修改虚拟机镜像大小(qcow2/raw resize)
创建一个镜像文件，大小1G
taw
[email protected] /tmp $ qemu-img create -f raw t.raw 1G Formatting ‘t.raw‘, fmt=raw size=1073741824 [email protected] /tmp $ qemu-img info t.raw image: t.raw file format: raw virtual size: 1.0G (1073741824 bytes) disk size: 1.0M
qcow2
[email protected] /tmp $ qemu-img create -f qcow2 t.qcow2 1G Formatting ‘t.qcow2‘, fmt=qcow2 size=1073741824 encryption=off cluster_size=0
查看镜像文件实际占用空间
[email protected] /tmp $ ls -alh t.qcow2 -rw-r--r-- 1 muxueqz muxueqz 193K 8月 31 13:18 t.qcow2
查看qcow2信息
[email protected] /tmp $ qemu-img info t.qcow2 image: t.qcow2 file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 136K cluster_size: 65536
加1G(resize +)
[email protected] /tmp $ qemu-img resize t.qcow2 +1G Image resized.