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Thread: 10TB hard drive

  1. #1
    Storage? I am Storage! Bozo's Avatar
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    10TB hard drive

    Bozo

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    Not really a Hairy Aussie
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    Merc beat you buy 3 minutes though his title is a bit more riddle like...

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    Learning Storage Performance Newtun's Avatar
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    • ("The message you have entered is too short. Please lengthen your message to at least 1 characters." error box in previewing post without this sentence.)

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    NVIDIA> AMD Fixture Handruin's Avatar
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    Quote Originally Posted by Newtun View Post
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    Makes me happy such that 8TB and 6TB PMR drives come down in price sooner...hopefully.

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    Fatwah on Western Digital Fixture Mercutio's Avatar
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    Did they ever address the issue with inconvenient screw placement on the Helium drives? IIRC there's no middle screw, which can make mounting the drives a PITA.

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    Storage Is My Life jtr1962's Avatar
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    What about the problem with drives floating away? Did they add some ballast to prevent that?
    We shall turn you into gas and pour you into the stratosphere. Nothing will remain of you, not a name in a register, not a memory in a living brain. You will be annihilated in the past as well as in the future. You will never have existed.
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    Storage? I am Storage! Buck's Avatar
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    As a data recording technology for hard drives, PMR is already 10 years old. So far, SMR is not a suitable replacement for PMR; hopefully, HAMR will be. Interestingly, SMR seems like the true MR technology that begs to be a hybrid. Considering data is written in bands or blocks like an SSD (SMR also implements TRIM), I can see SMR hybrids producing the performance we expect from a HDD without the SMR write performance pitfall. With hard drive manufactures having better access to NAND flash (e.g. WD buying SanDisk), hopefully we'll see more hybrid implementations that give us better HDD performance (certainly it won't be SSD speeds) with the ever-increasing capacity we expect from spinning MR technology.
    Do wat du wolt, die Lut snakt doch.

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    I can't believe I'm a Fixture LunarMist's Avatar
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    Quote Originally Posted by jtr1962 View Post
    What about the problem with drives floating away? Did they add some ballast to prevent that?
    Yeah, it's those seven heavy platters. The mean density of the drive is still far more than air.
    --Lunar

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    I can't believe I'm a Fixture LunarMist's Avatar
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    Quote Originally Posted by Buck View Post
    As a data recording technology for hard drives, PMR is already 10 years old. So far, SMR is not a suitable replacement for PMR; hopefully, HAMR will be. Interestingly, SMR seems like the true MR technology that begs to be a hybrid. Considering data is written in bands or blocks like an SSD (SMR also implements TRIM), I can see SMR hybrids producing the performance we expect from a HDD without the SMR write performance pitfall. With hard drive manufactures having better access to NAND flash (e.g. WD buying SanDisk), hopefully we'll see more hybrid implementations that give us better HDD performance (certainly it won't be SSD speeds) with the ever-increasing capacity we expect from spinning MR technology.
    Meh. I tried that SMR and it is for the birds. SSD caching will not be any good except for the small area paralleled by the SSD. If you are copying say 8TB to a 10TB shingled drive, the increase in speed will only make it appear that the first part is going faster. The Apples have had the SSD caching for years.
    --Lunar

  10. #10
    Fatwah on Western Digital Fixture Mercutio's Avatar
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    SMR seems fine for its intended purpose. Even two or three 8TB drives are cheaper than an LTO changer and work really well for infrequently accessed, near-line storage. Don't use it for anything time-sensitive and it's pretty good.

  11. #11
    I can't believe I'm a Fixture LunarMist's Avatar
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    The MTBF of the 8TB Seagate is rather low (800K). Are there any issues with reading only? I assume that would not affect the drive life much.
    --Lunar

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    Learning Storage Performance DrunkenBastard's Avatar
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    Which Seagate 8TB? IIRC the Enterprise Capacity model is 2.5 million and 550 TB per year?

    Edit to bump 1.2 to 2.5

  13. #13
    I can't believe I'm a Fixture LunarMist's Avatar
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    I meant the archive drive with shingles.
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  14. #14
    Learning Storage Performance DrunkenBastard's Avatar
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    Quote Originally Posted by DrunkenBastard View Post
    Which Seagate 8TB? IIRC the Enterprise Capacity model is 2.5 million and 550 TB per year?

    Edit to bump 1.2 to 2.5
    So something interesting has happened, Seagate releasing Enterprise Capacity drives with the above specs but with 1 and 2 TB capacity, few platters and no helium. Depending on the pricing this could be the way to go for reliability without the premium pricing of the 8 and 10 TB models.

    http://www.theregister.co.uk/2017/01...tor_throwback/

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