94 lines
6.3 KiB
XML
94 lines
6.3 KiB
XML
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<defs>
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<style>
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.bg { fill: #f7f8fc; }
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.title { font: 700 34px -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif; fill: #1d2736; }
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.panelTitle { font: 700 24px -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif; fill: #17212e; }
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.boxTitle { font: 700 18px -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif; fill: #1e2a39; }
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.boxText { font: 500 14px -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif; fill: #556273; }
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.tech { font: 600 13px -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif; fill: #3d6fd6; }
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.foot { font: 600 13px -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif; fill: #7a8796; }
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<rect class="bg" x="0" y="0" width="1600" height="980"/>
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<text class="title" x="70" y="70">容灾保活两种部署模式</text>
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<text class="sub" x="70" y="104">系统同时支持“单云 + 单 Mac 备用控制器”和“双云热备 / 温备”，按成本与可用性选择。</text>
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<rect class="panel" x="60" y="140" width="710" height="760"/>
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<text class="panelTitle" x="90" y="190">模式 A：单云 + 单 Mac 备用控制器</text>
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<text class="panelSub" x="90" y="220">更省云成本，适合已有常开 Mac 的现场环境。</text>
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<rect class="boxBlue" x="100" y="270" width="250" height="150"/>
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<text class="boxTitle" x="126" y="305">Cloud A（主用）</text>
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<text class="boxText" x="126" y="338">控制面单体</text>
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<text class="boxText" x="126" y="364">PostgreSQL 主库 + pgvector</text>
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<text class="boxText" x="126" y="390">HTTP + SSE</text>
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<rect class="boxGreen" x="420" y="270" width="290" height="180"/>
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<text class="boxTitle" x="446" y="305">Standby Mac（备用）</text>
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<text class="boxText" x="446" y="338">备用控制面轻实例</text>
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<text class="boxText" x="446" y="364">PostgreSQL 备库 / 快照恢复实例</text>
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<text class="boxText" x="446" y="390">Standby Controller</text>
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<text class="boxText" x="446" y="416">Ops Rescue Gateway</text>
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<rect class="boxOrange" x="100" y="500" width="610" height="160"/>
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<text class="boxTitle" x="126" y="536">必要前提</text>
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<text class="boxText" x="126" y="570">1. 备用 Mac 必须常开，并保留可用磁盘做备份与恢复。</text>
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<text class="boxText" x="126" y="598">2. 手机 App 必须支持主 / 备 endpoint 列表切换。</text>
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<text class="boxText" x="126" y="626">3. 必须有一条不依赖主云的可达通路：同局域网、Tailscale/WireGuard 或长期反向隧道。</text>
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<rect class="boxGray" x="100" y="700" width="610" height="150"/>
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<text class="boxTitle" x="126" y="736">优点与边界</text>
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<text class="boxText" x="126" y="770">优点：更省钱，本地接管更快，适合已有常开 Mac mini 的环境。</text>
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<text class="boxText" x="126" y="798">边界：如果云和现场 Mac 同时断电 / 断网，这条备援链也会失效。</text>
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<text class="tech" x="126" y="826">建议最低：M1 / 8GB / 50GB，可用更稳：16GB / 100GB</text>
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<rect class="panel" x="830" y="140" width="710" height="760"/>
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<text class="panelTitle" x="860" y="190">模式 B：双云热备 / 温备</text>
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<text class="panelSub" x="860" y="220">更强的远程连续性，适合把备援独立于现场设备之外。</text>
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<rect class="boxBlue" x="870" y="270" width="250" height="150"/>
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<text class="boxTitle" x="896" y="305">Cloud A（主用）</text>
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<text class="boxText" x="896" y="338">控制面单体</text>
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<text class="boxText" x="896" y="364">PostgreSQL 主库 + pgvector</text>
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<text class="boxText" x="896" y="390">HTTP + SSE</text>
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<rect class="boxGreen" x="1190" y="270" width="290" height="180"/>
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<text class="boxTitle" x="1216" y="305">Cloud B（备用）</text>
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<text class="boxText" x="1216" y="338">备用控制面单体</text>
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<text class="boxText" x="1216" y="364">PostgreSQL 备库</text>
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<text class="boxText" x="1216" y="390">接管脚本 / 快照 / 恢复钩子</text>
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<text class="boxText" x="1216" y="416">Standby Controller</text>
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<rect class="boxOrange" x="870" y="500" width="610" height="160"/>
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<text class="boxTitle" x="896" y="536">必要前提</text>
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<text class="boxText" x="896" y="570">1. Cloud B 只做热备 / 温备，不承担常态重负载。</text>
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<text class="boxText" x="896" y="598">2. 手机 App 与控制面支持主 / 备云 endpoint 切换。</text>
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<text class="boxText" x="896" y="626">3. 设备端继续承担重媒体、重审计、重运维执行动作。</text>
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<rect class="boxGray" x="870" y="700" width="610" height="150"/>
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<text class="boxTitle" x="896" y="736">优点与边界</text>
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<text class="boxText" x="896" y="770">优点：公网可达性更稳，不依赖现场某一台设备，接管路径更标准化。</text>
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<text class="boxText" x="896" y="798">边界：成本更高；最后一跳的硬件接管仍要依赖现场设备在线。</text>
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<text class="tech" x="896" y="826">建议最低：Cloud A 2C8G/100GB，Cloud B 2C8G/100GB</text>
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<text class="foot" x="70" y="940">统一抽象建议：standby_provider = standby_mac | cloud_b | both</text>
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</svg>
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