Windows 10: Windows 10 storage spaces issue

Discus and support Windows 10 storage spaces issue in Windows 10 Support to solve the problem; I have an issue where windows keeps telling me I don't have enough space to download some files. In explorer it is showing nearly 50% free space on... Discussion in 'Windows 10 Support' started by Westindieman, Dec 23, 2016.

  1. Windows 10 storage spaces issue


    I have an issue where windows keeps telling me I don't have enough space to download some files. In explorer it is showing nearly 50% free space on drive D. However in storage spaces (this is a 2 way mirror pool with 3 drives) this is showing nearly full. I have optimized to see if this would
    correct but the issue still persists.
    Can anyone help with a suggestion please?


    Windows 10 storage spaces issue [​IMG]


    :)
     
    Westindieman, Dec 23, 2016
    #1

  2. Windows Storage Spaces Capacity Issue

    Hi,

    For more information about Storage Spaces, you may refer to this article:
    Storage Spaces Frequently Asked Questions (FAQ)
    .

    And also, for in depth support regarding your concern, you can post your question on
    Microsoft TechNet forums,
    where we have support professionals who are well equipped with the knowledge on such issues.

    For other queries and concerns, feel free to post back.
     
    Marque Lor, Dec 23, 2016
    #2
  3. Windows Storage Spaces Capacity Issue

    I have an issue with Windows Storage Spaces. I have roughly 6.5TB worth of data. I have a Storage Space with 4 drives in a 2-way mirror. This is my ‘F’ drive. 2 of the drives are 2TB. 2 drives are 5TB. Windows reports this as 9.27TB. Windows is reporting
    2TB free. Storage is reporting space is full on the F drive. Storage Spaces is correct and Windows is confused because 2 way mirror with 4 drives/different capacities.

    So I was playing around with Storage Spaces and expanded the ‘drive’ from 9 to 12TB. This was an error and will come to haunt me later. I realize now you cannot reduce the storage size. I am not sure why I did this but Storage Spaces on the F drive now
    wants more drives for more capacity. Most likely to meet my unwanted 12TB expansion.

    I then had an idea. I will just build a new Storage Space with a 6.5TB worth of capacity. So I went ahead and brought 3 4TB drives. This should in theory give 7 – 8TB. So installed these drives. Then I attempted to create a new 8TB – ‘K’ drive. Then
    I would assign these 3 new drives just to this Storage Space. Then copy my data over from the F to the K drive. This all worked out nicely in my head.

    I attempted to do the above and Storage Space Creation failed at an 8TB creation of the Space. Probably because it does not have nearly enough space because – I expanded the F drive from earlier, even if everything is thin provisioned.

    So I said maybe if I just create a Storage Space – K and then expand the capacity of this Space it will work. This is not working either. So now I have a 9.7 but really 12TB – F Storage Space. Then a 2TB K drive – I cannot expand.

    I realize now when you add disks to Storage Spaces you cannot assign the drive to ‘X’ Storage Space. All disks basically become party of the ‘pool’. So these drives basically appear to belong to both the F and K Storage Spaces.

    So what are my options?

    • Backup the data on the F drive. (I use Veeam – and my backup is an 8TB external drive) Destroy both the F and K drive. Then start over and use parity. Restore the data back to the new storage space. This is probably the easiest option but my data only
      exists in 1 spot locally. (I also backup my data to the cloud)
    • Create a RAID – hardware or software with these 3 new drives. Copy the data over to this new RAID – K drive. Destroy the F drive from Storage Space. Recreate the ‘F’ drive using parity from Storage Spaces. I will have plenty of capacity – between 9
      – 10TB. Then copy the data over from the RAID – K drive back to the F drive. This plan would work to just lots of time and riskier with moving this much data multiple times.
    • The reason I am posting here… someone knows more about Storage Spaces than I do and can offer a different/better solution.
    Thanks.
     
    OctopusTwo, Dec 23, 2016
    #3
  4. Plankton Win User

    Windows 10 storage spaces issue

    I had to look that up...LOL. I see that windows 10 has it own built in software RAID....Looks pretty cool and simple.

    Can you post the entire windows for each....need to see what it all is showing.

    Have you tried this: Microsoft finally fixes Storage Spaces, adds rebalancing command!
    Furthermore; have you tried the old way as mentioned in the article: or hot-remove drives from two/three way mirrors and have them reintroduced
     
    Plankton, Dec 23, 2016
    #4
  5. Not sure what you mean post the entire Windows for each, it just shows as one drive D. I have pictured the contents and drive properties below.


    Windows 10 storage spaces issue [​IMG]


    The drives are already showing as balanced as you can see they are each about 97% used each and they are all the same size. I had recently transferred all my files to some portable drives and deleted the pool due to some other issues then recreated it then moved the files back.
    Actually I think I stored some files on one of these drives then recreated the Windows as I don't know how to use the shell.
     
    Westindieman, Dec 23, 2016
    #5
  6. valihrach Win User
    If you have 3x1.8TB storage pool (5.4TB total capacity), you can create fully provisioned two-way mirror of maximum data capacity 2.7TB (half of full capacity). So your drive D: (5.4TB two-way mirror) is strongly under-provisioned, that's why you cannot write more data to it. Of course, you can add another disks to your storage space; or you can delete it and create Parity storage space (very slow writes but 3.6TB data capacity in your 5.4TB storage pool on three disks).
     
    valihrach, Dec 23, 2016
    #6
  7. Of course! That makes sense. Wouldn't it make sense also for Windows to display free space available to write to also? Will be looking to add another drive pronto.
     
    Westindieman, Dec 23, 2016
    #7
  8. valihrach Win User

    Windows 10 storage spaces issue

    In doubt if you can add only one disk to your existing mirror; probably two ones are necessary (new mirror can be re-created on four disks, but it means with data loss). You can test it in vmwareplayer/hyperv virtual machine.
     
    valihrach, Apr 4, 2018
    #8
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