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有善始者实繁,能克终者盖寡。

qcow2磁盘动态扩容

作者:Chancel Yang, 创建:2022-08-08, 字数:518, 已阅:133, 最后更新:2024-03-10

kvm虚拟了一个64G的Windows10,日积月累发现空间不足了,使用qemu-img给虚拟机扩容增加64G,如下

Bash
sudo qemu-img resize Windows10.qcow2 +64G

查看磁盘信息

Bash
➜  images sudo qemu-img info Windows10.qcow2       
image: Windows10.qcow2
file format: qcow2
virtual size: 128G (137438953472 bytes)
disk size: 61G
cluster_size: 65536
Format specific information:
    compat: 1.1
    lazy refcounts: true
    refcount bits: 16
    corrupt: false

打开Windows10,按win+x后按k进入磁盘管理,选择C盘进行扩展卷,扩展后如下


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