{"id":3235,"date":"2017-03-02T23:58:41","date_gmt":"2017-03-02T15:58:41","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=3235"},"modified":"2017-03-02T23:58:41","modified_gmt":"2017-03-02T15:58:41","slug":"linux%e4%b8%adinode%e7%9a%84%e7%9b%b8%e5%85%b3%e7%9f%a5%e8%af%86%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/3235.html","title":{"rendered":"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3"},"content":{"rendered":"<p>=Start=<\/p>\n<h4 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u7f18\u7531\uff1a\">\u7f18\u7531\uff1a<\/h4>\n<p>\u7406\u89e3Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5de9\u56fa\u6240\u5b66\u77e5\u8bc6\uff0c\u4ee5\u65b9\u4fbf\u4ee5\u540e\u8fdb\u884c\u95ee\u9898\u5b9a\u4f4d\u3002<\/p>\n<h4 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u6b63\u6587\uff1a\">\u6b63\u6587\uff1a<\/h4>\n<h5 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u53c2\u8003\u89e3\u7b54\uff1a\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n<div class=\"code panel pdl conf-macro output-block\" data-hasbody=\"true\" data-macro-name=\"code\">\n<div class=\"codeHeader panelHeader pdl\"><b>\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u7684inode\u4f7f\u7528\u60c5\u51b5<\/b><\/div>\n<div class=\"codeContent panelContent pdl\">\n<div id=\"highlighter_892466\" class=\"syntaxhighlighter sh-confluence nogutter java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"code\">\n<div class=\"container\" title=\"Hint: double-click to select code\">\n<div class=\"line number1 index0 alt2\"><code class=\"java plain\"># \u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u7684inode\u4f7f\u7528\u60c5\u51b5<\/code><\/div>\n<div class=\"line number2 index1 alt1\"><code class=\"java plain\">df -hi<\/code><\/div>\n<div class=\"line number3 index2 alt2\"><\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java plain\"># \u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u67e5\u627e\u5305\u542b\u6700\u591a\u6587\u4ef6\u7684\u76ee\u5f55(\u6d88\u8017\u4e86\u6700\u591a\u7684inode\u7a7a\u95f4)<\/code><\/div>\n<div class=\"line number5 index4 alt2\"><code class=\"java plain\">sudo find . -xdev -type f | cut -d\u00a0<\/code><code class=\"java string\">\"\/\"<\/code>\u00a0<code class=\"java plain\">-f\u00a0<\/code><code class=\"java value\">2<\/code>\u00a0<code class=\"java plain\">| sort | uniq -c | sort -n<\/code><\/div>\n<div class=\"line number6 index5 alt1\"><\/div>\n<div class=\"line number7 index6 alt2\"><code class=\"java plain\"># \u5728\u6839\u76ee\u5f55\u4e0b\u8fdb\u884c\u67e5\u627e<\/code><\/div>\n<div class=\"line number8 index7 alt1\"><code class=\"java keyword\">for<\/code>\u00a0<code class=\"java plain\">i in \/*;\u00a0<\/code><code class=\"java keyword\">do<\/code>\u00a0<code class=\"java plain\">echo $i; find $i |wc -l; done<\/code><\/div>\n<div class=\"line number9 index8 alt2\"><\/div>\n<div class=\"line number10 index9 alt1\"><code class=\"java plain\">find \/ -xdev -printf\u00a0<\/code><code class=\"java string\">'%h\\n'<\/code>\u00a0<code class=\"java plain\">| sort | uniq -c | sort -k1 -nr<\/code><\/div>\n<div class=\"line number11 index10 alt2\"><\/div>\n<div class=\"line number12 index11 alt1\"><code class=\"java plain\"># \u90e8\u5206\u7248\u672c\u7684 du \u547d\u4ee4\u53ef\u4ee5\u652f\u6301<\/code><\/div>\n<div class=\"line number13 index12 alt2\"><code class=\"java plain\">du --inodes -xS<\/code><\/div>\n<div class=\"line number14 index13 alt1\"><code class=\"java plain\">du --inodes -S | sort -rh | sed -n\u00a0<\/code><code class=\"java string\">'1,50{\/^.\\{71\\}\/s\/^\\(.\\{30\\}\\).*\\(.\\{37\\}\\)$\/\\1...\\2\/;p}'<\/code><\/div>\n<div class=\"line number15 index14 alt2\"><\/div>\n<div class=\"line number16 index15 alt1\"><code class=\"java plain\">#!\/bin\/bash<\/code><\/div>\n<div class=\"line number17 index16 alt2\"><code class=\"java plain\"># count_em - count files in all subdirectories under current directory.<\/code><\/div>\n<div class=\"line number18 index17 alt1\"><code class=\"java plain\">echo\u00a0<\/code><code class=\"java string\">'echo $(ls -a \"$1\" | wc -l) $1'<\/code>\u00a0<code class=\"java plain\">&gt;\/tmp\/count_em_$$<\/code><\/div>\n<div class=\"line number19 index18 alt2\"><code class=\"java plain\">chmod\u00a0<\/code><code class=\"java value\">700<\/code>\u00a0<code class=\"java plain\">\/tmp\/count_em_$$<\/code><\/div>\n<div class=\"line number20 index19 alt1\"><code class=\"java plain\">find . -mount -type d -print0 | xargs -<\/code><code class=\"java value\">0<\/code>\u00a0<code class=\"java plain\">-n1 \/tmp\/count_em_$$ | sort -n<\/code><\/div>\n<div class=\"line number21 index20 alt2\"><code class=\"java plain\">rm -f \/tmp\/count_em_$$<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p>&amp;<\/p>\n<h6 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u4e00\u3001\u4ec0\u4e48\u662finode\uff1f\">\u4e00\u3001\u4ec0\u4e48\u662finode\uff1f<\/h6>\n<p>\u7406\u89e3inode\uff0c\u8981\u4ece\u6587\u4ef6\u50a8\u5b58\u8bf4\u8d77\u3002<\/p>\n<p>\u6587\u4ef6\u50a8\u5b58\u5728\u786c\u76d8\u4e0a\uff0c\u786c\u76d8\u7684\u6700\u5c0f\u5b58\u50a8\u5355\u4f4d\u53eb\u505a&#8221;\u6247\u533a&#8221;\uff08Sector\uff09\u3002\u6bcf\u4e2a\u6247\u533a\u50a8\u5b58512\u5b57\u8282\uff08\u76f8\u5f53\u4e8e0.5KB\uff09\u3002\u64cd\u4f5c\u7cfb\u7edf\u8bfb\u53d6\u786c\u76d8\u7684\u65f6\u5019\uff0c\u4e0d\u4f1a\u4e00\u4e2a\u4e2a\u6247\u533a\u5730\u8bfb\u53d6\uff0c\u8fd9\u6837\u6548\u7387\u592a\u4f4e\uff0c\u800c\u662f\u4e00\u6b21\u6027\u8fde\u7eed\u8bfb\u53d6\u591a\u4e2a\u6247\u533a\uff0c\u5373\u4e00\u6b21\u6027\u8bfb\u53d6\u4e00\u4e2a&#8221;\u5757&#8221;\uff08block\uff09\u3002<span style=\"color: #0000ff;\"><strong>\u8fd9\u79cd\u7531\u591a\u4e2a\u6247\u533a\u7ec4\u6210\u7684&#8221;\u5757&#8221;\uff0c\u662f\u6587\u4ef6\u5b58\u53d6\u7684\u6700\u5c0f\u5355\u4f4d\u3002<\/strong><\/span>&#8220;\u5757&#8221;\u7684\u5927\u5c0f\uff0c\u6700\u5e38\u89c1\u7684\u662f4KB\uff0c\u5373\u8fde\u7eed\u516b\u4e2asector\u7ec4\u6210\u4e00\u4e2a block\u3002<\/p>\n<p>\u6587\u4ef6\u6570\u636e\u90fd\u50a8\u5b58\u5728&#8221;\u5757&#8221;\u4e2d\uff0c\u90a3\u4e48\u5f88\u663e\u7136\uff0c\u6211\u4eec\u8fd8\u5fc5\u987b\u627e\u5230\u4e00\u4e2a\u5730\u65b9\u50a8\u5b58\u6587\u4ef6\u7684\u5143\u4fe1\u606f\uff0c\u6bd4\u5982\u6587\u4ef6\u7684\u521b\u5efa\u8005\u3001\u6587\u4ef6\u7684\u521b\u5efa\u65e5\u671f\u3001\u6587\u4ef6\u7684\u5927\u5c0f\u7b49\u7b49\u3002<span style=\"color: #ff0000;\"><strong>\u8fd9\u79cd\u50a8\u5b58\u6587\u4ef6\u5143\u4fe1\u606f\u7684\u533a\u57df\u5c31\u53eb\u505ainode<\/strong><\/span>\uff0c\u4e2d\u6587\u8bd1\u540d\u4e3a&#8221;\u7d22\u5f15\u8282\u70b9&#8221;\u3002<\/p>\n<p>\u6bcf\u4e00\u4e2a\u6587\u4ef6\u90fd\u6709\u5bf9\u5e94\u7684inode\uff0c\u91cc\u9762\u5305\u542b\u4e86\u4e0e\u8be5\u6587\u4ef6\u6709\u5173\u7684\u4e00\u4e9b\u4fe1\u606f\u3002<\/p>\n<h6 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u4e8c\u3001inode\u7684\u5185\u5bb9\">\u4e8c\u3001inode\u7684\u5185\u5bb9<\/h6>\n<p>inode\u5305\u542b\u6587\u4ef6\u7684\u5143\u4fe1\u606f\uff0c\u5177\u4f53\u6765\u8bf4\u6709\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p>* \u6587\u4ef6\u7684\u5b57\u8282\u6570<br \/>\n* \u6587\u4ef6\u62e5\u6709\u8005\u7684User ID<br \/>\n* \u6587\u4ef6\u7684Group ID<br \/>\n* \u6587\u4ef6\u7684\u8bfb\u3001\u5199\u3001\u6267\u884c\u6743\u9650<br \/>\n* \u6587\u4ef6\u7684\u65f6\u95f4\u6233\uff0c\u5171\u6709\u4e09\u4e2a\uff1actime\u6307inode\u4e0a\u4e00\u6b21\u53d8\u52a8\u7684\u65f6\u95f4\uff0cmtime\u6307\u6587\u4ef6\u5185\u5bb9\u4e0a\u4e00\u6b21\u53d8\u52a8\u7684\u65f6\u95f4\uff0catime\u6307\u6587\u4ef6\u4e0a\u4e00\u6b21\u6253\u5f00\u7684\u65f6\u95f4\u3002<br \/>\n* \u94fe\u63a5\u6570\uff0c\u5373\u6709\u591a\u5c11\u6587\u4ef6\u540d\u6307\u5411\u8fd9\u4e2ainode<br \/>\n* \u6587\u4ef6\u6570\u636eblock\u7684\u4f4d\u7f6e<\/p>\n<p>\u53ef\u4ee5\u7528stat\u547d\u4ee4\uff0c\u67e5\u770b\u67d0\u4e2a\u6587\u4ef6\u7684inode\u4fe1\u606f\uff1a<br \/>\nstat example.txt<\/p>\n<p><strong><span style=\"color: #ff0000;\">\u603b\u4e4b\uff0c\u9664\u4e86\u6587\u4ef6\u540d\u4ee5\u5916\u7684\u6240\u6709\u6587\u4ef6\u4fe1\u606f\uff0c\u90fd\u5b58\u5728inode\u4e4b\u4e2d\u3002<\/span><\/strong>\u81f3\u4e8e\u4e3a\u4ec0\u4e48\u6ca1\u6709\u6587\u4ef6\u540d\uff0c\u4e0b\u6587\u4f1a\u6709\u8be6\u7ec6\u89e3\u91ca\u3002<\/p>\n<h6 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u4e09\u3001inode\u7684\u5927\u5c0f\">\u4e09\u3001inode\u7684\u5927\u5c0f<\/h6>\n<p>inode\u4e5f\u4f1a\u6d88\u8017\u786c\u76d8\u7a7a\u95f4\uff0c\u6240\u4ee5\u786c\u76d8\u683c\u5f0f\u5316\u7684\u65f6\u5019\uff0c\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u5c06\u786c\u76d8\u5206\u6210\u4e24\u4e2a\u533a\u57df\u3002\u4e00\u4e2a\u662f\u6570\u636e\u533a\uff0c\u5b58\u653e\u6587\u4ef6\u6570\u636e\uff1b\u53e6\u4e00\u4e2a\u662finode\u533a\uff08inode table\uff09\uff0c\u5b58\u653einode\u6240\u5305\u542b\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u6bcf\u4e2ainode\u8282\u70b9\u7684\u5927\u5c0f\uff0c\u4e00\u822c\u662f128\u5b57\u8282\u6216256\u5b57\u8282\u3002inode\u8282\u70b9\u7684\u603b\u6570\uff0c\u5728\u683c\u5f0f\u5316\u65f6\u5c31\u7ed9\u5b9a\uff0c\u4e00\u822c\u662f\u6bcf1KB\u6216\u6bcf2KB\u5c31\u8bbe\u7f6e\u4e00\u4e2ainode\u3002\u5047\u5b9a\u5728\u4e00\u57571GB\u7684\u786c\u76d8\u4e2d\uff0c\u6bcf\u4e2ainode\u8282\u70b9\u7684\u5927\u5c0f\u4e3a128\u5b57\u8282\uff0c\u6bcf1KB\u5c31\u8bbe\u7f6e\u4e00\u4e2ainode\uff0c\u90a3\u4e48inode table\u7684\u5927\u5c0f\u5c31\u4f1a\u8fbe\u5230128MB\uff0c\u5360\u6574\u5757\u786c\u76d8\u768412.8%\u3002<\/p>\n<p>\u67e5\u770b\u6bcf\u4e2a\u786c\u76d8\u5206\u533a\u7684inode\u603b\u6570\u548c\u5df2\u7ecf\u4f7f\u7528\u7684\u6570\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528df\u547d\u4ee4\u3002<\/p>\n<p><code>df -i<\/code><\/p>\n<p>\u67e5\u770b\u6bcf\u4e2ainode\u8282\u70b9\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p><code>sudo dumpe2fs -h \/dev\/hda | grep \"Inode size\"<\/code><\/p>\n<p><span style=\"color: #ff0000;\">\u7531\u4e8e\u6bcf\u4e2a\u6587\u4ef6\u90fd\u5fc5\u987b\u6709\u4e00\u4e2ainode\uff0c\u56e0\u6b64\u6709\u53ef\u80fd\u53d1\u751finode\u5df2\u7ecf\u7528\u5149\uff0c\u4f46\u662f\u786c\u76d8\u8fd8\u672a\u5b58\u6ee1\u7684\u60c5\u51b5\u3002\u8fd9\u65f6\uff0c\u5c31\u65e0\u6cd5\u5728\u786c\u76d8\u4e0a\u521b\u5efa\u65b0\u6587\u4ef6\u3002<\/span><\/p>\n<h6 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u56db\u3001inode\u53f7\u7801\">\u56db\u3001inode\u53f7\u7801<\/h6>\n<p>\u6bcf\u4e2ainode\u90fd\u6709\u4e00\u4e2a\u53f7\u7801\uff0c\u64cd\u4f5c\u7cfb\u7edf\u7528inode\u53f7\u7801\u6765\u8bc6\u522b\u4e0d\u540c\u7684\u6587\u4ef6\u3002<\/p>\n<p>\u8fd9\u91cc\u503c\u5f97\u91cd\u590d\u4e00\u904d\uff0cUnix\/Linux\u7cfb\u7edf\u5185\u90e8\u4e0d\u4f7f\u7528\u6587\u4ef6\u540d\uff0c\u800c\u4f7f\u7528inode\u53f7\u7801\u6765\u8bc6\u522b\u6587\u4ef6\u3002\u5bf9\u4e8e\u7cfb\u7edf\u6765\u8bf4\uff0c\u6587\u4ef6\u540d\u53ea\u662finode\u53f7\u7801\u4fbf\u4e8e\u8bc6\u522b\u7684\u522b\u79f0\u6216\u8005\u7ef0\u53f7\u3002<\/p>\n<p>\u8868\u9762\u4e0a\uff0c\u7528\u6237\u901a\u8fc7\u6587\u4ef6\u540d\uff0c\u6253\u5f00\u6587\u4ef6\u3002\u5b9e\u9645\u4e0a\uff0c\u7cfb\u7edf\u5185\u90e8\u8fd9\u4e2a\u8fc7\u7a0b\u5206\u6210\u4e09\u6b65\uff1a\u9996\u5148\uff0c\u7cfb\u7edf\u627e\u5230\u8fd9\u4e2a\u6587\u4ef6\u540d\u5bf9\u5e94\u7684inode\u53f7\u7801\uff1b\u5176\u6b21\uff0c\u901a\u8fc7inode\u53f7\u7801\uff0c\u83b7\u53d6inode\u4fe1\u606f\uff1b\u6700\u540e\uff0c\u6839\u636einode\u4fe1\u606f\uff0c\u627e\u5230\u6587\u4ef6\u6570\u636e\u6240\u5728\u7684block\uff0c\u8bfb\u51fa\u6570\u636e\u3002<\/p>\n<p>\u4f7f\u7528ls -i\u547d\u4ee4\uff0c\u53ef\u4ee5\u770b\u5230\u6587\u4ef6\u540d\u5bf9\u5e94\u7684inode\u53f7\u7801\uff08\u7b2c\u4e00\u4e2a\u6570\u5b57\uff09\uff1a<\/p>\n<p><code>ls -i example.txt<\/code><\/p>\n<h6 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u4e94\u3001\u76ee\u5f55\u6587\u4ef6\">\u4e94\u3001\u76ee\u5f55\u6587\u4ef6<\/h6>\n<p>Unix\/Linux\u7cfb\u7edf\u4e2d\uff0c\u76ee\u5f55\uff08directory\uff09\u4e5f\u662f\u4e00\u79cd\u6587\u4ef6\u3002\u6253\u5f00\u76ee\u5f55\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u6253\u5f00\u76ee\u5f55\u6587\u4ef6\u3002<\/p>\n<p>\u76ee\u5f55\u6587\u4ef6\u7684\u7ed3\u6784\u975e\u5e38\u7b80\u5355\uff0c\u5c31\u662f\u4e00\u7cfb\u5217\u76ee\u5f55\u9879\uff08dirent\uff09\u7684\u5217\u8868\u3002\u6bcf\u4e2a\u76ee\u5f55\u9879\uff0c\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff1a\u6240\u5305\u542b\u6587\u4ef6\u7684\u6587\u4ef6\u540d\uff0c\u4ee5\u53ca\u8be5\u6587\u4ef6\u540d\u5bf9\u5e94\u7684inode\u53f7\u7801\u3002<\/p>\n<p>ls\u547d\u4ee4\u53ea\u5217\u51fa\u76ee\u5f55\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u6587\u4ef6\u540d\uff1a<br \/>\n<code>ls \/etc<\/code><\/p>\n<p>ls -i\u547d\u4ee4\u5217\u51fa\u6574\u4e2a\u76ee\u5f55\u6587\u4ef6\uff0c\u5373inode\u53f7\u7801\u548c\u6587\u4ef6\u540d\uff1a<br \/>\n<code>ls -i \/etc<\/code><\/p>\n<p>\u5982\u679c\u8981\u67e5\u770b\u6587\u4ef6\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5c31\u5fc5\u987b\u6839\u636einode\u53f7\u7801\uff0c\u8bbf\u95eeinode\u8282\u70b9\uff0c\u8bfb\u53d6\u4fe1\u606f\u3002ls -l\u547d\u4ee4\u5217\u51fa\u6587\u4ef6\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<br \/>\n<code>ls -l \/etc<\/code><\/p>\n<p><strong>\u7406\u89e3\u4e86\u4e0a\u9762\u8fd9\u4e9b\u77e5\u8bc6\uff0c\u5c31\u80fd\u7406\u89e3\u76ee\u5f55\u7684\u6743\u9650\u3002<span style=\"color: #ff0000;\">\u76ee\u5f55\u6587\u4ef6\u7684\u8bfb\u6743\u9650\uff08r\uff09\u548c\u5199\u6743\u9650\uff08w\uff09\uff0c\u90fd\u662f\u9488\u5bf9\u76ee\u5f55\u6587\u4ef6\u672c\u8eab\u3002\u7531\u4e8e\u76ee\u5f55\u6587\u4ef6\u5185\u53ea\u6709\u6587\u4ef6\u540d\u548cinode\u53f7\u7801\uff0c\u6240\u4ee5\u5982\u679c\u53ea\u6709\u8bfb\u6743\u9650\uff0c\u53ea\u80fd\u83b7\u53d6\u6587\u4ef6\u540d\uff0c\u65e0\u6cd5\u83b7\u53d6\u5176\u4ed6\u4fe1\u606f\uff0c\u56e0\u4e3a\u5176\u4ed6\u4fe1\u606f\u90fd\u50a8\u5b58\u5728inode\u8282\u70b9\u4e2d\uff0c\u800c\u8bfb\u53d6inode\u8282\u70b9\u5185\u7684\u4fe1\u606f\u9700\u8981\u76ee\u5f55\u6587\u4ef6\u7684\u6267\u884c\u6743\u9650\uff08x\uff09\u3002<\/span><\/strong><\/p>\n<h6 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u516d\u3001\u786c\u94fe\u63a5\">\u516d\u3001\u786c\u94fe\u63a5<\/h6>\n<p>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6587\u4ef6\u540d\u548cinode\u53f7\u7801\u662f&#8221;\u4e00\u4e00\u5bf9\u5e94&#8221;\u5173\u7cfb\uff0c\u6bcf\u4e2ainode\u53f7\u7801\u5bf9\u5e94\u4e00\u4e2a\u6587\u4ef6\u540d\u3002\u4f46\u662f\uff0cUnix\/Linux\u7cfb\u7edf\u5141\u8bb8\uff0c\u591a\u4e2a\u6587\u4ef6\u540d\u6307\u5411\u540c\u4e00\u4e2ainode\u53f7\u7801\u3002<\/p>\n<p>\u8fd9\u610f\u5473\u7740\uff0c\u53ef\u4ee5\u7528\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u8bbf\u95ee\u540c\u6837\u7684\u5185\u5bb9\uff1b\u5bf9\u6587\u4ef6\u5185\u5bb9\u8fdb\u884c\u4fee\u6539\uff0c\u4f1a\u5f71\u54cd\u5230\u6240\u6709\u6587\u4ef6\u540d\uff1b\u4f46\u662f\uff0c\u5220\u9664\u4e00\u4e2a\u6587\u4ef6\u540d\uff0c\u4e0d\u5f71\u54cd\u53e6\u4e00\u4e2a\u6587\u4ef6\u540d\u7684\u8bbf\u95ee\u3002\u8fd9\u79cd\u60c5\u51b5\u5c31\u88ab\u79f0\u4e3a&#8221;\u786c\u94fe\u63a5&#8221;\uff08hard link\uff09\u3002<\/p>\n<p>ln\u547d\u4ee4\u53ef\u4ee5\u521b\u5efa\u786c\u94fe\u63a5\uff1a<br \/>\n<code>ln \u6e90\u6587\u4ef6 \u76ee\u6807\u6587\u4ef6<\/code><\/p>\n<p>\u8fd0\u884c\u4e0a\u9762\u8fd9\u6761\u547d\u4ee4\u4ee5\u540e\uff0c\u6e90\u6587\u4ef6\u4e0e\u76ee\u6807\u6587\u4ef6\u7684inode\u53f7\u7801\u76f8\u540c\uff0c\u90fd\u6307\u5411\u540c\u4e00\u4e2ainode\u3002inode\u4fe1\u606f\u4e2d\u6709\u4e00\u9879\u53eb\u505a&#8221;\u94fe\u63a5\u6570&#8221;\uff0c\u8bb0\u5f55\u6307\u5411\u8be5inode\u7684\u6587\u4ef6\u540d\u603b\u6570\uff0c\u8fd9\u65f6\u5c31\u4f1a\u589e\u52a01\u3002<br \/>\n\u53cd\u8fc7\u6765\uff0c\u5220\u9664\u4e00\u4e2a\u6587\u4ef6\u540d\uff0c\u5c31\u4f1a\u4f7f\u5f97inode\u8282\u70b9\u4e2d\u7684&#8221;\u94fe\u63a5\u6570&#8221;\u51cf1\u3002\u5f53\u8fd9\u4e2a\u503c\u51cf\u52300\uff0c\u8868\u660e\u6ca1\u6709\u6587\u4ef6\u540d\u6307\u5411\u8fd9\u4e2ainode\uff0c\u7cfb\u7edf\u5c31\u4f1a\u56de\u6536\u8fd9\u4e2ainode\u53f7\u7801\uff0c\u4ee5\u53ca\u5176\u6240\u5bf9\u5e94block\u533a\u57df\u3002<br \/>\n\u8fd9\u91cc\u987a\u4fbf\u8bf4\u4e00\u4e0b\u76ee\u5f55\u6587\u4ef6\u7684&#8221;\u94fe\u63a5\u6570&#8221;\u3002\u521b\u5efa\u76ee\u5f55\u65f6\uff0c\u9ed8\u8ba4\u4f1a\u751f\u6210\u4e24\u4e2a\u76ee\u5f55\u9879\uff1a&#8221;.&#8221;\u548c&#8221;..&#8221;\u3002\u524d\u8005\u7684inode\u53f7\u7801\u5c31\u662f\u5f53\u524d\u76ee\u5f55\u7684inode\u53f7\u7801\uff0c\u7b49\u540c\u4e8e\u5f53\u524d\u76ee\u5f55\u7684&#8221;\u786c\u94fe\u63a5&#8221;\uff1b\u540e\u8005\u7684inode\u53f7\u7801\u5c31\u662f\u5f53\u524d\u76ee\u5f55\u7684\u7236\u76ee\u5f55\u7684inode\u53f7\u7801\uff0c\u7b49\u540c\u4e8e\u7236\u76ee\u5f55\u7684&#8221;\u786c\u94fe\u63a5&#8221;\u3002\u6240\u4ee5\uff0c<span style=\"color: #ff0000;\">\u4efb\u4f55\u4e00\u4e2a\u76ee\u5f55\u7684&#8221;\u786c\u94fe\u63a5&#8221;\u603b\u6570\uff0c\u603b\u662f\u7b49\u4e8e2\u52a0\u4e0a\u5b83\u7684\u5b50\u76ee\u5f55\u603b\u6570\uff08\u542b\u9690\u85cf\u76ee\u5f55\uff09\u3002<\/span><\/p>\n<h6 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u4e03\u3001\u8f6f\u94fe\u63a5\">\u4e03\u3001\u8f6f\u94fe\u63a5<\/h6>\n<p>\u9664\u4e86\u786c\u94fe\u63a5\u4ee5\u5916\uff0c\u8fd8\u6709\u4e00\u79cd\u7279\u6b8a\u60c5\u51b5\u3002<\/p>\n<p>\u6587\u4ef6A\u548c\u6587\u4ef6B\u7684inode\u53f7\u7801\u867d\u7136\u4e0d\u4e00\u6837\uff0c\u4f46\u662f\u6587\u4ef6A\u7684\u5185\u5bb9\u662f\u6587\u4ef6B\u7684\u8def\u5f84\u3002\u8bfb\u53d6\u6587\u4ef6A\u65f6\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5c06\u8bbf\u95ee\u8005\u5bfc\u5411\u6587\u4ef6B\u3002\u56e0\u6b64\uff0c\u65e0\u8bba\u6253\u5f00\u54ea\u4e00\u4e2a\u6587\u4ef6\uff0c\u6700\u7ec8\u8bfb\u53d6\u7684\u90fd\u662f\u6587\u4ef6B\u3002\u8fd9\u65f6\uff0c\u6587\u4ef6A\u5c31\u79f0\u4e3a\u6587\u4ef6B\u7684&#8221;\u8f6f\u94fe\u63a5&#8221;\uff08soft link\uff09\u6216\u8005&#8221;\u7b26\u53f7\u94fe\u63a5\uff08symbolic link\uff09\u3002<\/p>\n<p>\u8fd9\u610f\u5473\u7740\uff0c\u6587\u4ef6A\u4f9d\u8d56\u4e8e\u6587\u4ef6B\u800c\u5b58\u5728\uff0c\u5982\u679c\u5220\u9664\u4e86\u6587\u4ef6B\uff0c\u6253\u5f00\u6587\u4ef6A\u5c31\u4f1a\u62a5\u9519\uff1a&#8221;No such file or directory&#8221;\u3002\u8fd9\u662f\u8f6f\u94fe\u63a5\u4e0e\u786c\u94fe\u63a5\u6700\u5927\u7684\u4e0d\u540c\uff1a\u6587\u4ef6A\u6307\u5411\u6587\u4ef6B\u7684\u6587\u4ef6\u540d\uff0c\u800c\u4e0d\u662f\u6587\u4ef6B\u7684inode\u53f7\u7801\uff0c\u6587\u4ef6B\u7684inode&#8221;\u94fe\u63a5\u6570&#8221;\u4e0d\u4f1a\u56e0\u6b64\u53d1\u751f\u53d8\u5316\u3002<\/p>\n<p>ln -s \u547d\u4ee4\u53ef\u4ee5\u521b\u5efa\u8f6f\u94fe\u63a5\uff1a<br \/>\n<code>ln -s \u6e90\u6587\u6587\u4ef6\u6216\u76ee\u5f55 \u76ee\u6807\u6587\u4ef6\u6216\u76ee\u5f55<\/code><\/p>\n<h6 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u516b\u3001inode\u7684\u7279\u6b8a\u4f5c\u7528\">\u516b\u3001inode\u7684\u7279\u6b8a\u4f5c\u7528<\/h6>\n<p>\u7531\u4e8einode\u53f7\u7801\u4e0e\u6587\u4ef6\u540d\u5206\u79bb\uff0c\u8fd9\u79cd\u673a\u5236\u5bfc\u81f4\u4e86\u4e00\u4e9bUnix\/Linux\u7cfb\u7edf\u7279\u6709\u7684\u73b0\u8c61\u3002<br \/>\n1. \u6709\u65f6\uff0c\u6587\u4ef6\u540d\u5305\u542b\u7279\u6b8a\u5b57\u7b26\uff0c\u65e0\u6cd5\u6b63\u5e38\u5220\u9664\u3002\u8fd9\u65f6\uff0c\u76f4\u63a5\u5220\u9664inode\u8282\u70b9\uff0c\u5c31\u80fd\u8d77\u5230\u5220\u9664\u6587\u4ef6\u7684\u4f5c\u7528\u3002<br \/>\n2. \u79fb\u52a8\u6587\u4ef6\u6216\u91cd\u547d\u540d\u6587\u4ef6\uff0c\u53ea\u662f\u6539\u53d8\u6587\u4ef6\u540d\uff0c\u4e0d\u5f71\u54cdinode\u53f7\u7801\u3002<br \/>\n3. \u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\u4ee5\u540e\uff0c\u7cfb\u7edf\u5c31\u4ee5inode\u53f7\u7801\u6765\u8bc6\u522b\u8fd9\u4e2a\u6587\u4ef6\uff0c\u4e0d\u518d\u8003\u8651\u6587\u4ef6\u540d\u3002\u56e0\u6b64\uff0c\u901a\u5e38\u6765\u8bf4\uff0c\u7cfb\u7edf\u65e0\u6cd5\u4eceinode\u53f7\u7801\u5f97\u77e5\u6587\u4ef6\u540d\u3002<br \/>\n\u7b2c3\u70b9\u4f7f\u5f97\u8f6f\u4ef6\u66f4\u65b0\u53d8\u5f97\u7b80\u5355\uff0c\u53ef\u4ee5\u5728\u4e0d\u5173\u95ed\u8f6f\u4ef6\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u66f4\u65b0\uff0c\u4e0d\u9700\u8981\u91cd\u542f\u3002\u56e0\u4e3a\u7cfb\u7edf\u901a\u8fc7inode\u53f7\u7801\uff0c\u8bc6\u522b\u8fd0\u884c\u4e2d\u7684\u6587\u4ef6\uff0c\u4e0d\u901a\u8fc7\u6587\u4ef6\u540d\u3002\u66f4\u65b0\u7684\u65f6\u5019\uff0c\u65b0\u7248\u6587\u4ef6\u4ee5\u540c\u6837\u7684\u6587\u4ef6\u540d\uff0c\u751f\u6210\u4e00\u4e2a\u65b0\u7684inode\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5230\u8fd0\u884c\u4e2d\u7684\u6587\u4ef6\u3002\u7b49\u5230\u4e0b\u4e00\u6b21\u8fd0\u884c\u8fd9\u4e2a\u8f6f\u4ef6\u7684\u65f6\u5019\uff0c\u6587\u4ef6\u540d\u5c31\u81ea\u52a8\u6307\u5411\u65b0\u7248\u6587\u4ef6\uff0c\u65e7\u7248\u6587\u4ef6\u7684inode\u5219\u88ab\u56de\u6536\u3002<\/p>\n<h5 id=\"Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\u7406\u89e3-\u53c2\u8003\u94fe\u63a5\uff1a\">\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n<ul>\n<li>\u7406\u89e3inode<br \/>\n<a class=\"external-link\" href=\"http:\/\/www.ruanyifeng.com\/blog\/2011\/12\/inode.html\" target=\"_blank\" rel=\"nofollow\">http:\/\/www.ruanyifeng.com\/blog\/2011\/12\/inode.html<\/a><br \/>\n<a class=\"external-link\" href=\"https:\/\/zh.wikipedia.org\/wiki\/Inode\" target=\"_blank\" rel=\"nofollow\">https:\/\/zh.wikipedia.org\/wiki\/Inode<\/a><\/li>\n<li>\u5bf9\u8bdd UNIX: \u5173\u4e8e inode<br \/>\n<a class=\"external-link\" href=\"https:\/\/www.ibm.com\/developerworks\/cn\/aix\/library\/au-speakingunix14\/\" target=\"_blank\" rel=\"nofollow\">https:\/\/www.ibm.com\/developerworks\/cn\/aix\/library\/au-speakingunix14\/<\/a><\/li>\n<li>Linux\u7684inode\u7684\u7406\u89e3<br \/>\n<a class=\"external-link\" href=\"http:\/\/ityunwei2017.blog.51cto.com\/7662323\/1539481\" target=\"_blank\" rel=\"nofollow\">http:\/\/ityunwei2017.blog.51cto.com\/7662323\/1539481<\/a><\/li>\n<li>\u4e00\u5929\u4e00\u70b9\u5b66\u4e60Linux\u4e4bInode\u8be6\u89e3<br \/>\n<a class=\"external-link\" href=\"http:\/\/www.opsers.org\/base\/one-day-the-little-learning-linux-inode-detailed.html\" target=\"_blank\" rel=\"nofollow\">http:\/\/www.opsers.org\/base\/one-day-the-little-learning-linux-inode-detailed.html<\/a><\/li>\n<li>Linux\u6587\u4ef6\u7cfb\u7edf\u57fa\u7840\u4e4binode\u548cdentry<br \/>\n<a class=\"external-link\" href=\"http:\/\/codefine.co\/2593.html\" target=\"_blank\" rel=\"nofollow\">http:\/\/codefine.co\/2593.html<\/a><\/li>\n<li>Linux Inode\u76f8\u5173\u77e5\u8bc6<br \/>\n<a class=\"external-link\" href=\"http:\/\/blog.fangjian.me\/posts\/2010\/10\/21\/linux-inode\/\" target=\"_blank\" rel=\"nofollow\">http:\/\/blog.fangjian.me\/posts\/2010\/10\/21\/linux-inode\/<\/a><\/li>\n<li>\u8f6f\u786c\u94fe\u63a5\u7684\u533a\u522b<br \/>\n<a class=\"external-link\" href=\"http:\/\/linuxgazette.net\/105\/pitcher.html\" target=\"_blank\" rel=\"nofollow\">http:\/\/linuxgazette.net\/105\/pitcher.html<\/a><\/li>\n<li>\u5982\u4f55\u91ca\u653e inode \u4f7f\u7528<br \/>\n<a class=\"external-link\" href=\"http:\/\/stackoverflow.com\/questions\/653096\/how-to-free-inode-usage\" target=\"_blank\" rel=\"nofollow\">http:\/\/stackoverflow.com\/questions\/653096\/how-to-free-inode-usage<\/a><\/li>\n<li>\u67e5\u770b inode \u4e3b\u8981\u662f\u88ab\u54ea\u4e9b\u5730\u65b9\u4f7f\u7528\u4e86<br \/>\n<a class=\"external-link\" href=\"http:\/\/unix.stackexchange.com\/questions\/117093\/find-where-inodes-are-being-used\" target=\"_blank\" rel=\"nofollow\">http:\/\/unix.stackexchange.com\/questions\/117093\/find-where-inodes-are-being-used<\/a><\/li>\n<li>StackOverflow\u4e0a\u5173\u4e8einode\u7684\u76f8\u5173\u95ee\u9898<br \/>\n<a class=\"external-link\" href=\"http:\/\/stackoverflow.com\/questions\/tagged\/inode?sort=votes&amp;pageSize=15\" target=\"_blank\" rel=\"nofollow\">http:\/\/stackoverflow.com\/questions\/tagged\/inode?sort=votes&amp;pageSize=15<\/a><\/li>\n<\/ul>\n<p>=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a \u7406\u89e3Linux\u4e2dinode\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5de9\u56fa\u6240\u5b66\u77e5\u8bc6\uff0c\u4ee5\u65b9\u4fbf\u4ee5\u540e\u8fdb\u884c\u95ee\u9898\u5b9a\u4f4d\u3002 \u6b63\u6587\uff1a  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,11],"tags":[758,30],"class_list":["post-3235","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-linux","tag-inode","tag-linux"],"views":2639,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3235","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=3235"}],"version-history":[{"count":1,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3235\/revisions"}],"predecessor-version":[{"id":3236,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3235\/revisions\/3236"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=3235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=3235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=3235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}