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Get-SCPerformanceData could not get the Host NetworkIOSent and StorageIOPSUsage performance RRS feed

  • 问题

  • I am collecting the Host performance data.

    I have three strange questions.

    Question 1: Get NetworkIOReceived performance with duplicate timesample

    PS C:\> Get-SCPerformanceData -VMHost "DC12" -PerformanceCounter "NetworkIOReceived" -Timeframe "Hour"
    
    
    Name               :
    PerformanceHistory : {0, 9304057, 0, 82144...}
    TimeFrame          : Hour
    PerformanceCounter : NetworkIOReceived
    Scope              :
    TimeSamples        : {2020/11/11 9:25:22, 2020/11/11 9:25:22, 2020/11/11 9:34:15, 2020/11/11 9:34:15...}
    ServerConnection   : Microsoft.SystemCenter.VirtualMachineManager.Remoting.ServerConnection
    ID                 : 63e85ab2-c866-4db2-b71a-731e6e51c465
    IsViewOnly         : False
    ObjectType         : None
    MarkedForDeletion  : False
    IsFullyCached      : True
    

    When I checked the timesample ,I found there is duplicate timesample with different value.

    why there is two value with same timesample?

    Question 2: Get empty NetworkIOSent performance

    PS C:\> Get-SCPerformanceData -VMHost "DC12" -PerformanceCounter "NetworkIOSent" -Timeframe "Hour"
    
    
    Name               :
    PerformanceHistory : {}
    TimeFrame          : Hour
    PerformanceCounter : NetworkIOSent
    Scope              :
    TimeSamples        : {}
    ServerConnection   : Microsoft.SystemCenter.VirtualMachineManager.Remoting.ServerConnection
    ID                 : 30bb32aa-3259-43cd-bb6e-47aaa866a716
    IsViewOnly         : False
    ObjectType         : None
    MarkedForDeletion  : False
    IsFullyCached      : True
    Question 3: Get empty StorageIOPSUsage performance

    PS C:\> Get-SCPerformanceData -VMHost "DC12" -PerformanceCounter "StorageIOPSUsage" -Timeframe "Hour"
    
    
    Name               :
    PerformanceHistory : {}
    TimeFrame          : Hour
    PerformanceCounter : StorageIOPSUsage
    Scope              :
    TimeSamples        : {}
    ServerConnection   : Microsoft.SystemCenter.VirtualMachineManager.Remoting.ServerConnection
    ID                 : 63a38b80-943a-4f25-9444-3106848e72a3
    IsViewOnly         : False
    ObjectType         : None
    MarkedForDeletion  : False
    IsFullyCached      : True

    Could anyone help me out.

    2020年11月12日 10:45