Windows 10: Windows Storage Spaces issue "Using 10.2 TB of 14.5 TB pool capacity"

Discus and support Windows Storage Spaces issue "Using 10.2 TB of 14.5 TB pool capacity" in Windows 10 Ask Insider to solve the problem; [ATTACH] submitted by /u/Raglesnarf [link] [comments]... Discussion in 'Windows 10 Ask Insider' started by /u/Raglesnarf, Aug 4, 2020.

  1. /U/RAGLESNARF
    /u/Raglesnarf Win User

    Windows Storage Spaces issue "Using 10.2 TB of 14.5 TB pool capacity"

    /u/Raglesnarf, Aug 4, 2020
    #1
  2. TRICKYRICKY1
    trickyricky1 Win User

    Storage Spaces capacity error

    Hi,

    I am using Storage spaces in Raid 5 (parity).

    Storages spaces is telling me that my capacity is full and I need to add more drives. However, in 'This Pc' (my computer) it is telling me I still have over 7.5 tb available?

    I have checked the data in my pool and it confirms that i should still have 7.5tb available.

    Why is storages spaces telling me otherwise? Is it wrong? Is it malfunctioning? Have I done something wrong?? Can i correct this???

    Details:

    OS - Windows 10 Pro 64-bit

    8x 3tb WD Green harddrives (data) - Raid 5 (parity)

    1x 120gb Kingston SSD (OS)

    Storage spaces indicating:

    Pool capacity 21.8 tb

    Using 21.5 tb

    This Pc indicating:

    Capacity 21.7 tb

    Used 14.2 tb

    Free 7.51 tb

    I have checked the size of the data in the pool and it is matches with what 'This Pc' is reporting. Why is Storage spaces saying otherwise?

    Please help!

    Much appreciated! Windows Storage Spaces issue "Using 10.2 TB of 14.5 TB pool capacity" :)
     
    trickyricky1, Aug 4, 2020
    #2
  3. DAVE
    Dave Win User
    Understanding Storage Spaces capacity descriptions

    I have a Storage Spaces array in Windows 10 consisting of 7 SATA HDDs ranging from 3TB -> 8TB each (-edit- for completeness, those drive capacities are: {3, 4, 4, 4, 4, 8, 8}).

    I'm trying to understand the Storage Spaces capacity values, shown below:


    Windows Storage Spaces issue "Using 10.2 TB of 14.5 TB pool capacity" IuI6y.png


    The section above the drive Name & Letter makes sense in isolation:

    • 15 TB
      • defined size, with thin provisioning allowing it to exceed actual
        available capacity
    • Using 14.6 TB pool capacity
      • the actual available configured capacity

    And the 31.8 TB "Total pool capacity" makes complete sense as the sum of the actual disk capacity from each drive.

    But...

    1. Why is only 14.6 available?
      • I've defined my size as 15 TB
      • It says I have 17.2 TB available
    2. What's the relationship here of the 22.5 TB "Including resiliency"?
    3. What is my actual real max configurable usable capacity?
      • I expected to have around 20 TB (66% of 32) - so I'm guessing it's actually only 17.2, but then see question #1
     
    Dave, Aug 4, 2020
    #3
  4. TRICKYRICKY1
    trickyricky1 Win User

    Windows Storage Spaces issue "Using 10.2 TB of 14.5 TB pool capacity"

    Storage Spaces capacity error

    Hi,

    I have 8 x 3 TB drives (24 TB total)

    Using a raid 5 calculator that should give me 21 TB of usable space.

    There is 14 TB of data in the pool. But storage spaces is saying the pool is full?

    Please help x
     
    trickyricky1, Aug 4, 2020
    #4
Thema:

Windows Storage Spaces issue "Using 10.2 TB of 14.5 TB pool capacity"

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