{"id":199,"date":"2024-02-13T20:54:50","date_gmt":"2024-02-13T12:54:50","guid":{"rendered":"https:\/\/www.xxiaoteng.cn\/?p=199"},"modified":"2026-05-11T21:16:03","modified_gmt":"2026-05-11T13:16:03","slug":"%e8%bd%af%e9%93%be%e6%8e%a5%e3%80%81%e7%a1%ac%e9%93%be%e6%8e%a5%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.xxiaoteng.cn\/?p=199","title":{"rendered":"\u8f6f\u94fe\u63a5\u3001\u786c\u94fe\u63a5\u7684\u533a\u522b"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u8f6f\u94fe\u63a5\uff1a\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u4f7f\u7528\u6700\u591a\u7684\u53eb\u8f6f\u94fe\u63a5\uff08\u5feb\u6377\u65b9\u5f0f\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u94fe\u63a5\uff1alink\uff08ln\u547d\u4ee4\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ln -s  \u6e90\u6587\u4ef6\u7684\u8def\u5f84 \u94fe\u63a5\u8def\u5f84<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\u4e8b\u9879\uff1a\u94fe\u63a5\u8def\u5f84\uff0c\u8fd8\u662f\u6e90\u6587\u4ef6\u8def\u5f84\u5fc5\u987b\u662f\u7edd\u5bf9\u8def\u5f84\u65b9\u5f0f<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3e\u4e2a\u6817\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ln -s \/etc\/my.cnf \/root\/my.conf\nll \/root\n\u8f6f\u94fe\u63a5\u7279\u70b9\uff1a\n\u2460 \u6709\u989c\u8272\u7684\uff0c\u6d45\u84dd\u8272\n\u2461 \u8f6f\u94fe\u63a5\u4e00\u822c\u4f1a\u6709 -&gt; \u7bad\u5934\u6307\u5411\n\u2462 \u67e5\u770b\u6743\u9650\u65f6\uff0c\u7b2c1\u5217\u4ee3\u8868\u6587\u4ef6\u7c7b\u578b\uff0c\u5982\u679c\u662f\u8f6f\u94fe\u63a5\u5219\u7c7b\u578b\u4e3al\uff08\u5c0f\u5199\u7684L\uff09<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u7528\uff1a\u7b80\u5316\u8f6f\u4ef6\u8bbf\u95ee\u6216\u6587\u4ef6\u8bbf\u95ee\u8def\u5f84\uff08\u53ef\u4ee5\u662f\u6587\u4ef6\u4e5f\u53ef\u4ee5\u662f\u6587\u4ef6\u5939\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u533a\u522b\uff1a\u5220\u9664\u6e90\u6587\u4ef6\uff0c\u5219\u8f6f\u94fe\u63a5\u5c31\u65e0\u6cd5\u8bbf\u95ee\u4e86\uff08\u5931\u6548\u4e86\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u786c\u94fe\u63a5\uff1a\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u4f7f\u7528\u8f83\u5c11\uff0c\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u5907\u4efd\u3001\u7248\u672c\u63a7\u5236\u7b49\u529f\u80fd\uff08\u7406\u89e3\u53c8\u590d\u5236\u4e86\u4e00\u4e2a\u6587\u4ef6\uff0c\u5220\u9664\u6e90\u6587\u4ef6\uff0c\u5bf9\u786c\u94fe\u63a5\u6ca1\u6709\u4efb\u4f55\u5f71\u54cd\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u7528\uff1a\u5b9e\u73b0\u6570\u636e\u5907\u4efd<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u672c\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ln  \u6e90\u6587\u4ef6\u8def\u5f84  \u786c\u94fe\u63a5\u8def\u5f84\n\u6ce8\u610f\uff1a\u6ca1\u6709\u9009\u9879\uff0c\u6ca1\u6709-s<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3e\u4e2a\u6817\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ln \/var\/log\/disk_usage.log \/root\/disk_usage.log\nls\n\u67e5\u770b\u540e\u53d1\u73b0\uff0c\u786c\u94fe\u63a5\u6587\u4ef6\u4e5f\u662f\u767d\u8272\u7684\uff0c\u6ca1\u6709\u4efb\u4f55\u989c\u8272\u7684\u53d8\u5316\nll\n\u67e5\u770b\u540e\u53d1\u73b0\uff0c\u786c\u94fe\u63a5\u6587\u4ef6\u6ca1\u6709\u7bad\u5934\u6307\u5411\uff0c\u6587\u4ef6\u7c7b\u578b\u4e5f\u662f\u666e\u901a\u6587\u4ef6-\n\u4ece\u5916\u89c2\u548c\u8868\u73b0\u4e0a\u6765\u770b\uff0c\u786c\u94fe\u63a5\u6587\u4ef6\u4e0e\u6e90\u6587\u4ef6\u51e0\u4e4e\u6ca1\u6709\u533a\u522b\n\u6ce8\u610f\uff1a\u786c\u94fe\u63a5\u4e0d\u540c\u4e8e\u8f6f\u94fe\u63a5\uff0c\u786c\u94fe\u63a5\u6709\u70b9\u7c7b\u4f3c\u628a\u6587\u4ef6\u590d\u5236\u4e00\u4efd\uff0c\u5220\u9664\u6e90\u6587\u4ef6\u5bf9\u786c\u94fe\u63a5\u6ca1\u6709\u4efb\u4f55\u5f71\u54cd\u3002\u786c\u94fe\u63a5\u53ea\u80fd\u9488\u5bf9\u6587\u4ef6\u521b\u5efa\uff0c\u800c\u4e0d\u80fd\u9488\u5bf9\u6587\u4ef6\u5939\uff01\n\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u786c\u94fe\u63a5\u53ef\u4ee5\u4f7f\u7528\u6587\u4ef6\u5171\u4eab\uff0c\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u5907\u4efd\u3002<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code class=\"prettyprint\" >inode<\/code>\uff08\u7d22\u5f15\u8282\u70b9\uff09\u662f\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7528\u6765\u5b58\u50a8\u6587\u4ef6\u5143\u6570\u636e\uff08metadata\uff09\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u5305\u542b\u4e86\u6587\u4ef6\u7684\u4e00\u4e9b\u5173\u952e\u4fe1\u606f\uff0c\u5982\u6587\u4ef6\u7684\u5927\u5c0f\u3001\u6587\u4ef6\u7684\u6743\u9650\u3001\u6587\u4ef6\u7684\u6240\u6709\u8005\u3001\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u3001\u4fee\u6539\u65f6\u95f4\u3001\u4ee5\u53ca\u6587\u4ef6\u5185\u5bb9\u7684\u5b58\u50a8\u4f4d\u7f6e\u7b49\uff0c\u4f46 <strong>\u4e0d\u5305\u542b\u6587\u4ef6\u540d<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">inode \u7ed3\u6784\u7684\u5173\u952e\u70b9\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2460 \u6587\u4ef6\u5143\u6570\u636e\uff1ainode \u5b58\u50a8\u4e86\u6587\u4ef6\u7684\u6240\u6709\u91cd\u8981\u4fe1\u606f\uff0c\u9664\u4e86\u6587\u4ef6\u7684\u540d\u5b57\u548c\u5b9e\u9645\u5185\u5bb9\u3002\u6587\u4ef6\u7684\u540d\u5b57\u662f\u7531\u76ee\u5f55\u9879\uff08directory entry\uff09\u6765\u5b58\u50a8\u7684\uff0c\u800c inode \u53ea\u5173\u5fc3\u6587\u4ef6\u7684\u5176\u4ed6\u5c5e\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2461 \u6570\u636e\u5757\u7684\u6307\u9488\uff1ainode \u8fd8\u5305\u542b\u6307\u5411\u6587\u4ef6\u6570\u636e\u5757\u7684\u6307\u9488\uff0c\u8fd9\u4e9b\u6307\u9488\u544a\u8bc9\u6587\u4ef6\u7cfb\u7edf\u5982\u4f55\u627e\u5230\u5b58\u50a8\u6587\u4ef6\u5185\u5bb9\u7684\u5b9e\u9645\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2462 \u6587\u4ef6\u7c7b\u578b\u548c\u6743\u9650\uff1a\u5b83\u8fd8\u5b58\u50a8\u6587\u4ef6\u7c7b\u578b\uff08\u666e\u901a\u6587\u4ef6\u3001\u76ee\u5f55\u3001\u7b26\u53f7\u94fe\u63a5\u7b49\uff09\u4ee5\u53ca\u6743\u9650\u4fe1\u606f\uff08\u8c01\u53ef\u4ee5\u8bfb\u3001\u5199\u6216\u6267\u884c\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728Linux\u7cfb\u7edf\u4e2d\u53ef\u4ee5\u901a\u8fc7<code class=\"prettyprint\" >ls -i<\/code>\u6765\u8fdb\u884c\u67e5\u770b\u6587\u4ef6\u7684inode\u503c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >&lt;strong&gt;\u786c\u94fe\u63a5\uff1a&lt;\/strong&gt;\u672c\u8d28\u4e0a\u662f\u591a\u4e2a\u6587\u4ef6\u540d\u6307\u5411\u540c\u4e00\u4e2a inode\uff0c\u8fd9\u610f\u5473\u7740\u8fd9\u4e9b\u6587\u4ef6\u540d\u5171\u4eab\u76f8\u540c\u7684 inode\u3002\u56e0\u6b64\uff0c\u786c\u94fe\u63a5\u4e0d\u4f1a\u521b\u5efa\u65b0\u7684\u6587\u4ef6\uff0c\u5b83\u53ea\u662f\u4e3a\u73b0\u6709\u7684\u6587\u4ef6\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u540d\u5b57\u3002\n&lt;strong&gt;\u5173\u7cfb&lt;\/strong&gt;\uff1a\u786c\u94fe\u63a5\u4e0e\u539f\u6587\u4ef6\u5171\u4eab\u76f8\u540c\u7684 inode \u7f16\u53f7\u3002\u5220\u9664\u67d0\u4e2a\u786c\u94fe\u63a5\u4e0d\u4f1a\u5f71\u54cd\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u53ea\u4f1a\u51cf\u5c11\u8be5 inode \u7684\u5f15\u7528\u8ba1\u6570\uff0c\u76f4\u5230\u6240\u6709\u786c\u94fe\u63a5\u90fd\u88ab\u5220\u9664\uff0c\u6587\u4ef6\u7684\u6570\u636e\u5757\u624d\u4f1a\u88ab\u91ca\u653e\u3002\n\n&lt;strong&gt;\u8f6f\u94fe\u63a5&lt;\/strong&gt; \u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u6587\u4ef6\uff0c\u62e5\u6709\u81ea\u5df1\u7684 inode\u3002\u8f6f\u94fe\u63a5\u5b58\u50a8\u7684\u662f\u6307\u5411\u76ee\u6807\u6587\u4ef6\u8def\u5f84\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u76ee\u6807\u6587\u4ef6\u7684 inode \u53f7\u3002\u56e0\u6b64\uff0c\u8f6f\u94fe\u63a5\u4e0e\u539f\u59cb\u6587\u4ef6\u7684 inode \u5e76\u4e0d\u76f8\u540c\u3002\n&lt;strong&gt;\u5173\u7cfb&lt;\/strong&gt;\uff1a\u8f6f\u94fe\u63a5\u7684 inode \u6307\u5411\u7684\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u6587\u4ef6\u5185\u5bb9\uff0c\u5373\u5b83\u4fdd\u5b58\u4e86\u76ee\u6807\u6587\u4ef6\u7684\u8def\u5f84\uff0c\u800c\u4e0d\u662f\u76ee\u6807\u6587\u4ef6\u672c\u8eab\u7684 inode\u3002\u5982\u679c\u76ee\u6807\u6587\u4ef6\u88ab\u5220\u9664\u6216\u79fb\u52a8\uff0c\u8f6f\u94fe\u63a5\u5c06\u65e0\u6cd5\u6b63\u786e\u8bbf\u95ee\u76ee\u6807\u6587\u4ef6\uff0c\u56e0\u4e3a\u5b83\u4ec5\u4ec5\u662f\u4e00\u4e2a\u8def\u5f84\u5f15\u7528\u3002<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u786c\u94fe\u63a5\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" 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