{"id":4755,"date":"2025-07-31T20:03:03","date_gmt":"2025-07-31T11:03:03","guid":{"rendered":"https:\/\/eternalsphere.net\/echoes\/?p=4755"},"modified":"2026-06-06T10:07:11","modified_gmt":"2026-06-06T01:07:11","slug":"l43tgnnaxb6tm6p","status":"publish","type":"post","link":"https:\/\/eternalsphere.net\/echoes\/index.php\/2025\/07\/31\/l43tgnnaxb6tm6p\/","title":{"rendered":"\u5728 Proxmox \u4e2d\u7981\u7528\u5e76\u5220\u9664 Swap\uff1a\u6027\u80fd\u4f18\u5316\u4e0e\u7a7a\u95f4\u56de\u6536\u5b9e\u8df5"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728\u865a\u62df\u5316\u5e73\u53f0\u4e2d\uff0c\u5982 Proxmox VE\uff08PVE\uff09\u548c Proxmox Backup Server\uff08PBS\uff09\uff0c\u7cfb\u7edf\u9ed8\u8ba4\u901a\u5e38\u4f1a\u914d\u7f6e\u4e00\u5b9a\u5927\u5c0f\u7684 Swap\u3002\u867d\u7136\u8fd9\u5728\u8d44\u6e90\u7d27\u5f20\u65f6\u80fd\u63d0\u4f9b\u4e00\u5b9a\u5bb9\u9519\u6027\uff0c\u4f46\u5728\u7269\u7406\u5185\u5b58\u5145\u88d5\u7684\u573a\u666f\u4e2d\uff0cSwap \u53cd\u800c\u53ef\u80fd\u6210\u4e3a\u6027\u80fd\u74f6\u9888\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728 Proxmox \u7cfb\u7edf\u4e2d\u7981\u7528\u5e76\u5220\u9664 Swap \u5206\u533a\uff08\u7279\u522b\u662f LVM \u903b\u8f91\u5377\uff09\uff0c\u5e76\u5c06\u5176\u56de\u6536\u7ed9\u6839\u903b\u8f91\u5377\uff0c\u4ece\u800c\u63d0\u5347\u7cfb\u7edf I\/O \u54cd\u5e94\u4e0e\u8d44\u6e90\u5229\u7528\u6548\u7387\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u80cc\u666f\u573a\u666f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7cfb\u7edf\u73af\u5883\uff1aProxmox VE \u4e0e Proxmox Backup Server<\/li>\n\n\n\n<li>\u5185\u5b58\u914d\u7f6e\uff1a128GiB \u7269\u7406\u5185\u5b58<\/li>\n\n\n\n<li>\u5b58\u50a8\u7ed3\u6784\uff1aLVM \u5206\u533a\uff0cSwap \u4e3a\u903b\u8f91\u5377\uff088GiB\uff09<\/li>\n\n\n\n<li>\u4f7f\u7528\u573a\u666f\uff1a\u8fd0\u884c\u591a\u4e2a\u8f7b\u8d1f\u8f7d\u865a\u62df\u673a\u4e0e\u5907\u4efd\u4efb\u52a1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u8d44\u6e90\u4f7f\u7528\u76d1\u63a7\u663e\u793a Swap \u867d\u672a\u88ab\u5927\u91cf\u4f7f\u7528\uff0c\u4f46\u5728\u90e8\u5206\u9ad8 I\/O \u573a\u666f\u4e2d\u5b58\u5728\u54cd\u5e94\u5ef6\u8fdf\u95ee\u9898\u3002\u8003\u8651\u5230\u5185\u5b58\u5145\u8db3\uff0c\u51b3\u5b9a\u5f7b\u5e95\u79fb\u9664 Swap \u5e76\u5c06\u7a7a\u95f4\u91ca\u653e\u7ed9\u6839\u5377\u4f7f\u7528\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u7981\u7528 Swap\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u867d\u7136 Swap \u662f Linux \u7684\u57fa\u672c\u7ec4\u6210\u90e8\u5206\uff0c\u4f46\u5728\u9ad8\u5185\u5b58\u73af\u5883\u4e0b\u5b83\u53ef\u80fd\u5f15\u53d1\u5982\u4e0b\u95ee\u9898\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e0d\u5fc5\u8981\u7684\u78c1\u76d8 I\/O<\/strong>\uff1a\u5185\u6838\u53ef\u80fd\u4f1a\u4e3b\u52a8\u6362\u51fa\u201c\u770b\u4f3c\u201d\u4e0d\u6d3b\u8dc3\u7684\u5185\u5b58\u9875\uff0c\u5373\u4f7f\u5185\u5b58\u5e76\u4e0d\u7d27\u5f20\uff0c\u53cd\u800c\u9020\u6210 I\/O \u5ef6\u8fdf\u3002<\/li>\n\n\n\n<li><strong>\u865a\u62df\u5316\u8c03\u5ea6\u5e72\u6270<\/strong>\uff1a\u5728 Proxmox \u7684 VM \u8c03\u5ea6\u548c KSM \u5171\u4eab\u5185\u5b58\u673a\u5236\u4e0b\uff0cSwap \u53ef\u80fd\u5e26\u6765\u4e0d\u53ef\u9884\u6d4b\u7684\u884c\u4e3a\u3002<\/li>\n\n\n\n<li><strong>\u673a\u68b0\u786c\u76d8\u6027\u80fd\u74f6\u9888<\/strong>\uff1a\u5728\u786c\u76d8\u67dc\u4e2d\u4f7f\u7528\u673a\u68b0\u786c\u76d8\u4f5c\u4e3a\u5b58\u50a8\u540e\u7aef\uff0cSwap \u5199\u5165\u6781\u6613\u6210\u4e3a\u74f6\u9888\u3002<\/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\">\u64cd\u4f5c\u6d41\u7a0b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5173\u95ed Swap<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>swapoff -a<br><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u6ce8\u91ca <code>\/etc\/fstab<\/code> \u4e2d\u7684 Swap \u6761\u76ee<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8f91 <code>\/etc\/fstab<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>nano \/etc\/fstab<br><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u5982\u4e0b\u884c\u6ce8\u91ca\u6389\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>#\/dev\/pve\/swap none swap sw 0 0<br><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5220\u9664 Swap \u903b\u8f91\u5377<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>lvremove \/dev\/pve\/swap<br><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u4f1a\u63d0\u793a\u786e\u8ba4\uff0c\u8f93\u5165 <code>y<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u6269\u5c55 Root \u903b\u8f91\u5377<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u91ca\u653e\u7684\u7a7a\u95f4\u6269\u5c55\u6839\u5206\u533a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>lvextend -r -l +100%FREE \/dev\/pve\/root<br><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>-r<\/code> \u4f1a\u81ea\u52a8\u6269\u5c55\u5e95\u5c42\u6587\u4ef6\u7cfb\u7edf\uff08\u5982 ext4\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u9a8c\u8bc1\u7ed3\u679c<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>lvs<br>df -h \/<br>free -h<br><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e94\u770b\u5230\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>swap<\/code> 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class=\"wp-block-paragraph\">\u6b64\u65b9\u6cd5\u9002\u7528\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62e5\u6709 <strong>\u5145\u8db3\u7269\u7406\u5185\u5b58<\/strong>\uff0864GiB \u53ca\u4ee5\u4e0a\uff09<\/li>\n\n\n\n<li>\u4f7f\u7528 <strong>SSD \u6216\u673a\u68b0\u76d8\u786c\u76d8\u67dc<\/strong><\/li>\n\n\n\n<li>\u8ffd\u6c42 <strong>I\/O \u6027\u80fd\u7a33\u5b9a\u6027<\/strong> \u7684 Proxmox \u7528\u6237<\/li>\n\n\n\n<li>\u4e0d\u4f9d\u8d56 Swap \u4f5c\u4e3a crash dump \u7b49\u7528\u9014\u7684\u573a\u666f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u8d44\u6e90\u7d27\u5f20\u3001\u9700\u4fdd\u5b88\u8fd0\u884c\u7684\u751f\u4ea7\u73af\u5883\uff0c\u4ecd\u5efa\u8bae\u4fdd\u7559\u5c0f\u5bb9\u91cf Swap\uff08\u5982 1~2GiB\uff09\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u540e\u7eed\u53ef\u9009\uff1azswap \u66ff\u4ee3\u65b9\u6848<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u82e5\u6709\u538b\u7f29\u5185\u5b58\u9700\u6c42\uff0c\u53ef\u8003\u8651\u542f\u7528\u5185\u6838\u7684 <code>zswap<\/code> \u66ff\u4ee3\u4f20\u7edf Swap\uff0c\u4f7f\u7528\u538b\u7f29\u7b97\u6cd5\u63d0\u5347\u7f13\u5b58\u6548\u7387\uff0c\u4f46\u8fd9\u9700\u914d\u5408\u5177\u4f53\u573a\u666f\u8c03\u4f18\uff0c\u4e0d\u5728\u672c\u6587\u8303\u56f4\u5185\u8be6\u8ff0\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7981\u7528 Swap \u5728\u9ad8\u6027\u80fd\u865a\u62df\u5316\u73af\u5883\u4e2d\u662f\u4e00\u4e2a\u5b9e\u7528\u4f18\u5316\u7b56\u7565\uff0c\u7279\u522b\u662f\u5185\u5b58\u8d44\u6e90\u5bcc\u8db3\u65f6\uff0c\u80fd\u591f\u6709\u6548\u964d\u4f4e I\/O \u5e72\u6270\u3001\u63d0\u5347\u7cfb\u7edf\u54cd\u5e94\u3002\u901a\u8fc7\u5220\u9664 Swap \u903b\u8f91\u5377\u5e76\u56de\u6536\u7a7a\u95f4\uff0c\u53ef\u8fdb\u4e00\u6b65\u63d0\u5347\u78c1\u76d8\u5229\u7528\u7387\u4e0e\u6574\u4f53\u8fd0\u7ef4\u53ef\u63a7\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u865a\u62df\u5316\u5e73\u53f0\u4e2d\uff0c\u5982 Proxmox VE\uff08PVE\uff09\u548c Proxmox Backup Server\uff08PBS\uff09\uff0c\u7cfb\u7edf\u9ed8\u8ba4\u901a\u5e38\u4f1a\u914d\u7f6e\u4e00\u5b9a\u5927\u5c0f\u7684 Swap\u3002\u867d\u7136\u8fd9\u5728\u8d44\u6e90\u7d27\u5f20\u65f6\u80fd\u63d0\u4f9b\u4e00\u5b9a\u5bb9\u9519\u6027\uff0c\u4f46\u5728\u7269\u7406\u5185\u5b58\u5145\u88d5\u7684\u573a\u666f\u4e2d\uff0cSwap \u53cd\u800c\u53ef\u80fd\u6210\u4e3a\u6027\u80fd\u74f6\u9888\u3002 \u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728 Proxmox \u7cfb\u7edf\u4e2d\u7981\u7528\u5e76\u5220\u9664 Swap \u5206\u533a\uff08\u7279\u522b\u662f LVM \u903b\u8f91\u5377\uff09\uff0c\u5e76\u5c06\u5176\u56de\u6536\u7ed9\u6839\u903b\u8f91\u5377\uff0c\u4ece\u800c\u63d0\u5347\u7cfb\u7edf I\/O \u54cd\u5e94\u4e0e\u8d44\u6e90\u5229\u7528\u6548\u7387\u3002 \u80cc\u666f\u573a\u666f \u7cfb\u7edf\u8d44\u6e90\u4f7f\u7528\u76d1\u63a7\u663e\u793a Swap \u867d\u672a\u88ab\u5927\u91cf\u4f7f\u7528\uff0c\u4f46\u5728\u90e8\u5206\u9ad8 I\/O \u573a\u666f\u4e2d\u5b58\u5728\u54cd\u5e94\u5ef6\u8fdf\u95ee\u9898\u3002\u8003\u8651\u5230\u5185\u5b58\u5145\u8db3\uff0c\u51b3\u5b9a\u5f7b\u5e95\u79fb\u9664 Swap \u5e76\u5c06\u7a7a\u95f4\u91ca\u653e\u7ed9\u6839\u5377\u4f7f\u7528\u3002 \u4e3a\u4ec0\u4e48\u7981\u7528 Swap\uff1f \u867d\u7136 Swap \u662f Linux \u7684\u57fa\u672c\u7ec4\u6210\u90e8\u5206\uff0c\u4f46\u5728\u9ad8\u5185\u5b58\u73af\u5883\u4e0b\u5b83\u53ef\u80fd\u5f15\u53d1\u5982\u4e0b\u95ee\u9898\uff1a \u64cd\u4f5c\u6d41\u7a0b 1. \u5173\u95ed Swap swapoff -a 2. \u6ce8\u91ca \/etc\/fstab \u4e2d\u7684 Swap \u6761\u76ee \u7f16\u8f91 \/etc\/fstab\uff1a nano \/etc\/fstab \u5c06\u5982\u4e0b\u884c\u6ce8\u91ca\u6389\uff1a #\/dev\/pve\/swap &hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[208],"tags":[],"class_list":["post-4755","post","type-post","status-publish","format-standard","hentry","category-e18eiwuv0h3s4gg"],"_links":{"self":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4755","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=4755"}],"version-history":[{"count":1,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4755\/revisions"}],"predecessor-version":[{"id":4756,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4755\/revisions\/4756"}],"wp:attachment":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/media?parent=4755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/categories?post=4755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/tags?post=4755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}