PowerCLI - VM manipulation

How to get vCPU count of all powered on VMs of particular ESX host

Get-VMHost -Name HostName | get-vm | Where {$_.PowerState -eq "PoweredOn"} | Measure-Object -Property NumCpu -Sum | select -ExpandProperty Sum

How to get count of all powered on VMs of particular ESX host

$a = Get-VMHost -Name HostName | get-vm | Where {$_.PowerState -eq "PoweredOn"} | select NumCpu; $a.count

How to get summary of VM snapshot size

$vms = get-vm; foreach ($vm in $vms) {$snap = get-vm -Name $vm.Name | Get-Snapshot | Measure-Object -Property SizeGB -Sum | Select Name -ExpandProperty Sum; if ($snap -gt 0) {$vm.Name, $snap}}

Get Canonical Name and Capacity of all Raw Devices (RDM) attached to each VM in the cluster

foreach ($v in $(get-cluster -Name Cluster Name | Get-VM)) {$v.Name; Get-VM -Name $v.Name | Get-HardDisk -DiskType RawPhysical | select ScsiCanonicalName,CapacityGB}