How to Expand a VMware vSphere Virtual Disk in 14 Simple Steps
This guide walks you through the complete process of enlarging a virtual machine's hard disk in VMware vSphere, from powering off the VM and opening the client to confirming the new storage size and verifying the successful expansion.
Before expanding a virtual machine, make sure it is powered off.
1. Open the VMware vSphere Client and log in.
2. Select the virtual machine you want to expand, e.g., master01 .
3. Open the Resource Allocation tab and click Edit .
4. In the hardware list, select Hard disk 1 and click Add .
5. After clicking Add , a new dialog appears.
6. Choose Hard Disk and click Next .
7. Select Create a new virtual disk and click Next .
8. Set the desired disk size (e.g., 50 GB) and click Next .
9. Keep the advanced options at their defaults and click Next .
10. Click Finish to complete the disk creation.
11. A confirmation window shows the disk is being added; click Confirm .
12. After the operation, another dialog appears; click Confirm again.
13. Edit the VM settings once more; you will now see Hard disk 2 , indicating the new disk was added successfully.
14. Open the VM’s Summary tab to verify that the storage capacity has increased.
The virtual disk expansion is now complete.
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