{"id":89946,"date":"2024-10-18T14:09:18","date_gmt":"2024-10-18T06:09:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/89946\/"},"modified":"2024-10-18T14:09:18","modified_gmt":"2024-10-18T06:09:18","slug":"ora-27090-unable-to-reserve-kernel-resources-for-asynchronous-disk-i-o-oracle%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/89946\/","title":{"rendered":"ORA-27090: Unable to reserve kernel resources for asynchronous disk I\/O ORACLE\u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-27090-unable-to-reserve-kernel-resources-for-asynchronous-disk-i-o-kqQWaGZJvY\">ORA-27090: Unable to Reserve Kernel Resources for Asynchronous Disk I\/O<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\u4ee3\u78bc <code>ORA-27090<\/code>\uff0c\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a\u7cfb\u7d71\u7121\u6cd5\u70ba\u7570\u6b65\u78c1\u789fI\/O\u4fdd\u7559\u5167\u6838\u8cc7\u6e90\u3002\u9019\u662f\u4e00\u500b\u76f8\u5c0d\u5e38\u898b\u7684\u554f\u984c\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u8ca0\u8f09\u6216\u8cc7\u6e90\u6709\u9650\u7684\u74b0\u5883\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-kqQWaGZJvY\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>\u7576Oracle\u6578\u64da\u5eab\u5617\u8a66\u9032\u884c\u7570\u6b65\u78c1\u789fI\/O\u64cd\u4f5c\u6642\uff0c\u7cfb\u7d71\u9700\u8981\u5206\u914d\u4e00\u5b9a\u7684\u5167\u6838\u8cc7\u6e90\u3002\u5982\u679c\u9019\u4e9b\u8cc7\u6e90\u7121\u6cd5\u88ab\u6210\u529f\u5206\u914d\uff0c\u5c31\u6703\u51fa\u73fe <code>ORA-27090<\/code> \u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u7cfb\u7d71\u8cc7\u6e90\u4e0d\u8db3\uff1a<\/strong>\u5982\u679c\u7cfb\u7d71\u7684\u5167\u5b58\u6216CPU\u8cc7\u6e90\u4e0d\u8db3\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7121\u6cd5\u5206\u914d\u6240\u9700\u7684\u5167\u6838\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u5167\u6838\u53c3\u6578\u914d\u7f6e\u4e0d\u7576\uff1a<\/strong>\u67d0\u4e9b\u5167\u6838\u53c3\u6578\uff08\u5982 <code>aio-max-nr<\/code>\uff09\u53ef\u80fd\u672a\u6b63\u78ba\u914d\u7f6e\uff0c\u5c0e\u81f4\u7121\u6cd5\u652f\u6301\u7570\u6b65I\/O\u3002<\/li>\n<li><strong>\u6587\u4ef6\u7cfb\u7d71\u554f\u984c\uff1a<\/strong>\u5982\u679c\u6587\u4ef6\u7cfb\u7d71\u5b58\u5728\u554f\u984c\uff0c\u53ef\u80fd\u6703\u5f71\u97ffI\/O\u64cd\u4f5c\u7684\u6b63\u5e38\u9032\u884c\u3002<\/li>\n<li><strong>\u9a45\u52d5\u7a0b\u5e8f\u6216\u786c\u4ef6\u554f\u984c\uff1a<\/strong>\u4e0d\u517c\u5bb9\u7684\u9a45\u52d5\u7a0b\u5e8f\u6216\u786c\u4ef6\u6545\u969c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-kqQWaGZJvY\">\u5f71\u97ff<\/h2>\n<p>\u7576\u51fa\u73fe <code>ORA-27090<\/code> \u932f\u8aa4\u6642\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u56b4\u91cd\u5f71\u97ff\u3002\u7570\u6b65I\/O\u7684\u5931\u6557\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u5ef6\u9072\uff0c\u9032\u800c\u5f71\u97ff\u6574\u9ad4\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\u6642\u9593\u3002\u6b64\u5916\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u640d\u58de\u6216\u4e1f\u5931\uff0c\u7279\u5225\u662f\u5728\u9ad8\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-kqQWaGZJvY\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a <code>ORA-27090<\/code> \u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e7%b3%bb%e7%b5%b1%e8%b3%87%e6%ba%90-kqQWaGZJvY\">1. \u6aa2\u67e5\u7cfb\u7d71\u8cc7\u6e90<\/h3>\n<p>\u4f7f\u7528\u547d\u4ee4\u5982 <code>top<\/code> \u6216 <code>free -m<\/code> \u4f86\u6aa2\u67e5\u7cfb\u7d71\u7684\u5167\u5b58\u548cCPU\u4f7f\u7528\u60c5\u6cc1\u3002\u5982\u679c\u8cc7\u6e90\u4f7f\u7528\u7387\u904e\u9ad8\uff0c\u8003\u616e\u589e\u52a0\u786c\u4ef6\u8cc7\u6e90\u6216\u512a\u5316\u73fe\u6709\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e5%85%a7%e6%a0%b8%e5%8f%83%e6%95%b8-kqQWaGZJvY\">2. \u8abf\u6574\u5167\u6838\u53c3\u6578<\/h3>\n<p>\u6aa2\u67e5\u548c\u8abf\u6574\u8207\u7570\u6b65I\/O\u76f8\u95dc\u7684\u5167\u6838\u53c3\u6578\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u7576\u524d\u7684 <code>aio-max-nr<\/code> \u8a2d\u7f6e\uff1a<\/p>\n<pre><code>cat \/proc\/sys\/fs\/aio-max-nr<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u7de8\u8f2f <code>\/etc\/sysctl.conf<\/code> \u6587\u4ef6\u4f86\u589e\u52a0\u6b64\u503c\uff0c\u7136\u5f8c\u904b\u884c <code>sysctl -p<\/code> \u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%96%87%e4%bb%b6%e7%b3%bb%e7%b5%b1-kqQWaGZJvY\">3. \u6aa2\u67e5\u6587\u4ef6\u7cfb\u7d71<\/h3>\n<p>\u78ba\u4fdd\u6587\u4ef6\u7cfb\u7d71\u6b63\u5e38\u904b\u884c\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>fsck<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u548c\u4fee\u5fa9\u6587\u4ef6\u7cfb\u7d71\u932f\u8aa4\u3002<\/p>\n<h3 id=\"4-%e6%9b%b4%e6%96%b0%e9%a9%85%e5%8b%95%e7%a8%8b%e5%ba%8f%e5%92%8c%e7%a1%ac%e4%bb%b6-kqQWaGZJvY\">4. \u66f4\u65b0\u9a45\u52d5\u7a0b\u5e8f\u548c\u786c\u4ef6<\/h3>\n<p>\u78ba\u4fdd\u6240\u6709\u9a45\u52d5\u7a0b\u5e8f\u548c\u786c\u4ef6\u90fd\u662f\u6700\u65b0\u7684\uff0c\u4e26\u4e14\u8207\u60a8\u7684\u64cd\u4f5c\u7cfb\u7d71\u548cOracle\u7248\u672c\u517c\u5bb9\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-kqQWaGZJvY\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5982\u679c\u60a8\u7121\u6cd5\u5728\u672c\u5730\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u8003\u616e\u5c0b\u6c42\u5c08\u696d\u7684\u9060\u7a0b\u6280\u8853\u652f\u6301\u3002\u8a31\u591a\u670d\u52d9\u63d0\u4f9b\u5546\u63d0\u4f9b\u5c08\u696d\u7684\u6578\u64da\u5eab\u7ba1\u7406\u670d\u52d9\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u5feb\u901f\u89e3\u6c7a\u6b64\u985e\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kqQWaGZJvY\">\u7e3d\u7d50<\/h2>\n<p>\u9047\u5230 <code>ORA-27090<\/code> \u932f\u8aa4\u6642\uff0c\u9996\u5148\u8981\u6aa2\u67e5\u7cfb\u7d71\u8cc7\u6e90\u3001\u5167\u6838\u53c3\u6578\u3001\u6587\u4ef6\u7cfb\u7d71\u53ca\u9a45\u52d5\u7a0b\u5e8f\u7b49\u65b9\u9762\u3002\u901a\u904e\u9069\u7576\u7684\u6545\u969c\u6392\u9664\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u78ba\u4fddOracle\u6578\u64da\u5eab\u7684\u6b63\u5e38\u904b\u884c\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to troubleshoot and resolve ORA-27090: Unable to reserve kernel resources for asynchronous disk I\/O in Oracle with remote assistance.<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-89946","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89946","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=89946"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89946\/revisions"}],"predecessor-version":[{"id":89947,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89946\/revisions\/89947"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=89946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=89946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=89946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}