document-haness/docs/virtualization/final/assets/diagrams/qcow2-mapping-clusters/qcow2-mapping-clusters.drawio

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        <mxCell id="1" parent="0"/>
        <mxCell id="n_guest-offset" value="Guest offset&lt;br/&gt;virtual disk position" tooltip="게스트가 읽으려는 가상 디스크 위치. | Evidence: L14317-L14325" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
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        <mxCell id="n_l1" value="L1 table&lt;br/&gt;상위 비트" tooltip="필요한 L2 표가 있는 클러스터 위치를 찾는다. | Evidence: L14312-L14337" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
          <mxGeometry x="411.0" y="196.0" width="150.0" height="71.0" as="geometry"/>
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        <mxCell id="n_l2" value="L2 entry&lt;br/&gt;중간 13비트" tooltip="현재 qcow2 데이터 클러스터 오프셋을 가지거나 0일 수 있다. | Evidence: L14320-L14347" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;strokeColor=#2563eb;strokeWidth=2;" vertex="1" parent="1">
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        <mxCell id="n_backing" value="base.qcow2&lt;br/&gt;backing file" tooltip="L2 항목이 0이고 backing file이 있을 때 같은 가상 위치를 읽는 바닥 파일. | Evidence: L14343-L14354" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;shape=cylinder3;boundedLbl=1;backgroundOutline=1;fillColor=#eef6fb;" vertex="1" parent="1">
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        <mxCell id="n_local-cluster" value="현재 qcow2 data cluster" tooltip="L2 값이 있을 때 같은 qcow2 파일 안에서 읽는 데이터 클러스터. | Evidence: L14267-L14272, L14343-L14345" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;shape=cylinder3;boundedLbl=1;backgroundOutline=1;fillColor=#eef6fb;" vertex="1" parent="1">
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        <mxCell id="n_zero-fill" value="zero-filled 64KB" tooltip="L2 항목이 0이고 backing file도 없을 때 만들어 반환하는 0 데이터. | Evidence: L14343-L14347" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
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        <mxCell id="e_l1-l2" value="L2 cluster" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_l1" target="n_l2">
          <mxGeometry relative="1" as="geometry">
            <mxPoint x="641.0" y="203.5" as="offset"/>
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        <mxCell id="e_l2-backing" value="0 + backing" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_l2" target="n_backing">
          <mxGeometry relative="1" as="geometry">
            <mxPoint x="982.8" y="154.5" as="offset"/>
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        <mxCell id="e_l2-local" value="mapped" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_l2" target="n_local-cluster">
          <mxGeometry relative="1" as="geometry">
            <mxPoint x="975.0" y="233.2" as="offset"/>
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        <mxCell id="e_l2-zero" value="0 + no backing" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_l2" target="n_zero-fill">
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            <mxPoint x="982.8" y="310.2" as="offset"/>
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        <mxCell id="e_offset-l1" value="상위 비트" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_guest-offset" target="n_l1">
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            <mxPoint x="331.0" y="203.5" as="offset"/>
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