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Stefan Hajnoczi authored
The qemu-img info --backing-chain option enumerates the backing file chain. For example, for base.qcow2 <- snap1.qcow2 <- snap2.qcow2 the output becomes: $ qemu-img info --backing-chain snap2.qcow2 image: snap2.qcow2 file format: qcow2 virtual size: 100M (104857600 bytes) disk size: 196K cluster_size: 65536 backing file: snap1.qcow2 backing file format: qcow2 image: snap1.qcow2 file format: qcow2 virtual size: 100M (104857600 bytes) disk size: 196K cluster_size: 65536 backing file: base.qcow2 backing file format: qcow2 image: base.qcow2 file format: qcow2 virtual size: 100M (104857600 bytes) disk size: 136K cluster_size: 65536 Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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