samsung 970 PRO 1 TB deleting over-provisioning problem

Discussion in '2015+ Alienware 13 / 15 / 17' started by c69k, Jul 11, 2019.

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  1. c69k

    c69k Notebook Deity

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    >>>>SOLVED<<<<<<

    Hi,

    I have had 30% overprovisioning on my 1 TB Samsung 970 PRO for some time through Samsung Magician.
    Yesterday I needed some extra space and shrank the overprovisioning from 30% to 1%.

    However, after this, my total volume seen in Windows is still 667Gb as it was with 30% overprovisioning (should be now about 950 Gb).

    I am unable to adjust or delete overprovisioned disk space and it disappeared from Samsung Magician 'blue bar' as in pic. below. Normally overprovisioning (percentage) is shown there.

    I tried to adjust OP with older versions of Magician, and also Disk management which is unable to shrink the volume.

    Does anyone have idea what is going on?

    I Googled for 3 hours, but have no success with finding a solution.
    Please can anyone help? Any information is appreciated.

    (I tried older versions of Samsung Magician, enabling defrag. service, sfc /scannow, dism commands, disabling pagefile)

    Thank you in advance.

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    Last edited: Jul 12, 2019
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  2. c69k

    c69k Notebook Deity

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    I got it sorted!!! Thanx to everyone for reading the above mess!!

    What I did:

    Installed AOMEI Partition Assistant Standard, split the affected incorrectly sized 667GB boot/primary partition into 2 smaller partitions (impossible to do through Windows disk management throwing 'error parameter used').

    After system re-start needed by the AOMEI program the sum of both freshly created partitions were correctly 950Gb.

    Then I merged the two partitions with the same program, auto-restart, and got my whole 950GB capacity back.

    I am not sure what caused all this mess, but this time I wil not use or play with Samsung Magician overprovisioning.

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    Last edited: Jul 12, 2019
  3. iunlock

    iunlock 7980XE @ 5.4GHz

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    Great stuff. Glad that you've got it all sorted. I'm also using the same 1TB 970 PRO as my main OS. Awesome drive...
     
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