{"id":93604,"date":"2024-10-19T15:23:18","date_gmt":"2024-10-19T07:23:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93604\/"},"modified":"2024-10-19T15:23:19","modified_gmt":"2024-10-19T07:23:19","slug":"ora-56721-i-o-%e6%95%b8%e6%93%9a%e9%99%90%e5%88%b6%e8%b6%85%e9%81%8e-%e6%9c%83%e8%a9%b1%e7%b5%82%e6%ad%a2-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","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93604\/","title":{"rendered":"ORA-56721: I\/O \u6578\u64da\u9650\u5236\u8d85\u904e \u2013 \u6703\u8a71\u7d42\u6b62 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-56721-i-o-%e6%95%b8%e6%93%9a%e9%99%90%e5%88%b6%e8%b6%85%e9%81%8e-%e6%9c%83%e8%a9%b1%e7%b5%82%e6%ad%a2-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-fnryFbNxww\">ORA-56721: I\/O \u6578\u64da\u9650\u5236\u8d85\u904e \u2013 \u6703\u8a71\u7d42\u6b62 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-56721<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a I\/O \u6578\u64da\u9650\u5236\u8d85\u904e\uff0c\u5c0e\u81f4\u6703\u8a71\u88ab\u7d42\u6b62\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-56721-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-fnryFbNxww\">ORA-56721 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p><code>ORA-56721<\/code> \u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u5eab\u7684 I\/O \u9650\u5236\u8a2d\u7f6e\u904e\u4f4e\uff0c\u7121\u6cd5\u6eff\u8db3\u7576\u524d\u7684\u8acb\u6c42\u3002<\/li>\n<li>\u7cfb\u7d71\u8cc7\u6e90\u4e0d\u8db3\uff0c\u5c0e\u81f4\u7121\u6cd5\u8655\u7406\u66f4\u591a\u7684 I\/O \u8acb\u6c42\u3002<\/li>\n<li>\u61c9\u7528\u7a0b\u5e8f\u7684\u8a2d\u8a08\u4e0d\u7576\uff0c\u5c0e\u81f4\u904e\u591a\u7684 I\/O \u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u539f\u56e0\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u7121\u6cd5\u6b63\u5e38\u904b\u884c\uff0c\u5f71\u97ff\u696d\u52d9\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e7%9a%84%e5%bd%b1%e9%9f%bf-fnryFbNxww\">\u932f\u8aa4\u7684\u5f71\u97ff<\/h2>\n<p>\u7576 <code>ORA-56721<\/code> \u932f\u8aa4\u767c\u751f\u6642\uff0c\u6703\u8a71\u5c07\u88ab\u7d42\u6b62\uff0c\u9019\u610f\u5473\u8457\u6240\u6709\u672a\u63d0\u4ea4\u7684\u4e8b\u52d9\u5c07\u88ab\u56de\u6efe\uff0c\u4e26\u4e14\u7528\u6236\u5c07\u7121\u6cd5\u7e7c\u7e8c\u9032\u884c\u64cd\u4f5c\u3002\u9019\u4e0d\u50c5\u5f71\u97ff\u4e86\u7528\u6236\u7684\u9ad4\u9a57\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u6216\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-fnryFbNxww\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9 <code>ORA-56721<\/code> \u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5-i-o-%e9%99%90%e5%88%b6%e8%a8%ad%e7%bd%ae-fnryFbNxww\">1. \u6aa2\u67e5 I\/O \u9650\u5236\u8a2d\u7f6e<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u6578\u64da\u5eab\u7684 I\/O \u9650\u5236\u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SELECT * FROM v$resource_limit WHERE resource_name = 'IO';<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe I\/O \u9650\u5236\u904e\u4f4e\uff0c\u53ef\u4ee5\u8003\u616e\u8abf\u6574\u9019\u4e9b\u8a2d\u7f6e\u3002<\/p>\n<h3 id=\"2-%e7%9b%a3%e6%8e%a7%e7%b3%bb%e7%b5%b1%e8%b3%87%e6%ba%90-fnryFbNxww\">2. \u76e3\u63a7\u7cfb\u7d71\u8cc7\u6e90<\/h3>\n<p>\u4f7f\u7528\u7cfb\u7d71\u76e3\u63a7\u5de5\u5177\u4f86\u6aa2\u67e5 CPU\u3001\u5167\u5b58\u548c\u78c1\u789f I\/O \u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u78ba\u4fdd\u7cfb\u7d71\u8cc7\u6e90\u5145\u8db3\uff0c\u4e26\u4e14\u6c92\u6709\u5176\u4ed6\u9032\u7a0b\u4f54\u7528\u904e\u591a\u7684\u8cc7\u6e90\u3002<\/p>\n<h3 id=\"3-%e5%84%aa%e5%8c%96%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f-fnryFbNxww\">3. \u512a\u5316\u61c9\u7528\u7a0b\u5e8f<\/h3>\n<p>\u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u7684 I\/O \u64cd\u4f5c\uff0c\u78ba\u4fdd\u5176\u8a2d\u8a08\u5408\u7406\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6279\u91cf\u8655\u7406\u4f86\u6e1b\u5c11 I\/O \u8acb\u6c42\u7684\u6578\u91cf\uff0c\u6216\u8005\u4f7f\u7528\u7de9\u5b58\u6280\u8853\u4f86\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h3 id=\"4-%e9%87%8d%e5%95%9f%e6%95%b8%e6%93%9a%e5%ba%ab-fnryFbNxww\">4. \u91cd\u555f\u6578\u64da\u5eab<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u91cd\u555f\u6578\u64da\u5eab\u53ef\u80fd\u6703\u89e3\u6c7a\u66ab\u6642\u7684\u8cc7\u6e90\u554f\u984c\u3002\u9019\u53ef\u4ee5\u91cb\u653e\u88ab\u4f54\u7528\u7684\u8cc7\u6e90\uff0c\u4e26\u6062\u5fa9\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e7%9a%84%e8%80%83%e9%87%8f-fnryFbNxww\">\u9060\u7a0b\u8655\u7406\u7684\u8003\u91cf<\/h2>\n<p>\u5728\u9032\u884c\u6545\u969c\u4fee\u5fa9\u6642\uff0c\u9060\u7a0b\u8655\u7406\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002\u78ba\u4fdd\u5728\u9060\u7a0b\u9023\u63a5\u6642\uff0c\u7db2\u7d61\u7a69\u5b9a\u4e14\u5b89\u5168\uff0c\u4ee5\u907f\u514d\u5728\u4fee\u5fa9\u904e\u7a0b\u4e2d\u51fa\u73fe\u65b0\u7684\u554f\u984c\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u9060\u7a0b\u7ba1\u7406\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u6c7a\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fnryFbNxww\">\u7e3d\u7d50<\/h2>\n<p>\u9762\u5c0d <code>ORA-56721<\/code> \u932f\u8aa4\uff0c\u4e86\u89e3\u5176\u539f\u56e0\u548c\u5f71\u97ff\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u901a\u904e\u6aa2\u67e5 I\/O \u9650\u5236\u3001\u76e3\u63a7\u7cfb\u7d71\u8cc7\u6e90\u3001\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u4ee5\u53ca\u5fc5\u8981\u6642\u91cd\u555f\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u696d\u52d9\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u53ef\u7528\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-56721 \u932f\u8aa4\uff1aI\/O \u6578\u64da\u9650\u5236\u8d85\u904e\u5c0e\u81f4\u7684\u6703\u8a71\u7d42\u6b62\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u65b9\u6848\u3002<\/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-93604","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93604","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=93604"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93604\/revisions"}],"predecessor-version":[{"id":93605,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93604\/revisions\/93605"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}