1"use strict";(globalThis.webpackChunkdocs_new=globalThis.webpackChunkdocs_new||[]).push([[5018,46537,84302],{28453:(e,n,r)=>{r.d(n,{R:()=>d,x:()=>l});var i=r(96540);const s={},a=i.createContext(s);function d(e){const n=i.useContext(a);return i.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function l(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(s):e.components||s:d(e.components),i.createElement(a.Provider,{value:n},e.children)}},72914:(e,n,r)=>{r.r(n),r.d(n,{assets:()=>c,contentTitle:()=>l,default:()=>t,frontMatter:()=>d,metadata:()=>i,toc:()=>o});const i=JSON.parse('{"id":"operations/databases/mysql_ha_recovery","title":"MariaDB \u53cc\u4e3b\u540c\u6b65\u6062\u590d","description":"\u4ecb\u7ecdMariaDB\u53cc\u4e3b\u9ad8\u53ef\u7528\u4e3b\u4ece\u540c\u6b65\u5931\u6548\u7684\u6062\u590d\u6d41\u7a0b\u3002","source":"@site/docs/shared/operations/databases/mysql_ha_recovery.md","sourceDirName":"operations/databases","slug":"/operations/databases/mysql_ha_recovery","permalink":"/docs/shared/operations/databases/mysql_ha_recovery","draft":false,"unlisted":false,"editUrl":"https://github.com/yunionio/website/tree/master/docs/shared/operations/databases/mysql_ha_recovery.md","tags":[],"version":"current","sidebarPosition":3,"frontMatter":{"sidebar_position":3},"sidebar":"sharedSidebar","previous":{"title":"\u90e8\u7f72 Mariadb HA \u73af\u5883","permalink":"/docs/shared/operations/databases/db-ha"},"next":{"title":"\u9ad8\u53ef\u7528\u73af\u5883","permalink":"/docs/shared/operations/ha/"}}');var s=r(74848),a=r(28453);const d={sidebar_position:3},l="MariaDB \u53cc\u4e3b\u540c\u6b65\u6062\u590d",c={},o=[{value:"\u67e5\u770b\u540c\u6b65\u72b6\u6001",id:"\u67e5\u770b\u540c\u6b65\u72b6\u6001",level:2},{value:"\u4fee\u590d\u53cc\u4e3b\u540c\u6b65\u7684\u6b65\u9aa4",id:"\u4fee\u590d\u53cc\u4e3b\u540c\u6b65\u7684\u6b65\u9aa4",level:2},{value:"\u505c\u6b62\u96c6\u7fa4\u670d\u52a1",id:"\u505c\u6b62\u96c6\u7fa4\u670d\u52a1",level:3},{value:"\u505c\u6b62\u5f53\u524d\u4ece\u8282\u70b9\u7684keepalived",id:"\u505c\u6b62\u5f53\u524d\u4ece\u8282\u70b9\u7684keepalived",level:3},{value:"\u4e3b\u8282\u70b9\u64cd\u4f5c",id:"\u4e3b\u8282\u70b9\u64cd\u4f5c",level:3},{value:"\u4ece\u8282\u70b9\u64cd\u4f5c",id:"\u4ece\u8282\u70b9\u64cd\u4f5c",level:3},{value:"\u6062\u590d\u4e3b\u8282\u70b9\u7684SLAVE\u72b6\u6001",id:"\u6062\u590d\u4e3b\u8282\u70b9\u7684slave\u72b6\u6001",level:3},{value:"\u6062\u590d\u4ece\u8282\u70b9keepalived",id:"\u6062\u590d\u4ece\u8282\u70b9keepalived",level:3},{value:"\u6062\u590d\u670d\u52a1",id:"\u6062\u590d\u670d\u52a1",level:3}];function h(e){const n={a:"a",code:"code",em:"em",h1:"h1",h2:"h2",h3:"h3",header:"header",p:"p",pre:"pre",...(0,a.R)(),...e.components};return(0,s.jsxs)(s.Fragment,{children:[(0,s.jsx)(n.header,{children:(0,s.jsx)(n.h1,{id:"mariadb-\u53cc\u4e3b\u540c\u6b65\u6062\u590d",children:"MariaDB \u53cc\u4e3b\u540c\u6b65\u6062\u590d"})}),"\n",(0,s.jsx)(n.p,{children:"\u4ecb\u7ecdMariaDB\u53cc\u4e3b\u9ad8\u53ef\u7528\u4e3b\u4ece\u540c\u6b65\u5931\u6548\u7684\u6062\u590d\u6d41\u7a0b\u3002"}),"\n",(0,s.jsx)(n.p,{children:"\u9ad8\u53ef\u7528\u90e8\u7f72\u573a\u666f\u4e2d\uff0cMariaDB\u91c7\u7528\u53cc\u4e3b\u81ea\u52a8\u540c\u6b65\u7684\u9ad8\u53ef\u7528\u6a21\u5f0f\uff0c\u901a\u8fc7keepalived\u5728\u53cc\u4e3b\u8282\u70b9\u4e0a\u5207\u6362VIP\uff0c\u5b9e\u73b0MariaDB\u53cc\u4e3b\u96c6\u7fa4\u5bf9\u5916\u7684\u9ad8\u53ef\u7528\u670d\u52a1\u3002\u548c\u4f20\u7edf\u7684MariaDB\u4e3b\u4ece\u540c\u6b65\u76f8\u6bd4\uff0c\u53ef\u4ee5\u5b9e\u73b0\u670d\u52a1\u5728\u4e24\u4e2a\u8282\u70b9\u7684\u81ea\u52a8\u65e0\u7f1d\u5207\u6362\u3002"}),"\n",(0,s.jsx)(n.p,{children:"\u672c\u6587\u4ecb\u7ecd\u5728MariaDB\u53cc\u4e3b\u6570\u636e\u540c\u6b65\u51fa\u73b0\u5f02\u5e38\uff0c\u6062\u590d\u53cc\u4e3b\u6570\u636e\u540c\u6b65\u7684\u6b65\u9aa4\u65b9\u6cd5\u3002"}),"\n",(0,s.jsx)(n.p,{children:"MariaDB\u53cc\u4e3b\u5b9e\u9645\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e24\u4e2aMariaDB\u5b9e\u4f8b\u4e92\u4e3a\u4e3b\u5907\uff0c\u662f\u57fa\u4e8e\u4f20\u7edf\u7684MariaDB\u4e3b\u4ece\u540c\u6b65\u57fa\u7840\u4e0a\u53d1\u5c55\u800c\u6765\u3002\u56e0\u6b64\u5b9e\u73b0\u4e24\u4e2aMariaDB\u5b9e\u4f8b\u7684\u53cc\u4e3b\u540c\u6b65\uff0c\u5b9e\u9645\u53ef\u4ee5\u5206\u89e3\u4e3a\u4e24\u4e2a\u6b65\u9aa4\uff1a"}),"\n",(0,s.jsx)(n.p,{children:"1\uff09\u5b9e\u73b0\u8282\u70b91\u4e3a\u4e3b\uff0c\u8282\u70b92\u4e3a\u5907\u7684\u4e3b\u4ece\u540c\u6b65\n2\uff09\u5b9e\u73b0\u8282\u70b92\u4e3a\u4e3b\uff0c\u8282\u70b91\u4e3a\u5907\u7684\u4e3b\u4ece\u540c\u6b65"}
1),"\n",(0,s.jsx)(n.h2,{id:"\u67e5\u770b\u540c\u6b65\u72b6\u6001",children:"\u67e5\u770b\u540c\u6b65\u72b6\u6001"}),"\n",(0,s.jsx)(n.p,{children:"\u5206\u522b\u4ee5\u4e24\u4e2aMariaDB\u5b9e\u4f8b\u7684\u771f\u5b9eIP\u767b\u5f55MariaDB\uff0c\u6267\u884c"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"SHOW SLAVE STATUS\\G\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u67e5\u770b\u4e24\u4e2a\u4ece\u5b9e\u4f8b\u7684\u72b6\u6001\uff0c\u5982\u679c\u51fa\u73b0\u62a5\u9519\uff0c\u5219\u8bf4\u660e\u540c\u6b65\u5f02\u5e38\uff0c\u9700\u8981\u4fee\u590d\u3002"}),"\n",(0,s.jsx)(n.h2,{id:"\u4fee\u590d\u53cc\u4e3b\u540c\u6b65\u7684\u6b65\u9aa4",children:"\u4fee\u590d\u53cc\u4e3b\u540c\u6b65\u7684\u6b65\u9aa4"}),"\n",(0,s.jsx)(n.h3,{id:"\u505c\u6b62\u96c6\u7fa4\u670d\u52a1",children:"\u505c\u6b62\u96c6\u7fa4\u670d\u52a1"}),"\n",(0,s.jsxs)(n.p,{children:["\u4e3a\u4fdd\u9669\u8d77\u89c1\uff0c\u9996\u5148\u8981\u505c\u6b62\u96c6\u7fa4\u670d\u52a1\uff0c\u907f\u514d\u518d\u5411\u6570\u636e\u5e93\u4e2d\u5199\u5165\u6570\u636e\u3002\u6682\u505c\u96c6\u7fa4\u670d\u52a1\u7684\u6b65\u9aa4\u8bf7\u53c2\u89c1: ",(0,s.jsx)(n.a,{href:"../k8s/halt_cluster",children:"\u6682\u505c\u96c6\u7fa4\u670d\u52a1"})," \u3002"]}),"\n",(0,s.jsxs)(n.p,{children:["\u4e0b\u9762\u9700\u8981\u786e\u5b9a\u54ea\u4e2a\u8282\u70b9\u662f\u5f53\u524d\u7684\u4e3b\u8282\u70b9\uff0c",(0,s.jsx)(n.em,{children:"MariaDB\u7684VIP\u6240\u5728\u8282\u70b9\u5c31\u662f\u4e3b\u8282\u70b9"}),"\u3002"]}),"\n",(0,s.jsx)(n.h3,{id:"\u505c\u6b62\u5f53\u524d\u4ece\u8282\u70b9\u7684keepalived",children:"\u505c\u6b62\u5f53\u524d\u4ece\u8282\u70b9\u7684keepalived"}),"\n",(0,s.jsx)(n.p,{children:"\u505c\u6b62\u5f53\u524d\u4ece\u8282\u70b9\u7684keepalived\uff0c\u4ee5\u9632\u6b62MariaDB VIP\u7684\u81ea\u52a8\u4e3b\u4ece\u5207\u6362\u3002"}),"\n",(0,s.jsx)(n.p,{children:"\u5728\u4ece\u8282\u70b9\u6267\u884c"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-bash",children:"systemctl stop keepalived\n"})}),"\n",(0,s.jsx)(n.h3,{id:"\u4e3b\u8282\u70b9\u64cd\u4f5c",children:"\u4e3b\u8282\u70b9\u64cd\u4f5c"}),"\n",(0,s.jsx)(n.p,{children:"\u9996\u5148\u9700\u8981\u505c\u6b62\u6570\u636e\u5e93\u7684\u4e3b\u4ece\u540c\u6b65\u3002"}),"\n",(0,s.jsx)(n.p,{children:"\u9996\u5148\u767b\u5165\u5f53\u524d\u4e3b\u8282\u70b9\u7684MariaDB\uff0c\u6267\u884c\u5982\u4e0b\u547d\u4ee4\u505c\u6b62\u4e3b\u8282\u70b9\u548c\u4ece\u8282\u70b9\u7684\u4e3b\u4ece\u540c\u6b65\u3002"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"STOP SLAVE;\nRESET SLAVE;\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u7136\u540e\u91cd\u7f6e\u4e3b\u8282\u70b9\u7684MASTER Status\uff0c\u5e76\u9501\u8868"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"RESET MASTER;\nFLUSH TABLES WITH READ LOCK;\nSHOW MASTER STATUS;\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u8f93\u51fa\u5982\u4e0b\uff1a"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"MariaDB [(none)]> SHOW MASTER STATUS;\n+------------------+-----------+--------------+------------------+\n| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |\n+------------------+-----------+--------------+------------------+\n| mysql-bin.000001 | 98 | | |\n+------------------+-----------+--------------+------------------+\n1 row in set (0.00 sec)\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u8bb0\u5f55\u4e0bMASTER\u7684bin-log\u6587\u4ef6\u540d\u79f0\u548c\u4f4d\u7f6e\u3002"}),"\n",(0,s.jsx)(n.p,{children:"\u7136\u540e\u9000\u51faMariaDB\uff0c\u6267\u884cmysqldump\u5c06\u4e3b\u8282\u70b9\u7684\u6570\u636e\u5bfc\u51fa\uff1a"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"mysqldump -u root -p --all-databases > /a/path/mysqldump.sql\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u518d\u767b\u5165\u4e3b\u8282\u70b9MariaDB\uff0c\u89e3\u9501READ LOCK\u3002"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"UNLOCK TABLES;\n"})}),"\n",(0,s.jsx)(n.h3,{id:"\u4ece\u8282\u70b9\u64cd\u4f5c",children:"\u4ece\u8282\u70b9\u64cd\u4f5c"}),"\n",(0,s.jsx)(n.p,{children:"\u518d\u767b\u5165\u5f53\u524d\u4ece\u8282\u70b9\u7684MariaDB\uff0c\u6267\u884c\u5982\u4e0b\u547d\u540d\u505c\u6b62\u4ece\u8282\u70b9\u7684\u4e3b\u4ece\u540c\u6b65\uff0c\u540c\u65f6\u5220\u9664\u9664information_schema,performance_schema,mysql\u4e4b\u5916\u7684\u6570\u636e\u5e93\u3002"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"STOP SLAVE;\ndrop database yunioncloud;\ndrop database ...;\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u9000\u51faMariaDB\uff0c\u5c06\u4e3b\u8282\u70b9dump\u7684\u6570\u636e\u5bfc\u5165\u4ece\u8282\u70b9\u6570\u636e\u5e93\uff1a"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"mysql -uroot -p < mysqldump.sql\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u7136\u540e\u518d\u767b\u5165MariaDB\uff0c\u6062\u590d\u4ece\u8282\u70b9\u7684\u4e3b\u4ece\u540c\u6b65\u3002"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"RESET SLAVE;\nCHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=98;\nSTART SLAVE;\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u6b64\u65f6\u68c0\u67e5\u4ece\u8282\u70b9\u7684SLAVE\u540c\u6b65\u72b6\u6001\uff1a"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"SHOW SLAVE STATUS\\G\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u786e\u4fdd\u7ed3\u679c\u5305\u542b\u5982\u4e0b\u72b6\u6001\uff0c\u5219\u8bf4\u660e\u4ece\u8282\u70b9\u7684\u4e3b\u4ece\u540c\u6b65\u6b63\u5e38\u3002"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"Slave_IO_Running: Yes\nSlave_SQL_Running: Yes\n"})}),"\n",(0,s.jsx)(n.h3,{id:"\u6062\u590d\u4e3b\u8282\u70b9\u7684slave\u72b6\u6001",children:"\u6062\u590d\u4e3b\u8282\u70b9\u7684SLAVE\u72b6\u6001"}),"\n",(0,s.jsx)(n.p,{children:"\u5728\u4ece\u8282\u70b9MariaDB\u6267\u884c\uff08\u6ce8\u610f\u8fd9\u91cc\u4e0d\u9700\u8981\u518d\u9501\u8868\uff09\u3002"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"RESET MASTER;\nSHOW MASTER STATUS;\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u8f93\u51fa\u5982\u4e0b\uff1a"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"MariaDB [(none)]> SHOW MASTER STATUS;\n+------------------+-----------+--------------+------------------+\n| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |\n+------------------+-----------+--------------+------------------+\n| mysql-bin.000001 | 740 | | |\n+------------------+-----------+--------------+------------------+\n1 row in set
1(0.00 sec)\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u8bb0\u5f55\u4ece\u8282\u70b9\u7684MASTER\u65e5\u5fd7\u6587\u4ef6\u548c\u4f4d\u7f6e\u3002"}),"\n",(0,s.jsx)(n.p,{children:"\u5728\u4e3b\u8282\u70b9MariaDB\u6267\u884c\u5982\u4e0b\u547d\u4ee4\u6062\u590d\u5bf9\u4ece\u8282\u70b9\u7684\u4e3b\u4ece\u540c\u6b65"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=740;\nSTART SLAVE;\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u6b64\u65f6\u68c0\u67e5\u4e3b\u8282\u70b9\u7684SLAVE\u540c\u6b65\u72b6\u6001\uff1a"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"SHOW SLAVE STATUS\\G\n"})}),"\n",(0,s.jsx)(n.p,{children:"\u786e\u4fdd\u7ed3\u679c\u5305\u542b\u5982\u4e0b\u72b6\u6001\uff0c\u5219\u8bf4\u660e\u4e3b\u8282\u70b9\u7684\u4e3b\u4ece\u540c\u6b65\u6b63\u5e38\u3002"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"Slave_IO_Running: Yes\nSlave_SQL_Running: Yes\n"})}),"\n",(0,s.jsx)(n.h3,{id:"\u6062\u590d\u4ece\u8282\u70b9keepalived",children:"\u6062\u590d\u4ece\u8282\u70b9keepalived"}),"\n",(0,s.jsx)(n.p,{children:"\u5728\u4ece\u8282\u70b9\u6267\u884c\u5982\u4e0b\u547d\u4ee4\u6062\u590d\u4ece\u8282\u70b9\u7684keepalived"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"systemctl start keepalived\n"})}),"\n",(0,s.jsx)(n.h3,{id:"\u6062\u590d\u670d\u52a1",children:"\u6062\u590d\u670d\u52a1"}),"\n",(0,s.jsxs)(n.p,{children:["\u5728\u63a7\u5236\u8282\u70b9\uff0c\u53c2\u8003: ",(0,s.jsx)(n.a,{href:"../k8s/halt_cluster",children:"\u6062\u590d\u96c6\u7fa4\u670d\u52a1"})," \u6062\u590donecloud-operator\u5bb9\u5668\u8fd0\u884c\uff0c\u6062\u590d\u6240\u6709\u670d\u52a1\u7ec4\u4ef6\u3002"]}),"\n",(0,s.jsx)(n.p,{children:"\u81f3\u6b64\uff0c\u914d\u7f6e\u5b8c\u6210\u3002"})]})}function t(e={}){const{wrapper:n}={...(0,a.R)(),...e.components};return n?(0,s.jsx)(n,{...e,children:(0,s.jsx)(h,{...e})}):h(e)}}}]);
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.