VMware 4817V62 - vSphere - PC Administration Manual page 164

vSphere Basic System Administration
Determine the Disk Format of a Virtual Machine
You can determine whether your virtual disk is in thick or thin format.
Procedure
1 Select the virtual machine in the inventory.
2 Click Edit Settings to display the Virtual Machine Properties dialog box.
3 Click the Hardware tab and select the appropriate hard disk in the Hardware list.
The Disk Provisioning section on the right shows the type of your virtual disk, either Thin or Thick.
4 Click OK.
What to do next
If your virtual disk is in the thin format, you can inflate it to its full size.
Convert a Virtual Disk from Thin to Thick
If you created a virtual disk in the thin format, you can convert it to thick.
Procedure
1 Select the virtual machine in the inventory.
2 Click the Summary tab and, under Resources, double-click the datastore for the virtual machine to open
the Datastore Browser dialog box.
3 Click the virtual machine folder to find the virtual disk file you want to convert. The file has the
extension.
4 Right-click the virtual disk file and select Inflate.
The virtual disk in thick format occupies the entire datastore space originally provisioned to it.
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