Optimal code to retrieve all the virtual machines in a ResourcePool
Hi all
What is optimum (fastest) encode during extraction of all virtual machines in a Resource Pool?
I have this:
$myVMs = get - vm | where {$_.} ResourcePool - eq "MYRP"}
[1]
Is this actually retrieve ALL virtual machines first and then filter on the second resource pool (in which case it would be 'slow')?
I also have this:
$myRP = get-resourcepool "MYRP".
$myRP.extensiondata.vm
This generates the MoRef VM.
[2]
How do I use get - view then pull only information on those specific MoRefs and has this method might be considerably better than the get - vm method detailed above?
Notice-EEG - viewtype property VirtualMachine MoRef does not work
Kind regards
marc0
Hi Marco,.
(1) Yes, this call will be all first retrieve all virtual machines and then filter on the resource pool property.
I suggest using the following call which retrieves only the virtual machines in the desired resource pool. This will give you better performance:
$resourcePool = get-ResourcePool "MYRP".
Get-VM-location $resourcePool
# Or you can use this:
Get-VM-location "MYRP".
(2) you can use Get-View to retrieve objects by MoRef like this:
$vmViews = get-view-Id $myRP.extensiondata.vm
# If you need VM objects rather than their point of view, then you must also do the following:
$vms = $vmViews | Get-VIObjectByVIView
Kind regards
Dimitar
Tags: VMware
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