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Reclaim Used Space with VMKFSTOOLS - Punchzero

 

$ vmkfstools -K CentOS.vmdk

$ vmkfstools --punchzero CentOS.vmdk

# Get real size of DiskFile:

$ du -ah CentOS-flat.vmdk


Refs:

https://buildvirtual.net/reclaim-used-space-with-vmkfstools-punchzero/

https://rasanegar.com/blog/how-to-reclaim-freeup-thin-disk-in-esxi/

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