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Trigger VMWare snapshot from within Virtual Machine.

Posted on 2014-01-31
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Last Modified: 2014-02-04
I have an automated process that runs in a VMWare virtualised environment - this basically takes a vanilla windows os and installs a number of features / software (which takes a long time).

What I was wondering is if there is a way I can trigger a VM snapshot from within the virtual machine operating system I am upgrading so I can capture key states. Currently I do this manually but this involves me watching the installations which is time consuming. If there was some command I could run that could trigger this it would save me a lot of time!
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Question by:Blowfelt82
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Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 39823761
Yes, this is possible, you can use the PowerCLI, and PowerShell to create a snapshot from within the VM.

I would recommend using the following, also VMware recommends the use of PowerCLI, which is PowerShell interface with vSphere-specific additions.

http://communities.vmware.com/community/vmtn/server/vsphere/automationtools/powercli

One of the simplest PowerCLI examples, and something which is actually extremely useful on its own, is the Get-VM cmdlet. Which lists VMs.

PowerCLI can be a bit overwhelming to use,  But it can be enhanced with a nice toolset and a library of preconfigured scripts to jump-start your mass changes, which is possible with PowerGUI

http://powergui.org/index.jspa

Get-VM | New-Snapshot -Name ”Target-Snapshot”

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different command

New-Snapshot –Name “Target-Snapshot” –VM myVM

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