雜七雜八的小筆記!

[root@CentOS ~]# qemu-img info CentOS.qcow2
image: CentOS.qcow2
file format: qcow2
virtual size: 20G (21474836480 bytes)
disk size: 4.0G
cluster_size: 65536
Format specific information:
    compat: 0.10

[root@CentOS ~]# qemu-img resize CentOS.qcow2 +80G
Image resized.

[root@CentOS ~]# qemu-img info CentOS.qcow2
image: CentOS.qcow2
file format: qcow2
virtual size: 100G (107374182400 bytes)
disk size: 4.0G
cluster_size: 65536
Format specific information:
    compat: 0.10