External 6Tb Hard drive is now 1.5Tb!

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  1. Posts : 9,880
    Windows 10 Home 64bit Version 21H2
       #21

    That is right. One would normally expect it to be one eighth of 6TB that is 750GB. Here it is just one fourth. We don't know how the drive translation is done in this case. Reason why I said in "all probability ". There are many unknown things still. If it works we will say "ye! it worked" If it does not work, well "there are many unknown things still"

    Edit: Part failure of the drive translation circuit might cause this divide by four instead of the normal divide by eight. Just a thought.
    Last edited by jumanji; 15 Jul 2020 at 10:10.
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  2. Posts : 4,071
    Windows 7 HP 64 - Windows 10 Pro - Lubuntu
       #22

    Delete everything on the drive and format as NTFS
    Code:
    diskpart
    list disk
    select disk # <- replace # with the disk number of the drive
    clean <- this will erase the drive
    convert mbr
    create part pri
    format fs=ntfs quick
    assign
    exit
    exit
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  3. Posts : 9,880
    Windows 10 Home 64bit Version 21H2
       #23

    If the OP is going to put the disk into the Desktop and try to initialise it as MBR and format it, he may also open an elevated command prompt and run fsutil fsinfo ntfsinfo <drive letter> as given in the Microsoft article on "AF Disk Comaptibility"https://docs.microsoft.com/en-us/win...ibility-update and post a screenshot. ( OP should put the actual drive letter of the disk in < drive letter >)
    That will let us know whether it is indeed a 512e AF disk.
    Sample screenshot :
    External 6Tb Hard drive is now 1.5Tb!-15-07-2020-20-55-47.jpg

    @Megahertz, I have added an Edit note to my last post.

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  4. Posts : 396
    Windows 11 Pro 64-bit, Version 22H2 (OS Build 22621.1
    Thread Starter
       #24

    Thank you for all your suggestions.
    Today has been a very busy day for me & unfortunately, I have not had time to further trouble shoot using your suggestions. Please for give me.
    I have contacted Seagate & have sent the hard drive back for warranty exchange. Even if the full capacity of the drive was restored I would not have confidence that the drive would remain stable. My 3 year warranty is set to expire on August 18th so I deemed it necessary to act now.
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  5. Posts : 4,071
    Windows 7 HP 64 - Windows 10 Pro - Lubuntu
       #25

    GARoss said:
    I have contacted Seagate & have sent the hard drive back for warranty exchange. Even if the full capacity of the drive was restored I would not have confidence that the drive would remain stable. My 3 year warranty is set to expire on August 18th so I deemed it necessary to act now.
    Good decision GARoss
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  6. Posts : 5,827
    Win 11 Pro (x64) 21H2
       #26

    Megahertz said:
    HDD are very sensitive to shocks, specially a 7200 rpm, 3.5" HDD that was made to be installed into a desktop case.
    Did you do a check disk? (chkdsk x: /scan)
    A 'bump" isn't going to knock 4.5 TB off the drive. Its either going to work all the way or not work none of the way.
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  7. Posts : 524
    Windows 10 Pro
       #27

    Get a WD next time.
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  8. Posts : 9,880
    Windows 10 Home 64bit Version 21H2
       #28

    Yes @GARoss,

    It is always better to get the drive exchanged, instead of breaking our heads trying to decipher what has happened and setting it right if possible.

    When you do get a new drive , please put it inside the desktop , take a screenshot of Windows Disk Management and post. You may also run fsutil fsinfo ntfsinfo <drive letter> from an elevated command prompt and post the screeenshot . That should tell us about the characteristics of the disk more clearly. Also check and tell us whether it comes formatted as an MBR drive or GPT drive.

    As far as your miniStack, I have seen that 1.5TB is mentioned in this
    webpage NewerTech(R) : Storage : miniStack(R) Classic on "Using a hard drive that's 1.5TB or larger?"

    External 6Tb Hard drive is now 1.5Tb!-16-07-2020-07-12-55.jpg

    In view of all these special procedures/limitations?, I may advise that you use a standard external enclosure instead of this miniStack, if you want to use large capacity drives for your data backup/Storage. You may also note that these proprietory contraptions are geared more to Mac rather than Windows PC.

    Note: As for the older versions of miniStack like v 2.5, the largest available capacity was 1.5TB . NewerTech 1.5TB miniStack v2.5 7200RPM FW400 & USB... at MacSales.com So there was definitely a limitation of 1.5TB in those. Only the later versions like classic had extended capacity upto 6TB but with the abovesaid requirements spelt for capacities larger than 1.5TB.
    Last edited by jumanji; 16 Jul 2020 at 03:31.
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