How to increase speed vm - get get-opinion

Hello

I am new to PowerCLI.

I use the following script to get the VM inventory:

$outputFileVM = "D:\PowerShell_scripts\Inventory.csv".

$VMReport = @)

Get - vm | name sort | %{

$VM = get-view $_.ID

$row = "" | Select-Object VM_Name, VM_Host, VM_Host_Model, VM_Memory, VM_vCpu, VM_CpuLimit, VM_CpuShares

$row. VM_Name = $VM. Config.Name

$row. VM_Host = Get-VMHost - VM $_

$row. VM_Host_Model = Get-VMHost - VM $_. Get-View | % {$_. Hardware.SystemInfo.Model}

$row. VM_Memory = $VM. Config.Hardware.memoryMB

$row. VM_vCpu = $VM. Config.Hardware.numCPU

$row. VM_CpuLimit = $VM. Config.CpuAllocation.Limit

$row. VM_CpuShares = $VM. Config.CpuAllocation.Shares.Shares

$VMReport += $row

}

$VMReport | Export-Csv $outputFileVM - NoTypeInformation

This script runs very slowly. I read something about how to increase the speed by using get - view - viewType. But I do not know how to use for refactory this script.

Can someone help me?

Thank you.

Eduard.

To continue improvements LucD and him do run very fast, make use of get - view "-property" parameter and specify the properties of the VirtualMachine or ESX host that should be retrieved. "." This prevents all the properties that you are not interested in the use of be recovered and accelerating greatly from your code. In other words, replace your call to "Get - VM" with this:

  Get-View -ViewType VirtualMachine -Property Name,Runtime.Host,Config.Hardware,Config.CpuAllocation

because you are only interested in the Name, Runtime.Host, Config.Hardware and Config.CpuAllocation of VirtualMachine properties. Replace your call to "Get-VMHost' in a similar way.

$outputFileVM = 'D:\PowerShell_scripts\Inventory.csv'
$VMReport = @()
Get-View -ViewType VirtualMachine -Property Name,Runtime.Host,Config.Hardware,Config.CpuAllocation | Sort-Object -Property Name | %{
     $row = "" | Select-Object VM_Name, VM_Host, VM_Host_Model, VM_Memory, VM_vCpu, VM_CpuLimit, VM_CpuShares
     $row.VM_Name = $_.Name
     $esx = Get-View $_.Runtime.Host -Property Name,Hardware.SystemInfo.Model
     $row.VM_Host = $esx.Name
     $row.VM_Host_Model = $esx.Hardware.SystemInfo.Model
     $row.VM_Memory = $_.Config.Hardware.memoryMB
     $row.VM_vCpu = $_.Config.Hardware.numCPU
     $row.VM_CpuLimit = $_.Config.CpuAllocation.Limit
     $row.VM_CpuShares = $_.Config.CpuAllocation.Shares.Shares
     $VMReport += $row
}
$VMReport | Export-Csv $outputFileVM -NoTypeInformation

For more details on this, you can go to: http://www.vmdev.info/?p=125

Thank you

Keshav

Tags: VMware

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