Re: CPU over commitment Report

Connect-VIServer"vc.com"

# Get a list of hosts in a specific cluster (omit the get-cluster to get all hosts, and just use get-vmhost)

$hosts=get-cluster"MYCLUSTER"|Get-VMHost

# Define an empty table

$table=@()

# Loop through each host found

foreach($vmhostin$hosts){

    # Create an empty row

    $row=""|Select-Object Hostname, LogicalCPUs, CPUsAssigned, CPUOvercommited, MemoryGB, MemoryAssignedGB, MemoryOvercomitted

    # Add the hostname to the row

    $row.Hostname=(($vmhost.name).split("."))[0]

    # Add the number of logical CPUs to the row

    $row.LogicalCPUs=($vmhost.numcpu|Measure-Object-Sum).Sum

    # Get the number of vCPUs assigned

    $row.CPUsAssigned=($vmhost|Get-VM|Where-Object{$_.powerstate-eq"poweredon"}|Measure-Object-Property numcpu -Sum).Sum

    if($row.CPUsAssigned-eq$null){

        $row.CPUsAssigned=0

    }

    # Get the CPU overcommitment level as a percentage

    $perc=[int](($row.CPUsAssigned/$row.LogicalCPUs)*100)

    # Warn if CPU overcommitted

    if($perc-gt100){

        $row.CPUOvercommited="YES - "+$perc+"%"

    }

    else{

        $row.CPUOvercommited="No"

    }

    # Add the available memory to the row

    $row.MemoryGB=[math]::Round(($vmhost.MemoryTotalGB|Measure-Object-Sum).Sum,1)

    # Get the memory assigned

    $row.MemoryAssignedGB=($vmhost|Get-VM|Where-Object{$_.powerstate-eq"poweredon"}|Measure-Object-Property MemoryGB -Sum).Sum

    if($row.MemoryAssignedGB-eq$null){

        $row.MemoryAssignedGB=0

    }

    # Get the memory overcommitment level as a percentage

    $perc=[int](($row.MemoryAssignedGB/$row.MemoryGB)*100)

    # Warn if memory overcommitted

    if($perc-gt100){

        $row.MemoryOvercomitted="YES - "+$perc+"%"

    }

    else{

        $row.MemoryOvercomitted="No"

    }

    # Add the current row to the table

    $table=$table+$row

}

# Save the table to CSV

$table|Export-Csv-Path .\report.csv -NoTypeInformation -UseCulture