VMware ESXi convert Thick to Thin Provisioned Drives

Before converting the VMDK file power off the VM and remove from inventory.

ssh to the esx server that you store the VM server that needs conversion

Go to /vmfs/volumes/YourStore/YourVMlocation

and run the below command to convert the HDD

vmkfstools -i ThickHDD.vmdk ThinHDD.vmdk -d ‘thin’ -a lsilogic

When is done add the VM again on the ESX server and remove the Thickhdd.vmdk and add the new Thinhdd.vmdk

Power on the VM.

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