{"id":5313,"date":"2026-01-24T11:12:45","date_gmt":"2026-01-24T02:12:45","guid":{"rendered":"https:\/\/eternalsphere.net\/echoes\/?p=5313"},"modified":"2026-06-06T05:40:46","modified_gmt":"2026-06-05T20:40:46","slug":"wisngsw4zzro5vs","status":"publish","type":"post","link":"https:\/\/eternalsphere.net\/echoes\/index.php\/2026\/01\/24\/wisngsw4zzro5vs\/","title":{"rendered":"Portainer \u4e2d\u5220\u9664 Docker \u955c\u50cf\u5931\u8d25\u7684\u539f\u56e0\u5206\u6790\u4e0e\u5904\u7406"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u95ee\u9898\u73b0\u8c61<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4f7f\u7528 Portainer\uff08Community Edition\uff09\u7ba1\u7406 Docker \u73af\u5883\u65f6\uff0c\u5c1d\u8bd5\u5220\u9664\u6807\u8bb0\u4e3a <strong>Unused<\/strong> \u7684\u955c\u50cf\u5931\u8d25\uff0c\u754c\u9762\u63d0\u793a\u7c7b\u4f3c\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>Unable to remove image<\/code><\/li>\n\n\n\n<li><code>504 Gateway Time-out<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u4f7f\u6240\u9009\u955c\u50cf\u4f53\u79ef\u8f83\u5927\u3001\u72b6\u6001\u663e\u793a\u4e3a\u672a\u4f7f\u7528\uff0c\u5220\u9664\u64cd\u4f5c\u4ecd\u65e0\u6cd5\u5728 UI \u4e2d\u5b8c\u6210\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u521d\u6b65\u8bef\u5224\u4e0e\u6f84\u6e05<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8bef\u5224\u4e00\uff1a\u955c\u50cf\u4f53\u79ef\u8fc7\u5927\u5bfc\u81f4\u65e0\u6cd5\u5220\u9664<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u5224\u65ad\u5e76\u4e0d\u6210\u7acb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Docker \u5220\u9664\u955c\u50cf\u7684\u6838\u5fc3\u64cd\u4f5c\u5e76\u975e\u201c\u62f7\u8d1d\u6216\u79fb\u52a8\u5927\u6587\u4ef6\u201d\uff0c\u800c\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u89e3\u9664\u955c\u50cf\u4e0e\u5bb9\u5668 \/ layer \u7684\u5f15\u7528\u5173\u7cfb<\/li>\n\n\n\n<li>\u56de\u6536 overlay \u5c42<\/li>\n\n\n\n<li>\u66f4\u65b0 Docker \/ containerd \u7684\u5143\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u955c\u50cf\u4f53\u79ef\u5927\u5c0f\u53ea\u5f71\u54cd\u5220\u9664\u8017\u65f6\uff0c\u4e0d\u4f1a\u5bfc\u81f4\u201c\u65e0\u6cd5\u5220\u9664\u201d<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6b63\u786e\u539f\u56e0\u5206\u6790<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Portainer \u62a5\u9519\u7684\u672c\u8d28<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>504 Gateway Time-out<\/code> \u5c5e\u4e8e <strong>\u524d\u7aef\u6216\u53cd\u5411\u4ee3\u7406\u8d85\u65f6<\/strong>\uff0c\u800c\u975e Docker Engine \u8fd4\u56de\u7684\u903b\u8f91\u9519\u8bef\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Portainer \u7684\u5de5\u4f5c\u8def\u5f84\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Browser\n \u2192 Portainer Backend\n   \u2192 Docker Engine API\n     \u2192 overlay2 \u6587\u4ef6\u7cfb\u7edf\n       \u2192 \u5b9e\u9645\u78c1\u76d8 I\/O\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u540e\u7aef\u64cd\u4f5c\u8017\u65f6\u8fc7\u957f\u65f6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Docker \u5b9e\u9645\u4ecd\u5728\u6267\u884c\u5220\u9664<\/li>\n\n\n\n<li>Portainer \u7684 HTTP \u8bf7\u6c42\u5148\u8d85\u65f6<\/li>\n\n\n\n<li>UI \u8bef\u5224\u4e3a\u201c\u5220\u9664\u5931\u8d25\u201d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u6839\u672c\u539f\u56e0\uff1a\u78c1\u76d8 I\/O \u6027\u80fd\u4e0d\u8db3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4ee5\u4e0b\u573a\u666f\u4e2d\uff0c\u8be5\u95ee\u9898\u5c24\u4e3a\u660e\u663e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>overlay2 \u5b58\u50a8\u9a71\u52a8<\/li>\n\n\n\n<li>\u673a\u68b0\u786c\u76d8 \/ USB \u786c\u76d8\u67dc<\/li>\n\n\n\n<li>\u968f\u673a IOPS \u8f83\u4f4e\u7684\u78c1\u76d8<\/li>\n\n\n\n<li>\u5b58\u5728\u5927\u91cf\u5386\u53f2\u955c\u50cf\u4e0e layer<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Docker \u5220\u9664\u955c\u50cf\u65f6\u4f1a\u89e6\u53d1\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u91cf\u5c0f\u6587\u4ef6\u7684 <code>unlink()<\/code> \u64cd\u4f5c<\/li>\n\n\n\n<li>\u9891\u7e41 metadata \u66f4\u65b0<\/li>\n\n\n\n<li>\u5f3a\u5236 <code>fsync<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u7c7b\u64cd\u4f5c <strong>\u9ad8\u5ea6\u4f9d\u8d56\u968f\u673a I\/O \u6027\u80fd<\/strong>\uff0c\u5728\u6162\u76d8\u4e0a\u53ef\u80fd\u6301\u7eed\u6570\u5206\u949f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u4e3a\u4ec0\u4e48 CLI \u5220\u9664\u53ef\u4ee5\u6210\u529f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u547d\u4ee4\u884c\u6267\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>docker rmi &lt;image&gt;\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e Portainer UI \u7684\u5173\u952e\u5dee\u5f02\u5728\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CLI <strong>\u65e0 HTTP \u8d85\u65f6\u9650\u5236<\/strong><\/li>\n\n\n\n<li>\u4f1a\u4e00\u76f4\u963b\u585e\u7b49\u5f85\u78c1\u76d8\u64cd\u4f5c\u5b8c\u6210<\/li>\n\n\n\n<li>\u5373\u4f7f\u8017\u65f6\u8f83\u957f\uff0c\u4e5f\u4e0d\u4f1a\u4e2d\u65ad<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u5728\u78c1\u76d8 I\/O \u6210\u4e3a\u74f6\u9888\u65f6\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>CLI \u5220\u9664\u53ef\u9760\uff0c\u800c UI \u5220\u9664\u4e0d\u53ef\u9760<\/strong><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u9a8c\u8bc1\u65b9\u6cd5\uff08\u53ef\u9009\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5220\u9664\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u9a8c\u8bc1\u78c1\u76d8\u74f6\u9888\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>iostat -x 1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5173\u6ce8\u6307\u6807\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>%util<\/code> \u63a5\u8fd1 100%<\/li>\n\n\n\n<li><code>await<\/code> \u663e\u8457\u5347\u9ad8<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u4f7f\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>iotop -o\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u53ef\u89c2\u5bdf\u5230\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>dockerd<\/code><\/li>\n\n\n\n<li><code>containerd<\/code><\/li>\n\n\n\n<li><code>overlayfs<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5360\u7528\u5927\u91cf I\/O\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6b63\u786e\u5904\u7406\u65b9\u5f0f\u603b\u7ed3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u91cd I\/O \u64cd\u4f5c\u907f\u514d\u4f7f\u7528 Portainer UI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u64cd\u4f5c\u5efa\u8bae <strong>\u53ea\u5728 CLI \u4e2d\u6267\u884c<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>docker rmi<\/code><\/li>\n\n\n\n<li><code>docker system prune<\/code><\/li>\n\n\n\n<li>\u5927\u89c4\u6a21\u955c\u50cf \/ layer \u6e05\u7406<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Portainer \u66f4\u9002\u5408\u7528\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u72b6\u6001\u67e5\u770b<\/li>\n\n\n\n<li>\u57fa\u672c\u7ba1\u7406<\/li>\n\n\n\n<li>\u65e5\u5e38\u8fd0\u7ef4\u76d1\u63a7<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5206\u6279\u5220\u9664\u955c\u50cf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u907f\u514d\u4e00\u6b21\u6027\u5220\u9664\u5927\u91cf\u5927\u955c\u50cf\uff0c\u53ef\u91c7\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>docker rmi &lt;image-A&gt;\n# \u7b49\u5f85\u78c1\u76d8\u8d1f\u8f7d\u56de\u843d\ndocker rmi &lt;image-B&gt;\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u51cf\u5c11 I\/O \u963b\u585e\u4e0e\u8bef\u5224\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u63a5\u53d7 overlay2 \u5728\u6162\u76d8\u4e0a\u7684\u73b0\u5b9e\u9650\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u975e\u9ad8\u6027\u80fd\u5b58\u50a8\u4e0a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5220\u9664\u955c\u50cf <strong>\u53ef\u80fd\u6bd4\u62c9\u53d6\u955c\u50cf\u66f4\u6162<\/strong><\/li>\n\n\n\n<li>\u5c5e\u4e8e\u6587\u4ef6\u7cfb\u7edf\u4e0e\u5b58\u50a8\u7279\u6027\u9650\u5236<\/li>\n\n\n\n<li>\u5e76\u975e\u7cfb\u7edf\u5f02\u5e38\u6216 Docker \u7f3a\u9677<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Portainer \u4e2d\u201c\u5220\u9664\u672a\u4f7f\u7528\u955c\u50cf\u5931\u8d25\u201d\u7684\u95ee\u9898\uff0c\u672c\u8d28\u5e76\u975e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Docker \u547d\u4ee4\u7f3a\u5931<\/li>\n\n\n\n<li>\u955c\u50cf\u4f53\u79ef\u8fc7\u5927<\/li>\n\n\n\n<li>\u955c\u50cf\u72b6\u6001\u5224\u65ad\u9519\u8bef<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u78c1\u76d8 I\/O \u6027\u80fd\u6210\u4e3a\u74f6\u9888\uff0c\u5bfc\u81f4 Docker \u540e\u7aef\u64cd\u4f5c\u8017\u65f6\u8fc7\u957f\uff0cUI \u8bf7\u6c42\u8d85\u65f6\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6b64\u7c7b\u73af\u5883\u4e2d\uff0c\u5e94\u4ee5 <strong>Docker CLI \u4e3a\u6700\u7ec8\u6267\u884c\u624b\u6bb5<\/strong>\uff0c\u907f\u514d\u5c06 Web UI \u7528\u4e8e\u91cd I\/O \u8fd0\u7ef4\u64cd\u4f5c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u9898\u73b0\u8c61 \u5728\u4f7f\u7528 Portainer\uff08Community Edition\uff09\u7ba1\u7406 Docker \u73af\u5883\u65f6\uff0c\u5c1d\u8bd5\u5220\u9664\u6807\u8bb0\u4e3a Unused \u7684\u955c\u50cf\u5931\u8d25\uff0c\u754c\u9762\u63d0\u793a\u7c7b\u4f3c\u4ee5\u4e0b\u9519\u8bef\uff1a \u5373\u4f7f\u6240\u9009\u955c\u50cf\u4f53\u79ef\u8f83\u5927\u3001\u72b6\u6001\u663e\u793a\u4e3a\u672a\u4f7f\u7528\uff0c\u5220\u9664\u64cd\u4f5c\u4ecd\u65e0\u6cd5\u5728 UI \u4e2d\u5b8c\u6210\u3002 \u521d\u6b65\u8bef\u5224\u4e0e\u6f84\u6e05 \u8bef\u5224\u4e00\uff1a\u955c\u50cf\u4f53\u79ef\u8fc7\u5927\u5bfc\u81f4\u65e0\u6cd5\u5220\u9664 \u8be5\u5224\u65ad\u5e76\u4e0d\u6210\u7acb\u3002 Docker \u5220\u9664\u955c\u50cf\u7684\u6838\u5fc3\u64cd\u4f5c\u5e76\u975e\u201c\u62f7\u8d1d\u6216\u79fb\u52a8\u5927\u6587\u4ef6\u201d\uff0c\u800c\u662f\uff1a \u955c\u50cf\u4f53\u79ef\u5927\u5c0f\u53ea\u5f71\u54cd\u5220\u9664\u8017\u65f6\uff0c\u4e0d\u4f1a\u5bfc\u81f4\u201c\u65e0\u6cd5\u5220\u9664\u201d\u3002 \u6b63\u786e\u539f\u56e0\u5206\u6790 1. Portainer \u62a5\u9519\u7684\u672c\u8d28 504 Gateway Time-out \u5c5e\u4e8e \u524d\u7aef\u6216\u53cd\u5411\u4ee3\u7406\u8d85\u65f6\uff0c\u800c\u975e Docker Engine \u8fd4\u56de\u7684\u903b\u8f91\u9519\u8bef\u3002 Portainer \u7684\u5de5\u4f5c\u8def\u5f84\u4e3a\uff1a \u5f53\u540e\u7aef\u64cd\u4f5c\u8017\u65f6\u8fc7\u957f\u65f6\uff1a 2. \u6839\u672c\u539f\u56e0\uff1a\u78c1\u76d8 I\/O \u6027\u80fd\u4e0d\u8db3 \u5728\u4ee5\u4e0b\u573a\u666f\u4e2d\uff0c\u8be5\u95ee\u9898\u5c24\u4e3a\u660e\u663e\uff1a Docker \u5220\u9664\u955c\u50cf\u65f6\u4f1a\u89e6\u53d1\uff1a \u8fd9\u7c7b\u64cd\u4f5c \u9ad8\u5ea6\u4f9d\u8d56\u968f\u673a I\/O \u6027\u80fd\uff0c\u5728\u6162\u76d8\u4e0a\u53ef\u80fd\u6301\u7eed\u6570\u5206\u949f\u3002 3. \u4e3a\u4ec0\u4e48 CLI \u5220\u9664\u53ef\u4ee5\u6210\u529f \u4f7f\u7528\u547d\u4ee4\u884c\u6267\u884c\uff1a \u4e0e Portainer &hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-5313","post","type-post","status-publish","format-standard","hentry","category-ayo0bcjn5seq2"],"_links":{"self":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5313","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/comments?post=5313"}],"version-history":[{"count":1,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5313\/revisions"}],"predecessor-version":[{"id":5314,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5313\/revisions\/5314"}],"wp:attachment":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/media?parent=5313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/categories?post=5313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/tags?post=5313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}