15 lines
518 B
Plaintext
15 lines
518 B
Plaintext
%% virtqueue 뒤 QEMU block backend의 세 형태
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%% question: Guest /dev/vda 요청이 VM boundary를 넘은 뒤 QEMU에서 qcow2, RAW, Host block device 중 어느 backend로 이어지는가
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flowchart LR
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n0[("/dev/vda")]
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n1["virtio-blk · virtqueue"]
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n2["QEMU block backend"]
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n3[("qcow2 file")]
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n4[("RAW file")]
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n5[("Host block device")]
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n0 -->|"block I/O"| n1
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n1 -->|"VM boundary"| n2
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n2 -->|"qcow2 backend"| n3
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n2 -->|"RAW backend"| n4
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n2 -->|"block-device backend"| n5
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