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Virtual disk size can be increased while a virtual machine is running. Some conditions must be met before you resize a virtual disk and the partitions on that disk.
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With VMware virtualization software providing flexible options to configure virtual hardware such as CPU, memory, and disk devices, you can extend the size of an existing virtual disk. Insufficient disk space on a system partition degrades performance. Later, as you’re working, you realize that performance is suffering because there’s not enough disk space. Let’s imagine this scenario: you’ve created a virtual disk, created partitions, and installed a guest operating system on one of the partitions on that virtual disk. By Michael Bose Increasing the Size of a Disk Partition: A How-to Guide
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