Once you have expanded an underlying disk in a virtual machine, you still need to expand the disk in the guest. If, like me, you see logging on to a server as an admission of failure, you need a way of scripting it remotely. Here is a function for doing that. You may want to adjust the “includes” to match your possible drive letters.
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| Function Invoke-RemoteVolumeExpand | |
| { | |
| Param | |
| ( | |
| $Server | |
| ) | |
| Function Invoke-VolumeExpand | |
| { | |
| $Include = "C|W|D|E|F" | |
| $Partitions = Get-Partition | Where-Object {$_.DriveLetter -Match $Include} | |
| Foreach ($Partition in $Partitions) | |
| { | |
| $Type = $Partition.Type | |
| $Letter = $Partition.DriveLetter | |
| If ($Type -eq "Basic") | |
| { | |
| $Size = $Partition | Get-PartitionSupportedSize | |
| $MaxSize = $Size.sizeMax | |
| $MinSize = $Size.sizeMin | |
| If ($MaxSize -ne $MinSize) | |
| { | |
| Try | |
| { | |
| Write-Output "$Server Expanding $Letter to $MaxSize" | |
| $Partition | Resize-Partition -size $MaxSize -ErrorAction SilentlyContinue | |
| } | |
| Catch | |
| { | |
| Write-Output "$Server No further expansion possible for $Letter" | |
| } | |
| } | |
| } | |
| } | |
| } | |
| Invoke-Command -ComputerName $Server -ScriptBlock ${Function:Invoke-VolumeExpand} | |
| } |