OVSS.ps1
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<#PSScriptInfo .VERSION 1.31 .GUID 5c5fd85c-d2c9-4cc4-9fa4-42f214c2ba5c .AUTHOR Jonathan E. Brickman .COMPANYNAME Ponderworthy Music .COPYRIGHT (c) 2018 Jonathan E. Brickman .TAGS .LICENSEURI .PROJECTURI .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES .PRIVATEDATA #> <# .DESCRIPTION OVSS - optimizes VSS preallocation to 20% for each NTFS volume, and clears orphan shadows #> Param() ################################# # Optimize VSS # # # # v1.31 by Jonathan E. Brickman # # # # Removes all orphan shadows, # # and then preallocates 20% # # of each drive volume for VSS # # as many different tools' docs # # advise. # ################################# "" "OVSS: Optimize VSS" "v1.0" "" # Self-elevate if not already elevated. if (([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) { "Running elevated; good." "" } else { "Not running as elevated. Starting elevated shell." Start-Process powershell -WorkingDirectory $PSScriptRoot -Verb runAs -ArgumentList "-noprofile -noexit -file $PSCommandPath" return "Done. This one will now exit." "" } # Remove orphan shadows. "Removing orphan shadows..." "" $out = (iex -Command 'vssadmin delete shadows /all /quiet') "" # Get list of VSS-related volumes, and run the appropriate command on each. # This includes all volumes which are VSS-aware, whether or not they have # drive letters. $VSSVolumesData = (vssadmin list volumes) ForEach ($DataLine in $VSSVolumesData) { If ((-join $DataLine[0..12]) -eq "Volume path: ") { $VolumeID = (-join $DataLine[13..60]) "Setting VSS preallocation to 20% for: " + $VolumeID "" If (((Get-WmiObject Win32_OperatingSystem).Caption) -match "Server") { $out = (iex -Command ('vssadmin add shadowstorage /For="' + $VolumeID + '" /On="' + $VolumeID + '" /MaxSize=20%')) $out = (iex -Command ('vssadmin resize shadowstorage /For="' + $VolumeID + '" /On="' + $VolumeID + '" /MaxSize=20%')) } Else { $out = (iex -Command ('vssadmin resize shadowstorage /For="' + $VolumeID + '" /On="' + $VolumeID + '" /MaxSize=20%')) } "" } } |