old to send back or do anything with returns wise?

  8. #39
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    Re: WD Red HDD naming convention makes SMR choices clearer

    I have too much data and couldn't afford to replace the 6 drives. All I can do is cross my fingers. WD has screwed the consumer royally and it won't be forgotten.
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  9. #40
    root Member DanceswithUnix's Avatar
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    Re: WD Red HDD naming convention makes SMR choices clearer

    Quote Originally Posted by neonplanet40 View Post
    I have too much data and couldn't afford to replace the 6 drives. All I can do is cross my fingers. WD has screwed the consumer royally and it won't be forgotten.
    Possibly. I was looking at the drive shucking videos and sites as a way to get a drive (as with so many things atm, stock seems low on drives and prices inflated) and noticed people were enthusiastic about the WD EFAX Red models because they had a 256MB cache not realising they were SMR. It does look like some of these portable drives come with an 8TB EFAX red drive which put me off getting one, I went for a Toshiba Enterprise drive in the end as N300 drives seem harder to get.

    Still, my point was that if the SMR drives were really that bad then I would have expected more complaints from people shucking drives. It is a lot of lost faith in WD though. Still, some of those shucked drives look like HGST helium drives. Damned that would be a good roll of the dice!
    Last edited by DanceswithUnix; 10-07-2020 at 09:28 AM.

  10. #41
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    Re: WD Red HDD naming convention makes SMR choices clearer

    Quote Originally Posted by DanceswithUnix View Post
    Possibly. I was looking at the drive shucking videos and sites as a way to get a drive (as with so many things atm, stock seems low on drives and prices inflated) and noticed people were enthusiastic about the WD EFAX Red models because they had a 256MB cache not realising they were SMR. It does look like some of these portable drives come with an 8TB EFAX red drive which put me off getting one, I went for a Toshiba Enterprise drive in the end as N300 drives seem harder to get.

    Still, my point was that if the SMR drives were really that bad then I would have expected more complaints from people shucking drives. It is a lot of lost faith in WD though. Still, some of those shucked drives look like HGST helium drives. Damned that would be a good roll of the dice!
    8TB EFAX drives are CMR. 6TB and under are SMR.

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  12. #42
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    Re: WD Red HDD naming convention makes SMR choices clearer

    Quote Originally Posted by Spreadie View Post
    8TB EFAX drives are CMR. 6TB and under are SMR.
    Cheers, I had a quick look but couldn't find anything that said that for certain. The 8TB retail Red CMR drive I looked wasn't an EFAX code.

  13. #43
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    Re: WD Red HDD naming convention makes SMR choices clearer

    Just for info: if you plan on buying external drives for shucking, outside of the MyCloud range everything 6TB and under will be a white labelled WD Blue. WD still don't make Blue drives in greater capacities than 6TB, so anything bigger than 6TB will likely be an EFAX or EMAZ - for all intents and purposes - white-labelled WD Reds.

    TL;DR: If you're buying externals to shuck for your NAS, don't go lower than 8TB

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  15. #44
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    Re: WD Red HDD naming convention makes SMR choices clearer

    Quote Originally Posted by DanceswithUnix View Post
    Possibly. I was looking at the drive shucking videos and sites as a way to get a drive (as with so many things atm, stock seems low on drives and prices inflated) and noticed people were enthusiastic about the WD EFAX Red models because they had a 256MB cache not realising they were SMR. It does look like some of these portable drives come with an 8TB EFAX red drive which put me off getting one, I went for a Toshiba Enterprise drive in the end as N300 drives seem harder to get.

    Still, my point was that if the SMR drives were really that bad then I would have expected more complaints from people shucking drives. It is a lot of lost faith in WD though. Still, some of those shucked drives look like HGST helium drives. Damned that would be a good roll of the dice!
    I would imagine that most people who are shucking drives for servers & NAS use cases are doing their research and buying externaldrives that are known to be CSR disks & therefore complaints would be low.

    If you buy an external drive, intending to shuck it into a server or NAS, and it turns out to be an SMR drive, either cos you didn't research or WD decided to introduce a new model, then that's tough poo and the chance you take.

    Where it's an issue I think is for for folks like me & neonplanet where we bought Reds before it was known that some were SMR and have effectively been mis-sold drives that are unsuitable for the stated & intended use case.

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    Re: WD Red HDD naming convention makes SMR choices clearer

    Quote Originally Posted by Spreadie View Post
    TL;DR: If you're buying externals to shuck for your NAS, don't go lower than 8TB
    I certainly got that impression. I was looking for a drive, and can get either a 4TB Toshiba Enterprise or a WD External 8GB drive and shuck it for the same price, and had already started ignoring the 6TB drives partly on SMR risk and partly on not being as good value.
    Twice the capacity for the same price is tempting, but in the end it would be a 5400rpm drive paired with an existing 7200rpm Toshiba drive which doesn't seem ideal. Now, if I knew I could get one of those white label 7200rpm drives...

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    Re: WD Red HDD naming convention makes SMR choices clearer

    Looking on ebuyer today still no mention that this WD Red 6TB WD60EFAX drive is using SMR technology. Headlined as Specifically designed for use in NAS systems.

    Disgraceful really isn't. I am boycotting WD drives now due to the sharp practice.

  18. #47
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    Re: WD Red HDD naming convention makes SMR choices clearer

    SMR has use cases, and these include a lot of NAS systems (if it's a one bay NAS and you're backing up over wifi, who cares about rebuilding arrays?).

    The prices they're charging for them are a different matter though - there's nothing wrong with selling SMR drives for NAS for less money than CMR, but if they're the same price as rival CMR NAS drives then it's a non-starter

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