Windows 10: Cannot access Storage Space

  1.    21 Aug 2018 #1

    Cannot access Storage Space


    I've created a problem with Storage Spaces by changing the drive letter in Windows 10. This has caused a Storage Spaces error, and I can no longer see the Storage space in File Explorer.

    Disk Management shows the drive as unallocated.

    I now have the following situation. The 2 drives in the storage space are the ones shown as 931.5GB (or Disk 4 in the Management image). (it was originally set up as 10Tb but only 2 x 2tb physical disks initially)

    Click image for larger version. 

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    Click image for larger version. 

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ID:	200307

    Any suggestions as to whether I can correct this. Thanks

    Colin
      My ComputerSystem Spec

  2.    3 Weeks Ago #2

    Does no one have any suggestions?
      My ComputerSystem Spec

  3.    3 Weeks Ago #3

    One of your External physical disk is in Split state which means it is out-of-sync; furthermore, your virtual disk has no redundancy (is JBOD similar). This is likely why the virtual disk is seen as Not Initialized.

    But there is one chance: if you recently performed Feature Upgrade to higher version (1803), downgrading to previous OS version may revive seemingly dead volume. See thread How do I recover/repair my storage space? Solved - Windows 10 Forums for more info.

    Otherwise, copy output of the following command here:
    Code:
    get-storagepool -isprimordial 0 | get-volume
    Screenshot of full Storage Spaces applet can be helpful too.

    Btw. creating JBOD-like array over external disks is very poor idea because they can be too easily disconnected. And out-of-sync error at physical disk level likely is not caused by assigning drive letter to volume.

    Little chance to data recovery.
    Last edited by muchomurka; 3 Weeks Ago at 21:43.
      My ComputerSystem Spec

  4.    3 Weeks Ago #4

    Thanks for the reply. I'll read the link and have a look later, as soon as I get the chance.
      My ComputerSystem Spec

  5.    2 Weeks Ago #5

    Hi thanks,

    I have not had time to try a roll back, I'll need to set aside a bit of time for that.

    In the meantime, I have enclosed a screen shot of the storage space error
    Click image for larger version. 

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    Also tried the "get" command with no success. I just get the command line returned again

    Click image for larger version. 

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ID:	202529

    The other comments, are appreciated. Thanks.

    Colin
      My ComputerSystem Spec

  6.    2 Weeks Ago #6

    Maybe JBOD volume is inaccessible because physical disk with essential volume metadata is in Split status:
    WD Ext ... OK
    WD 10E ... Split

    You can try following:
    1. shutdown your comp
    2. disconnect disk with status OK (WD Ext)
    3. power on your comp; status of disk WD 10E should change from Split to OK
    4. connect disk WD Ext again
    5. check Storage Spaces, Disk Management and File Explorer, at least some data may be accessible
    6. paste results here

    If it does not help, try to "downgrade" OS (make image using Reflect for reverting to current version, install older version, check your Storage Space). After that, only some data recovery company can help..
      My ComputerSystem Spec

  7.    2 Weeks Ago #7

    Thanks again. I'm away from home for approx. 10 days, but when I get back I'll try the suggestions and report bck for others to see as well.

    Thanks again


    Colin
      My ComputerSystem Spec

  8.    1 Week Ago #8

    I've tried as you suggest, with no luck. However Doing so leads me to blieve there may be an issue with the power supply for on of the disks (the faulty one obviously).

    I'm now speaking to Western Digital to investigate further.

    Thanks again
      My ComputerSystem Spec


 

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