[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.

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howtos:emulators:kvm_libvirt_qemu_quirks_tips_etc [2023/11/05 20:49 (UTC)] – [QEMU QCOW2 freed virtual disk space doesn't shrink image] zeebrahowtos:emulators:kvm_libvirt_qemu_quirks_tips_etc [2023/11/05 20:50 (UTC)] (current) – [QEMU QCOW2 freed virtual disk space doesn't shrink image] zeebra
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 3. Shut down the virtual machine 3. Shut down the virtual machine
  
-4. You can use the convert image function to basically move the current image into a new image (convert from qcow2 to qcow2), and it will reflect the actual size of content (disregard zeroes)+4. You can use the convert image function to basically move the current image into a new image (convert from qcow2 to qcow2), and it will reflect the actual size of content (throw away zeroes). In a terminal:
 <code> <code>
 qemu-img convert -O qcow2 oldimage.qcow2 newimage.qcow2 qemu-img convert -O qcow2 oldimage.qcow2 newimage.qcow2
 howtos:emulators:kvm_libvirt_qemu_quirks_tips_etc ()