Qemu-img info

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qemu-img[1] info IMAGE_NAME 

 $ qemu-img info test.vmdk 
 (VMDK) image open: flags=0x2 filename=test.vmdk
 image: test.vmdk
 file format: vmdk
 virtual size: 20M (20971520 bytes)
 disk size: 17M

 $ qemu-img info image-qcow.qcow2
 image: image-qcow.qcow2
 file format: qcow2
 virtual size: 10G (10737418240 bytes)
 disk size: 136K
 cluster_size: 65536

 $ qemu-img info MY_image-qcow.qcow2
 image: MY_image-qcow.qcow2
 file format: qcow2
 virtual size: 20G (21474836480 bytes)
 disk size: 7.5G
 cluster_size: 65536
 Format specific information:
    compat: 1.1
    lazy refcounts: true
    refcount bits: 16
    corrupt: false

Notes:

  • Encrypted information will be available only if the image is encrypted (The use of encryption in qcow and qcow2 images is considered to be flawed by modern cryptography standards)
  • Snapshot list: A list of all internal snapshots

See also

  1. ↑ https://manpages.debian.org/testing/qemu-utils/qemu-img.1.en.html#OPTIONS
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