VMware OS Disk Partition Size

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VMware ESXi 7.0+ tends to create a 120GB+ partition for the 'OS' data and this is ridiculous on a system with say, 256GB of storage.

To reduce this usage at install time:

  1. When the installer loads go to boot options by pressing SHIFT+O
  2. Add the following option to the existing command: autoPartitionOSDataSize=8192 (to set a maximum partition size of 8GB)
  3. Press enter to boot

Perform the installation as normal and the automatic partitioner will create a 8GB partition for the OS (of which ~60% will be used during install)

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