Windows 10: Windows 2004 Parity Storage Spaces: Sudden increase in pool usage.

Discus and support Windows 2004 Parity Storage Spaces: Sudden increase in pool usage. in Windows 10 Network and Sharing to solve the problem; Hello all, After delaying updating from 1909 until the parity issue was "resolved" a few weeks ago, I allowed my computer to automatically install... Discussion in 'Windows 10 Network and Sharing' started by Chris_User, Aug 26, 2020.

  1. CHRIS_USER
    Chris_User Win User

    Windows 2004 Parity Storage Spaces: Sudden increase in pool usage.


    Hello all,


    After delaying updating from 1909 until the parity issue was "resolved" a few weeks ago, I allowed my computer to automatically install the 2004 update late last week. Since then the system has been functioning fine until today. I received a notification in the action center that Storage Spaces had an issue. Upon opening storage spaces the all-drive usage has more than doubled, despite having put no new files on the space in the past week nor have I changed any storage spaces settings. I have multiple terabytes installed on this storage space with no issues historically until now. Is anyone else having this issue or know of any troubleshooting steps? I have the storage space details shown below:



    Windows 2004 Parity Storage Spaces: Sudden increase in pool usage. 13d24fff-fe47-4a77-8782-125fc6b3cb64?upload=true.png


    Windows 2004 Parity Storage Spaces: Sudden increase in pool usage. 6d820325-a24f-4fb1-b677-c895bef4dd96?upload=true.png


    This is a Parity storage space with Bitlocker enabled, and formatted withReFS. The Pool utilization before the 2004 update was less than 50%. Since the warning below started, I ran the "upgrade pool" task which successfully completed but had no effect on the warning.



    Windows 2004 Parity Storage Spaces: Sudden increase in pool usage. 8a8c1e72-3fef-4386-93c7-f77fd33ea454?upload=true.png


    Windows 2004 Parity Storage Spaces: Sudden increase in pool usage. 8720608f-b4c2-4bfc-8c7d-216b3f0ef830?upload=true.png

    Windows 2004 Parity Storage Spaces: Sudden increase in pool usage. 89d8bf32-810b-409d-8e61-ee6b428564d9?upload=true.png


    Windows 2004 Parity Storage Spaces: Sudden increase in pool usage. c747b40d-badc-4f61-81b6-76a6b120eb68?upload=true.png

    :)
     
    Chris_User, Aug 26, 2020
    #1
  2. THREEDRIVE
    ThreeDrive Win User

    Storage Spaces Parity Win 2004 issue

    I am aware that there is a bug with Windows 10 2004 with parity storage drives. I have a pool currently disabled waiting on a confirmed upadte. Where is the best place to get news? I am in the predicament that I don't have a 100% backup and would like
    to save it.
     
    ThreeDrive, Aug 26, 2020
    #2
  3. GKNORM
    gknorm Win User
    Storage Spaces Parity Repair?

    Many thanks, muchomurka!

    - - - Updated - - -

    Unfortunately, following your suggested procedure it appears the Storage Spaces parity error persists.


    Windows 2004 Parity Storage Spaces: Sudden increase in pool usage. [​IMG]


    Any other suggestions?
     
    gknorm, Aug 26, 2020
    #3
  4. STEPHENQX
    StephenQX Win User

    Windows 2004 Parity Storage Spaces: Sudden increase in pool usage.

    Windows 10 Storage Spaces Improvements?

    Are you using 3 column parity? This is the default setting for parity spaces in the Windows 8.1 GUI. If so, this is the reason for your high overhead. 3 column single-parity incurrs a 50% storage overhead (1 parity shard for every 2 data shards)

    This makes sense for small pools containing 3 or 4 physical disks. However it is a poor choice with 14 physical disks.

    In your case I suggest a 12 column dual-parity space. This means 2 parity shards for every 10 data shards. This will allow for recovery from two drive failures and give only a 20% storage overhead.

    Unfortunately the Windows 8.1 GUI is too basic to allow creation of such a space. You need to use Powershell. You can create such a space on your existing storage pool and move data to it from your existing parity space. As you move the data your free space
    will increase.
     
    StephenQX, Aug 26, 2020
    #4
Thema:

Windows 2004 Parity Storage Spaces: Sudden increase in pool usage.

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