![]() The actual used space is 380 MB as du reports. ![]() I did an screenshot of virt-manager and terminal oposed opinions on "size" of the disk image. This is the size perceived from the guest OS and the one reported by virt-manager (the GUI). It creates a "domain" and starts the vm with the disk, but instead of 10 GB, it shows it as 2.2 GB. Instead, I had to remove all partitions and recreate. ![]() As my partition layout included a swap partition, I couldn't use the growpart command to resize it. I resized the image that uses the base image as backing file using the same command as in 1. For example: qemu-img convert -O qcow2 myimage.raw myimage. I resized the base image using qemu-img resize vmdisk.qcow 30G. The qcow2 image will only allocate disk as it is needed (sparse). Problem > However, this doesn't work as expected. 2 Answers Sorted by: 1 I think you need to convert your raw image to qcow2 using qemu-img. This system is a complete fire RMS (Records Management System) that allows fire departments to go paperless for data collection and incident reporting. disk path=/path/to/cloud-init.img,device=cdrom \ disk path=/path/to/bionic-server-cloudimg-amd64.img,format=qcow2,bus=virtio,size=10 \ The command that I tried to do what I want, using Ubuntu cloud images: virt-install \ qemu-img resize howto The Correct Way To Resize In Place qemu-img resize kvmuserwindows2008dcetest.img +1G Image resized. What I forgot to mention : virtual disks grow dynamically, thats why the file size you currently see is 21 GB. In this case the command would be sudo qemu-img resize /virt1/.qcow2 +195G.Actually, from the virt-install manpages it looks like one could do something like -import -disk path=/home/user/my_os.img,size=10 and it would make sure available storage for guest OS is 10 GB. As a little hint : You say the disks are in /virt1, which means most probably the right disk is there. It's ok for me, but I find it troublesome that I can't set the maximum size of the image, that one the guest OS perceives from inside.Įxplored way > I learnt how to resize a qemu image with qemu-img and the gparted live cd, but I'm sure there's an easier way. However, using libvirt and qemu with qcow2 images such as one of debian cloud, the process I have found does not separate the working disk image from the downloaded or template one, using "import from existing image". The gparted live cd only helps resizing the partitions inside you VM. Back then, the UI would guide me to choosing a "template" ISO image for the OS, and creating a separate VDI storage file without modifying the "template" image. Before you use gparted for resizing partitions inside a vm, you have to do the image file resizing either with qemu-img resize or virt-resize as was already suggested above. ![]() I am using qemu/kvm with libvirt and have used VirtualBox in the past. Context > I am a bit confused about disk images and their installation. ![]()
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