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Resize a VMWare disk

21 January 2009 at 5:47 PM

To resize a VMWare disk there is an easy way: VMWare vCenter Converter. Unfortunately a linux version is not available. Additionally, this process seems to be very slow and at the end VMWare Tools needs to be re-installed.

So here a manual procedure:

• turn off the virtual machine
• remove all snapshots (or revert to one)
• run
  
  vmware-vdiskmanager -x {size} {disk}
  
  where
  {size} is the new size of the disk (for example 8GB) and
  {disk} is the full path of the file .vmdk.

This procedure only expands the disk and not the partition. If the virtual disk is partitioned, you will need to use a third-party utility to resize the expanded partitions (Partition Magic, GParted Live CD, Paragon Partition Manager). If you are using the Windows DiskPart utility, it can only extend data volumes; if you use the DiskPart utility to extend a system or boot volume, you may get an error.

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Entry Filed under: vmware