![]() This does not consume host storage right away but allows the guest to grow the size up to the new limit. The QCOW2 image can be resized to be larger. The compression is done one-time when triggered from the settings page. Note that when the disk image is used data will not be written back compressed. This does the same thing as “reclaim space” (re-coverts to QCOW2) but additionally the data is zstd compressed. After running TRIM, shut down the VM and reclaim space from the drive’s settings page to free up the host space. On Linux, the fstrim can be used to force a TRIM command. Then, make sure the guest mounts the drive TRIM-aware. ![]() For the best result, first make sure the drive is mounted on a supported interface and the guest operating system supports TRIM. Reclaim SpaceĪ re-conversion to QCOW2 is performed and any zeros in the file will be released, freeing up host space. All these options are experimental and you should back up your virtual machine before using them. When any of these options are used on a raw image or a non-QCOW2 format image, the image will be converted to QCOW2. Name the shortcut > set the keyboard and grid > navigate to “Advanced” to personalize the screen edges and borders.On macOS, when you select a non-removable drive, you have additional options to resize and compress the drive image.
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