qemu-img convert -f raw -O qcow2 manage manage.qcow2
qcow2 轉 VMDisk
qemu-img convert -f qcow2 -O vmdk zimbra9-ubuntu18.04 zimbra9-ubuntu18.04.vmdk
熱擴展磁碟
sudo virsh blockresize <vm_name> <disk_path> <size_in_bytes>
qemu-img resize /kvm/win10 +20G
qemu-img info /kvm/win10
[sudo] password for jameschang:
image: /kvm/win10
file format: qcow2
virtual size: 40 GiB (42949672960 bytes)
disk size: 39.8 GiB
cluster_size: 65536
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: true
refcount bits: 16
corrupt: false
extended l2: false
擴展完記得
# ext4
resize2fs /dev/vda2
使用 qemu-img 進行磁碟縮容
sudo qemu-img resize /var/lib/libvirt/images/develop-pg-node-01.qcow2 60G