How do I resize a VM in KVM?

How To extend/increase KVM Virtual Machine (VM) disk size

  1. Step 1: Shut down the Virtual Machine on KVM. Before you can extend your guest machine Virtual disk, you need to first shut it down.
  2. Step 2: Extend your KVM guest OS disk. Locate your guest OS disk path.
  3. Step 3: Extend guest VM disk.
  4. Step 4: Grow VM partition.

How do I shrink a KVM disk image?

How to reduce the size of KVM QCOW2 images that grow out of hand

  1. Free up any space in the disk from within the VM.
  2. Shutdown the VM.
  3. Backup the disk image that you want to reduce(Optional, if have a lot of faith in Unix commands that you never heard about before )
  4. from the directory where your image is stored call:

How do I reduce the size of a virtual machine disk?

After logging into the VM, launch the Disk Management utility by typing msc in the search bar. 3. Right-click the disk volume you would like to shrink, and select the Shrink Volume option.

How do I increase the size of my qcow2 disk?

Resize qcow2 Image with virt-resize

  1. Step 2: Shutdown Your VM.
  2. Step 3: Take the Backup of qcow2 image.
  3. Step 4: Create a Raw Image using qemu-img command.
  4. Step 5: Resize Original qcow2 using virt-resize command.
  5. Step 6: Start Virtual Machine using virsh command.

How do I resize qemu disk?

Show activity on this post.

  1. stop the VM.
  2. run qemu-img resize vmdisk.img +10G to increase image size by 10Gb.
  3. start the VM, resize the partitions and LVM structure within it normally.

How do I change partition size in Linux?

To resize a partition:

  1. Select an unmounted partition. See the section called “Selecting a Partition”.
  2. Choose: Partition → Resize/Move. The application displays the Resize/Move /path-to-partition dialog.
  3. Adjust the size of the partition.
  4. Specify the alignment of the partition.
  5. Click Resize/Move.

How do I resize a qemu disk image?

Due to the design of qcow2 images, you don’t even need to have the disk space available right away.

  1. Shut down the virtual machine.
  2. Resize the image with qemu-img resize image.qcow2 +SIZE. where SIZE is the size (e.g. 10G for 10 gibibytes).
  3. Boot into an external live OS and resize the partition.

Can we reduce the VMDK size?

To reduce the VMDK disk from 80 to 40 GB, we have to specify 83886080 in the Extent description section. Set the new size of the virtual disk using a text editor. From the down arrow key, go to the line containing the disk size. Specify the new size, save the changes and close the file.

How do I increase partition size in Ubuntu dual boot?

From within the “trial Ubuntu”, use GParted to add the additional space, that you unallocated in Windows, to your Ubuntu partition. Identify the partition, right click, hit Resize/Move, and drag the slider to take up the unallocated space. Then just hit the green checkmark to apply the operation.