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Server 2016 with two nodes + failover cluster manager RRS feed

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    Hi All,

    Hoping someone can assist. We've got two physical servers running 2016 running running a failover cluster manager environment. Each server has the following hard disks installed.

    6 x 600GB 15k SAS on storage controller 1

    2 x 600GB 15k SAS (mirrored as used by host OS) on storage controller 2

    4 x 960GB SSDs on storage controller 2

    We've got one storage pool presented to failover cluster manager and then running two CSV's. One of the CSVs was running out of space therefore we decided to install an additional 2 x 960SSDs on each server to provision more space.

    When we check the storage pool I can see it says 2.18TB of free space. When I go to extend the CSV's with the assumption I've got 2.18TB of free space, I cannot increase the size of the CSV by that amount - at the moment the only amount I can extend it by is 50GB which is not making a lot of sense to me. Why? I've already optimized the storage pool with little effect. I've also rescanned the the storage pool again with little effect.

    Please see below some outputs:

    PS C:\> get-storagesubsystem clu* | get-storagehealthreport
    CPUUsageAverage                 :     8.86 %
    CapacityPhysicalPooledAvailable :     2.18 TB
    CapacityPhysicalPooledTotal     :     20.3 TB
    CapacityPhysicalTotal           :     20.3 TB
    CapacityPhysicalUnpooled        :        0 B
    CapacityVolumesAvailable        :   556.78 GB
    CapacityVolumesTotal            :     4.84 TB
    IOLatencyAverage                :   185.59 us
    IOLatencyRead                   :   142.95 us
    IOLatencyWrite                  :     1.29 ms
    IOPSRead                        : 14455.62 /S
    IOPSTotal                       : 15014.48 /S
    IOPSWrite                       :   558.86 /S
    IOThroughputRead                :     1.29 MB/S
    IOThroughputTotal               :     9.31 MB/S
    IOThroughputWrite               :     8.02 MB/S
    MemoryAvailable                 :   109.15 GB
    MemoryTotal                     :      384 GB


    PS C:\> get-physicaldisk

    FriendlyName      SerialNumber      CanPool OperationalStatus HealthStatus Usage            Size
    ------------      ------------      ------- ----------------- ------------ -----            ----
    HP EH0600JDYTL    0XKAN7LP          False   OK                Healthy      Auto-Select 558.91 GB
    ATA VK000960GWTHB SJ95N7459I0205T5G False   OK                Healthy      Auto-Select 894.25 GB
    HP EH0600JDYTL    0XKAU4WP          False   OK                Healthy      Auto-Select 558.75 GB
    ATA MK0960GECQK   S1JANWAG604139    False   OK                Healthy      Journal     894.25 GB
    HP EH0600JDYTL    0XKARTBP          False   OK                Healthy      Auto-Select 558.75 GB
    HP EH0600JDYTL    0XKARPTP          False   OK                Healthy      Auto-Select 558.75 GB
    HP EH0600JDYTL    0XKAPW3P          False   OK                Healthy      Auto-Select 558.75 GB
    ATA MK0960GECQK   S1JANYAG703607    False   OK                Healthy      Journal     894.25 GB
    HP EH0600JDYTL    0XKAU93P          False   OK                Healthy      Auto-Select 558.75 GB
    HP EH0600JDYTL    0XK86KTR          False   OK                Healthy      Auto-Select 558.75 GB
    ATA MK0960GECQK   S1JANYAG703371    False   OK                Healthy      Journal     894.25 GB
    HP EH0600JDYTL    0XK86KPR          False   OK                Healthy      Auto-Select 558.75 GB
    HP EH0600JDYTL    0XK86JMR          False   OK                Healthy      Auto-Select 558.75 GB
    ATA MK0960GECQK   S1JANYAG703392    False   OK                Healthy      Journal     894.25 GB
    HP EH0600JDYTL    0XKAU0NP          False   OK                Healthy      Auto-Select 558.75 GB
    HP EH0600JDYTL    0XKAL58P          False   OK                Healthy      Auto-Select 558.75 GB
    ATA VK000960GWTHB SJ95N7459I0205T42 False   OK                Healthy      Journal     894.25 GB
    HP EH0600JDYTL    0XKAU4BP          False   OK                Healthy      Auto-Select 558.75 GB
    ATA VK000960GWTHB SS95N4482I0105T60 False   OK                Healthy      Auto-Select 894.25 GB
    ATA MK0960GECQK   S1JANYAG703466    False   OK                Healthy      Journal     894.25 GB
    HP EH0600JDYTL    0XKAN6UP          False   OK                Healthy      Auto-Select 558.75 GB
    HP EH0600JDYTL    0XK86K5R          False   OK                Healthy      Auto-Select 558.75 GB
    HP EH0600JDYTL    0XKAV1XP          False   OK                Healthy      Auto-Select 558.75 GB
    HP EH0600JDYTL    0XKAD0WP          False   OK                Healthy      Auto-Select 558.75 GB
    ATA VK000960GWTHB SJ95N7459I0205T0U False   OK                Healthy      Journal     894.25 GB
    ATA MK0960GECQK   S1JANYAG703401    False   OK                Healthy      Journal     894.25 GB
    ATA MK0960GECQK   S1JANYAG703326    False   OK                Healthy      Journal     894.25 GB
    ATA MK0960GECQK   S1JANYAG703421    False   OK                Healthy      Journal     894.25 GB
    HP EH0600JDYTL    0XKA663P          False   OK                Healthy      Auto-Select 558.75 GB
    HP EH0600JDYTL    0XKAR03P          False   OK                Healthy      Auto-Select 558.75 GB
    HP EH0600JDYTL    0XKAV1LP          False   OK                Healthy      Auto-Select 558.75 GB

    PS C:\> Get-StoragePool

    FriendlyName          OperationalStatus HealthStatus IsPrimordial IsReadOnly
    ------------          ----------------- ------------ ------------ ----------
    Primordial            OK                Healthy      True         False
    Primordial            OK                Healthy      True         False
    S2D on print-cluster1 OK                Healthy      False        False

    PS C:\> .\show-prettypool.ps1

    Volume Filesystem Capacity Used Resiliency   Size (Mirror) Size (Parity) Footprint Efficiency
    ------ ---------- -------- ---- ----------   ------------- ------------- --------- ----------
    CSV-01 ReFS       2TB      96%  2-Way Mirror 2TB           0             5TB       50%
    CSV-02 ReFS       2TB      84%  2-Way Mirror 2TB           0             5TB       50%

    Can someone please explain and recommend a solution here as I need to be able to used those new SSDs to increase the space on the CSV.



    Sunday, July 12, 2020 2:00 AM

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    Sorry made a typo - the disks in the server are (before adding the new SSDs)

    8 x 600GB 15k SAS on storage controller 1

    2 x 600GB 15k SAS (mirrored as used by host OS) on storage controller 2

    4 x 960GB SSDs on storage controller 2

    In the output above, the disks labelled "ATA VK000960GWTHB" are the new ones.

    Sunday, July 12, 2020 2:10 AM
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    anyone know what I can do regarding the above?
    Monday, July 13, 2020 1:57 AM
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    Hi Viral Duglo,

    Please refer to the following articles, check if it could work:

    https://docs.microsoft.com/en-us/windows-server/storage/storage-spaces/resize-volumes

    https://charbelnemnom.com/2016/12/how-to-expand-and-resize-storage-spaces-direct-csv-volume-ws2016-hyperv-s2d/

    (Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information.)

    Best Regards,

    Anne

    This "High Availability (Clustering)" Forum will be migrating to a new home on Microsoft Q&A, please refer to this sticky post for more details. 

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    Tuesday, July 14, 2020 7:46 AM
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    Hi Anne,

    Looks like that won't work for me for some reason. See my outputs below (same commands run as that link).

    FriendlyName OperationalStatus HealthStatus Size(GB) FootPrintOnPool(GB)
------------ ----------------- ------------ -------- -------------------
CSV-01       OK                Healthy          2552              5104.5
CSV-02       OK                Healthy          2400              4800.5

    PS C:\> Get-StorageSubSystem *Cluster* | Get-StorageHealthReport
CPUUsageAverage                 :  13.42 %
CapacityPhysicalPooledAvailable :   2.18 TB
CapacityPhysicalPooledTotal     :   20.3 TB
CapacityPhysicalTotal           :   20.3 TB
CapacityPhysicalUnpooled        :      0 B
CapacityVolumesAvailable        : 550.47 GB
CapacityVolumesTotal            :   4.84 TB
IOLatencyAverage                : 670.82 us
IOLatencyRead                   :  77.51 us
IOLatencyWrite                  :   1.39 ms
IOPSRead                        :  81.04 /S
IOPSTotal                       : 147.82 /S
IOPSWrite                       :  66.79 /S
IOThroughputRead                : 324.16 KB/S
IOThroughputTotal               :   1.03 MB/S
IOThroughputWrite               : 730.31 KB/S
MemoryAvailable                 : 102.48 GB
MemoryTotal                     :    384 GB

    TierSizeMax(TB)
---------------
      0.0546875


    So there it is only shows 0.05TB free. When I attempt to extend an existing CSV or I try to create a brand new one, I cannot do more than 0.05TB. However, CapacityPhysicalPooledAvailable tells me I have 2.18TB free according to the GUI In Server Manager.

    I'm not sure why this is the case?

    Tuesday, July 14, 2020 8:39 AM
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    Hi Viral Duglo,

    Thanks for your feedback. According to your information, I did some research, however due to some limits, I didn't get much process. So, I'd suggest you open a case with MS, so that you may get more professional support.

    If you agree, below is the link:

    https://support.microsoft.com/en-us/gp/customer-service-phone-numbers

    Thanks for your time!

    Best Regards,

    Anne

    This "High Availability (Clustering)" Forum will be migrating to a new home on Microsoft Q&A, please refer to this sticky post for more details. 

    "High Availability (Clustering)" forum will be migrating to a new home on Microsoft Q&A!

    We invite you to post new questions in the "High Availability (Clustering)"  forum's new home on Microsoft Q&A!

    For more information, please refer to the sticky post.
    Thursday, July 23, 2020 3:08 AM