Posts Tagged ‘Shrink’

VMware: Shrink (OS) volume size using VMware Converter

July 19th, 2012 4 comments

Lots of VMware / Windows administrators can extend virtual disks on-the-fly in a few seconds, but what is the easiest way to shrink a / the (OS) volume?

In this post I’ll show a (simple) method how-to shrink the system disk size from a virtual machine from 60 to 40 GB.



In all cases, confirm the following before shrink the size of the virtual disk:

  • All snapshots have been removed;
  • The virtual machine is powered off;


Install VMware Converter and connect you’re vCenter server running that specific virtual machine

– Start the VMware Converter by clicking “Convert machine”;
– Select source server (virtual machine on vSphere host);
– Select destination server (same vSphere host, new VM name);
– Select target datastore;- Options: select “Data to copy” and press Edit;


^ you can see the source volume (60 GB) and used space (23,45 GB)

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Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.

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