{"id":176311,"date":"2024-11-08T11:50:21","date_gmt":"2024-11-08T03:50:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176311\/"},"modified":"2024-11-08T11:50:22","modified_gmt":"2024-11-08T03:50:22","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-er_sync_slave_io_thread_need_reconnect_reason_unknown","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176311\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; ER_SYNC_SLAVE_IO_THREAD_NEED_RECONNECT_REASON_UNKNOWN"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-er_sync_slave_io_thread_need_reconnect_reason_unknown-sUzsugVZCI\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; ER_SYNC_SLAVE_IO_THREAD_NEED_RECONNECT_REASON_UNKNOWN<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f\u201cER_SYNC_SLAVE_IO_THREAD_NEED_RECONNECT_REASON_UNKNOWN\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4e3b\u5f9e\u8907\u88fd\u67b6\u69cb\u4e2d\uff0c\u7279\u5225\u662f\u5728\u5f9e\u4f3a\u670d\u5668\u7684IO\u57f7\u884c\u7dd2\u7121\u6cd5\u9023\u63a5\u5230\u4e3b\u4f3a\u670d\u5668\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-sUzsugVZCI\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u7576\u5f9e\u4f3a\u670d\u5668\u7684IO\u57f7\u884c\u7dd2\u7121\u6cd5\u9023\u63a5\u5230\u4e3b\u4f3a\u670d\u5668\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u7db2\u7d61\u554f\u984c\uff1a<\/strong>\u4e3b\u5f9e\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u7db2\u7d61\u9023\u63a5\u4e0d\u7a69\u5b9a\u6216\u4e2d\u65b7\uff0c\u53ef\u80fd\u5c0e\u81f4IO\u57f7\u884c\u7dd2\u7121\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<li><strong>\u4e3b\u4f3a\u670d\u5668\u95dc\u9589\uff1a<\/strong>\u5982\u679c\u4e3b\u4f3a\u670d\u5668\u56e0\u70ba\u67d0\u7a2e\u539f\u56e0\u95dc\u9589\uff0c\u5f9e\u4f3a\u670d\u5668\u5c07\u7121\u6cd5\u9023\u63a5\u3002<\/li>\n<li><strong>\u6b0a\u9650\u554f\u984c\uff1a<\/strong>\u5f9e\u4f3a\u670d\u5668\u7684\u7528\u6236\u53ef\u80fd\u6c92\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u9023\u63a5\u4e3b\u4f3a\u670d\u5668\u3002<\/li>\n<li><strong>\u914d\u7f6e\u932f\u8aa4\uff1a<\/strong>\u5728\u5f9e\u4f3a\u670d\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53ef\u80fd\u5b58\u5728\u932f\u8aa4\u7684\u4e3b\u4f3a\u670d\u5668\u5730\u5740\u6216\u7aef\u53e3\u8a2d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%b3%95-sUzsugVZCI\">\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n<p>\u8981\u4fee\u5fa9\u201cER_SYNC_SLAVE_IO_THREAD_NEED_RECONNECT_REASON_UNKNOWN\u201d\u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6392\u67e5\u548c\u4fee\u5fa9\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e7%b6%b2%e7%b5%a1%e9%80%a3%e6%8e%a5-sUzsugVZCI\">1. \u6aa2\u67e5\u7db2\u7d61\u9023\u63a5<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4e3b\u5f9e\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u7db2\u7d61\u9023\u63a5\u6b63\u5e38\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u9023\u63a5\uff1a<\/p>\n<pre><code>ping \u4e3b\u4f3a\u670d\u5668IP\u5730\u5740<\/code><\/pre>\n<p>\u5982\u679c\u7121\u6cd5ping\u901a\uff0c\u5247\u9700\u8981\u6aa2\u67e5\u7db2\u7d61\u8a2d\u7f6e\u548c\u9632\u706b\u7246\u898f\u5247\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e4%b8%bb%e4%bc%ba%e6%9c%8d%e5%99%a8%e9%81%8b%e8%a1%8c%e7%8b%80%e6%85%8b-sUzsugVZCI\">2. \u78ba\u8a8d\u4e3b\u4f3a\u670d\u5668\u904b\u884c\u72c0\u614b<\/h3>\n<p>\u78ba\u4fdd\u4e3b\u4f3a\u670d\u5668\u6b63\u5728\u904b\u884c\u3002\u53ef\u4ee5\u901a\u904eSSH\u767b\u9304\u5230\u4e3b\u4f3a\u670d\u5668\u4e26\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5MySQL\u670d\u52d9\u72c0\u614b\uff1a<\/p>\n<pre><code>systemctl status mysql<\/code><\/pre>\n<p>\u5982\u679c\u670d\u52d9\u672a\u904b\u884c\uff0c\u5247\u9700\u8981\u555f\u52d5\u5b83\uff1a<\/p>\n<pre><code>systemctl start mysql<\/code><\/pre>\n<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90-sUzsugVZCI\">3. \u6aa2\u67e5\u7528\u6236\u6b0a\u9650<\/h3>\n<p>\u78ba\u4fdd\u5f9e\u4f3a\u670d\u5668\u7684\u7528\u6236\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u9023\u63a5\u4e3b\u4f3a\u670d\u5668\u3002\u53ef\u4ee5\u5728\u4e3b\u4f3a\u670d\u5668\u4e0a\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u7528\u6236\u6b0a\u9650\uff1a<\/p>\n<pre><code>SHOW GRANTS FOR '\u7528\u6236\u540d'@'\u5f9e\u4f3a\u670d\u5668IP';<\/code><\/pre>\n<p>\u5982\u679c\u6b0a\u9650\u4e0d\u8db3\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6388\u4e88\u5fc5\u8981\u7684\u6b0a\u9650\uff1a<\/p>\n<pre><code>GRANT REPLICATION SLAVE ON *.* TO '\u7528\u6236\u540d'@'\u5f9e\u4f3a\u670d\u5668IP';<\/code><\/pre>\n<\/p>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-sUzsugVZCI\">4. \u6aa2\u67e5\u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>\u6aa2\u67e5\u5f9e\u4f3a\u670d\u5668\u7684MySQL\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662fmy.cnf\u6216my.ini\uff09\uff0c\u78ba\u4fdd\u4e3b\u4f3a\u670d\u5668\u7684\u5730\u5740\u548c\u7aef\u53e3\u8a2d\u7f6e\u6b63\u78ba\u3002\u914d\u7f6e\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<pre><code>[mysqld]\nserver-id=2\nreplicate-do-db=your_database\nmaster-host=\u4e3b\u4f3a\u670d\u5668IP\nmaster-user=\u7528\u6236\u540d\nmaster-password=\u5bc6\u78bc\nmaster-port=3306<\/code><\/pre>\n<h3 id=\"5-%e9%87%8d%e5%95%9f%e5%be%9e%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%9a%84io%e5%9f%b7%e8%a1%8c%e7%b7%92-sUzsugVZCI\">5. \u91cd\u555f\u5f9e\u4f3a\u670d\u5668\u7684IO\u57f7\u884c\u7dd2<\/h3>\n<p>\u5728\u5b8c\u6210\u4e0a\u8ff0\u6aa2\u67e5\u548c\u4fee\u5fa9\u5f8c\uff0c\u53ef\u4ee5\u91cd\u555f\u5f9e\u4f3a\u670d\u5668\u7684IO\u57f7\u884c\u7dd2\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>STOP SLAVE;\nSTART SLAVE;<\/code><\/pre>\n<p>\u7136\u5f8c\u6aa2\u67e5\u5f9e\u4f3a\u670d\u5668\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SHOW SLAVE STATUSG;<\/code><\/pre>\n<p>\u78ba\u4fdd\u201cSlave_IO_Running\u201d\u548c\u201cSlave_SQL_Running\u201d\u90fd\u986f\u793a\u70ba\u201cYes\u201d\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-sUzsugVZCI\">\u7e3d\u7d50<\/h2>\n<p>\u4fee\u5fa9MySQL\u932f\u8aa4\u201cER_SYNC_SLAVE_IO_THREAD_NEED_RECONNECT_REASON_UNKNOWN\u201d\u9700\u8981\u4ed4\u7d30\u6aa2\u67e5\u7db2\u7d61\u9023\u63a5\u3001\u4f3a\u670d\u5668\u72c0\u614b\u3001\u7528\u6236\u6b0a\u9650\u548c\u914d\u7f6e\u6587\u4ef6\u3002\u901a\u904e\u9019\u4e9b\u6b65\u9a5f\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u78ba\u4fdd\u4e3b\u5f9e\u8907\u88fd\u7684\u6b63\u5e38\u904b\u884c\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4ER_SYNC_SLAVE_IO_THREAD_NEED_RECONNECT_REASON_UNKNOWN\uff0c\u78ba\u4fdd\u6578\u64da\u540c\u6b65\u6b63\u5e38\u904b\u884c\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-176311","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176311","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=176311"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176311\/revisions"}],"predecessor-version":[{"id":176312,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176311\/revisions\/176312"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=176311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=176311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=176311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}