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Weird extra 2TB disk on 4TB drive

post #1 of 7
Thread Starter 
Hello forum.


So interesting one here.....

I have a WD black 4TB which I've had for a while now no issues.


However when I plug it into a freecom HDD enclosure it shows as 4TB +2TB non initialized disk ..




When I plug it into another external HDD dock or my machine this does not show.

However the Freecome HDD enclosure works fine with other disks so not sure whats going on here ?



Any input would be great biggrin.gif
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Shadownet
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post #2 of 7
Thread Starter 
Anyone ?


Or any ideas on getting more info ?
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Shadownet
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post #3 of 7
I honestly don't know much about this, but if I were to wager a guess it would be that this drive may have originally been a 6 TB HDD that didn't make it through QC and they turned it into a 4 TB HDD. Just a wild guess though. Honestly not sure if that is even possible though.
post #4 of 7
Thread Starter 
That did pop to my mind however I've never seen it ever appear to show this extra 2TB apart from in this one HDD enclosure.


Might try take the data off and then partition the extra 2TB and see what happens
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Shadownet
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post #5 of 7
Quote:
Originally Posted by kaistledine View Post

That did pop to my mind however I've never seen it ever appear to show this extra 2TB apart from in this one HDD enclosure.


Might try take the data off and then partition the extra 2TB and see what happens

Yes, science it! nerdsmiley.png
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post #6 of 7
I think the maximum size for usb attached storage is 4TB due to a specification of the usb mass storage (class). USB attached drives can be accessed by windows like drives attached to SATA with the raw commands passed thru. I think this then imposes a limit of how many blocks can be accessed or something like that. A different enclosure with more hardware may let you attach the 6TB via USB, but may then be accessed in a different way by windows (windows might have to talk to the driver for that enclosure or sometihng).
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post #7 of 7
Thread Starter 
It seems to be splitting the 4tb into 2 disks with this hdd enclosure

1 x 2tb + 1 x 1.6TB




Dont have the spare space to take all the data off and see what happens but got a weird feeling its just the drive split in 2 rather than any weird manufacturing error.
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