Backup Virtual-Hard-Disk

Easy and cheap way to backup your running Hyper-V disks. The script is using the VSS technology to allow you to backup your disk even if the VM is in use.
The script is using an individual xml configuration to allow a flexible way of doing backups

The Chilcat ActiveX component is needed for reading the configuration, please get it here

• The script has been tested on Windows 10 and Server 2016.
  
  

Syntax:

> cscript hvbackup.vbs

Note that the default configuration (hvbackup.xml) is getting loaded if no parameter is given

Alternative Syntax

> cscript hvbackup.vbs <optional configuration.xml>

Setup hvbackup.xml

• Edit hvbackup.xml

psad2ipt.xml

XML Child Element	XML Attribute	Value
SETUP	VSSPath	The VSSPath is a symbolic link to be used and created by the script to copy the data through VSS
	VSSCheck	Optional value (0 or 1) to specify if the VSS should be created on startup, it is recommended to do so.
	VSSAutomaticCreate	Set to create the create the VSSS, (0 or 1). It is recommended to do so.
	WriteLogfile	Switch on log file writing which is recommended. (0 or 1)
	LogPath	Specify the directory where the logs should get written to
	SourcePath	Specify the root directory of your VM, please note that the script recursive walks down all paths and tries to find VHDX files.
	TargetPath	Specify the target directory where you want to backup your disks.
	MinFreeDiskSpaceGB	Check the amount of free disk space on the target befoe we refuse the backup operation.
	DataRetention	Amount of disks which we keep on the target
	RemoveVSSOnExit	Specify (0 or 1) to remove the VSS once the backup operation has been completed, recommend to do so.
Filter (Array)	String	Any alphanumeric string to search for disk names
	Type	The type of filter, this can be include or exclude

Example

<?xml version="1.0"?>
<CONFIG>
 <Setup>
     <VSSPath>c:\$vss$</VSSPath>
     <VSSCheck>1</VSSCheck>
     <VSSAutomaticCreate>1</VSSAutomaticCreate>
     <WriteLogfile>1</WriteLogfile>
     <LogPath>c:\logs</LogPath>
     <SourcePath>c:\virtual-machines</SourcePath>
     <TargetPath>\\myTargetServer\Backup\</TargetPath>
     <MinFreeDiskSpaceGB>50</MinFreeDiskSpaceGB>
     <DataRetention>3</DataRetention>
     <RemoveVSSOnExit>1</RemoveVSSOnExit>
 </Setup>

 <Filters>
  <Filter>
   <String>vm-anyname</String>  
   <Type>include</Type>  
  </Filter>
 
  <Filter>
   <String>another disk name</String>  
   <Type>include</Type>  
  </Filter>

  <Filter>
   <String>one more disk name</String>  
   <Type>include</Type>  
  </Filter>

  <Filter>
   <String>exclude this disk</String>  
   <Type>exclude</Type>  
  </Filter>

  <Filter>
   <String>exclude another disk name</String>  
   <Type>exclude</Type>  
  </Filter>

 </Filters>
</CONFIG>

Download

Download the script