{"id":9490,"date":"2026-08-24T10:31:48","date_gmt":"2026-08-24T03:31:48","guid":{"rendered":"https:\/\/longvan.net\/cong-dong\/?p=9490"},"modified":"2026-08-24T10:31:50","modified_gmt":"2026-08-24T03:31:50","slug":"cau-hinh-chuyen-doi-master-slave-mariadb-tren-windows-server","status":"publish","type":"post","link":"https:\/\/longvan.net\/cong-dong\/cau-hinh-chuyen-doi-master-slave-mariadb-tren-windows-server\/","title":{"rendered":"C\u1ea5u h\u00ecnh chuy\u1ec3n \u0111\u1ed5i Master-Slave MariaDB tr\u00ean Windows Server"},"content":{"rendered":"<p>B\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung ri\u00eang v\u00e0o quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i vai tr\u00f2 Slave l\u00ean Master cho MariaDB (GTID Replication), chia r\u00f5 2 t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf: (1) ch\u1ee7 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i khi Master v\u1eabn c\u00f2n s\u1ed1ng \u2014 \u01b0u ti\u00ean an to\u00e0n d\u1eef li\u1ec7u tuy\u1ec7t \u0111\u1ed1i; v\u00e0 (2) Master g\u1eb7p s\u1ef1 c\u1ed1 m\u1ea5t k\u1ebft n\u1ed1i\/h\u1ecfng \u0111\u1ed9t ng\u1ed9t (disaster) \u2014 \u01b0u ti\u00ean kh\u00f4i ph\u1ee5c d\u1ecbch v\u1ee5 nhanh nh\u1ea5t c\u00f3 th\u1ec3. \u0110i k\u00e8m checklist thao t\u00e1c nhanh \u0111\u1ec3 tra c\u1ee9u t\u1ea1i ch\u1ed7 khi c\u1ea7n.<\/p>\n<h2>I. Server master c\u00f2n ho\u1ea1t \u0111\u1ed9ng (ch\u1ee7 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i)<\/h2>\n<p>\u00c1p d\u1ee5ng khi: c\u1ea7n b\u1ea3o tr\u00ec\/patch Master, chuy\u1ec3n t\u1ea3i sang site kh\u00e1c theo k\u1ebf ho\u1ea1ch, ho\u1eb7c di\u1ec5n t\u1eadp \u0111\u1ecbnh k\u1ef3. Nguy\u00ean t\u1eafc: LU\u00d4N \u0111\u1ea3m b\u1ea3o Slave \u0111\u00e3 \u0111\u1ed3ng b\u1ed9 100% (Seconds_Behind_Master = 0) tr\u01b0\u1edbc khi c\u1eaft ghi tr\u00ean Master c\u0169.<\/p>\n<p style=\"background: #fff2cc;border-left: 4px solid #bf9000;padding: 10px 14px;margin: 18px 0\"><strong>\u25b6 Th\u1ef1c hi\u1ec7n tr\u00ean:<\/strong> <code>Master hi\u1ec7n t\u1ea1i<\/code><\/p>\n<ol>\n<li>Kho\u00e1 ghi t\u1ea1m th\u1eddi tr\u00ean Master \u0111\u1ec3 d\u1eebng ph\u00e1t sinh giao d\u1ecbch m\u1edbi:<\/li>\n<\/ol>\n<pre style=\"background: #1e1e1e;color: #d4d4d4;padding: 16px 18px;border-radius: 6px;font-family: Consolas,&apos;Courier New&apos;,monospace;font-size: 14px;line-height: 1.6;white-space: pre;margin: 12px 0 20px\"><code>SET GLOBAL read_only = ON;\n-- \u1ee8ng d\u1ee5ng\/HIS\/EMR: t\u1ea1m d\u1eebng ho\u1eb7c chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 b\u1ea3o tr\u00ec (maintenance mode)<\/code><\/pre>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/1-1.png\" alt=\"Kho\u00e1 ghi tr\u00ean Master hi\u1ec7n t\u1ea1i\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 24px\">Kho\u00e1 ghi tr\u00ean Master hi\u1ec7n t\u1ea1i (103.48.195.25) \u2014 SET GLOBAL read_only = ON<\/p>\n<p style=\"background: #fff2cc;border-left: 4px solid #bf9000;padding: 10px 14px;margin: 18px 0\"><strong>\u25b6 Th\u1ef1c hi\u1ec7n tr\u00ean:<\/strong> <code>Slave s\u1ebd l\u00ean Master<\/code><\/p>\n<ol start=\"2\">\n<li>X\u00e1c nh\u1eadn Slave \u0111\u00e3 b\u1eaft k\u1ecbp ho\u00e0n to\u00e0n (b\u1eaft bu\u1ed9c ph\u1ea3i = 0 m\u1edbi \u0111\u01b0\u1ee3c \u0111i ti\u1ebfp):<\/li>\n<\/ol>\n<pre style=\"background: #1e1e1e;color: #d4d4d4;padding: 16px 18px;border-radius: 6px;font-family: Consolas,&apos;Courier New&apos;,monospace;font-size: 14px;line-height: 1.6;white-space: pre;margin: 12px 0 20px\"><code>SHOW SLAVE STATUS\\G\n-- Ki\u1ec3m tra: Seconds_Behind_Master: 0\n-- Ki\u1ec3m tra: Slave_IO_Running: Yes | Slave_SQL_Running: Yes<\/code><\/pre>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/2-1.png\" alt=\"X\u00e1c nh\u1eadn Slave \u0111\u00e3 \u0111\u1ed3ng b\u1ed9 \u0111\u1ea7y \u0111\u1ee7\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 24px\">X\u00e1c nh\u1eadn Slave (45.119.85.253) \u0111\u00e3 \u0111\u1ed3ng b\u1ed9 \u0111\u1ea7y \u0111\u1ee7 \u2014 Seconds_Behind_Master: 0<\/p>\n<ol start=\"3\">\n<li>D\u1eebng vai tr\u00f2 Slave, m\u1edf ghi, promote th\u00e0nh Master m\u1edbi:<\/li>\n<\/ol>\n<pre style=\"background: #1e1e1e;color: #d4d4d4;padding: 16px 18px;border-radius: 6px;font-family: Consolas,&apos;Courier New&apos;,monospace;font-size: 14px;line-height: 1.6;white-space: pre;margin: 12px 0 20px\"><code>STOP SLAVE;\nRESET SLAVE ALL;\nSET GLOBAL read_only = OFF;<\/code><\/pre>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/3.png\" alt=\"Promote Slave th\u00e0nh Master m\u1edbi\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 24px\">Promote Slave (45.119.85.253) th\u00e0nh Master m\u1edbi<\/p>\n<p style=\"background: #fff2cc;border-left: 4px solid #bf9000;padding: 10px 14px;margin: 18px 0\"><strong>\u25b6 Th\u1ef1c hi\u1ec7n tr\u00ean:<\/strong> <code>\u1ee8ng d\u1ee5ng \/ HIS \/ EMR<\/code><\/p>\n<ol start=\"4\">\n<li>Tr\u1ecf connection string \/ VIP \/ proxy sang server v\u1eeba promote. T\u1eaft ch\u1ebf \u0111\u1ed9 b\u1ea3o tr\u00ec, ti\u1ebfp t\u1ee5c ghi b\u00ecnh th\u01b0\u1eddng.<\/li>\n<\/ol>\n<p style=\"background: #fff2cc;border-left: 4px solid #bf9000;padding: 10px 14px;margin: 18px 0\"><strong>\u25b6 Th\u1ef1c hi\u1ec7n tr\u00ean:<\/strong> <code>Master c\u0169 \u2192 h\u1ea1 c\u1ea5p th\u00e0nh Slave<\/code><\/p>\n<ol start=\"5\">\n<li>Tr\u1ecf l\u1ea1i l\u00e0m Slave, replicate t\u1eeb Master m\u1edbi:<\/li>\n<\/ol>\n<pre style=\"background: #1e1e1e;color: #d4d4d4;padding: 16px 18px;border-radius: 6px;font-family: Consolas,&apos;Courier New&apos;,monospace;font-size: 14px;line-height: 1.6;white-space: pre;margin: 12px 0 20px\"><code>STOP SLAVE;\nCHANGE MASTER TO\n  MASTER_HOST='&lt;IP Master m\u1edbi&gt;',\n  MASTER_PORT=3307,\n  MASTER_USER='repl_user',\n  MASTER_PASSWORD='&lt;mat_khau_manh&gt;',\n  MASTER_USE_GTID=slave_pos,\n  MASTER_SSL=0;\nSET GLOBAL read_only = ON;\nSTART SLAVE;<\/code><\/pre>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/4-1.png\" alt=\"Master c\u0169 h\u1ea1 c\u1ea5p th\u00e0nh Slave\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 24px\">Master c\u0169 (103.48.195.25) h\u1ea1 c\u1ea5p th\u00e0nh Slave, tr\u1ecf v\u1ec1 Master m\u1edbi<\/p>\n<ol start=\"6\">\n<li>X\u00e1c nh\u1eadn SHOW SLAVE STATUS\\G s\u1ea1ch, Seconds_Behind_Master: 0 \u2014 ho\u00e0n t\u1ea5t switchover, kh\u00f4ng m\u1ea5t d\u1eef li\u1ec7u.<\/li>\n<\/ol>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/5-1.png\" alt=\"Tr\u1ea1ng th\u00e1i cu\u1ed1i c\u00f9ng sau switchover\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 24px\">Tr\u1ea1ng th\u00e1i cu\u1ed1i c\u00f9ng sau switchover \u2014 replicate \u0111\u1ed3ng b\u1ed9 s\u1ea1ch, Seconds_Behind_Master: 0<\/p>\n<p style=\"background: #e6f4ea;border-left: 4px solid #1e7b34;padding: 10px 14px;margin: 18px 0;color: #1e4620\">\u2713 V\u00ec kho\u00e1 ghi tr\u01b0\u1edbc khi ki\u1ec3m tra \u0111\u1ed3ng b\u1ed9, v\u00e0 ch\u1ec9 chuy\u1ec3n h\u01b0\u1edbng \u1ee9ng d\u1ee5ng sau khi Slave x\u00e1c nh\u1eadn Seconds_Behind_Master = 0, quy tr\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o RPO = 0 tuy\u1ec7t \u0111\u1ed1i.<\/p>\n<h2>II. K\u1ecbch b\u1ea3n \u2014 Failover kh\u1ea9n c\u1ea5p (Master down \/ disaster)<\/h2>\n<p style=\"background: #fce4e4;border-left: 4px solid #c00000;padding: 10px 14px;margin: 18px 0;font-weight: bold;color: #c00000\">\u26a0 Ch\u1ec9 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e2y SAU KHI \u0111\u00e3 x\u00e1c nh\u1eadn ch\u1eafc ch\u1eafn Master kh\u00f4ng c\u00f2n truy c\u1eadp \u0111\u01b0\u1ee3c (kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ea1ng ch\u1eadm\/gi\u00e1n \u0111o\u1ea1n t\u1ea1m th\u1eddi) \u2014 promote nh\u1ea7m trong khi Master c\u0169 v\u1eabn \u0111ang ch\u1ea1y s\u1ebd g\u00e2y SPLIT-BRAIN (2 node c\u00f9ng nh\u1eadn ghi, d\u1eef li\u1ec7u ph\u00e2n k\u1ef3, r\u1ea5t kh\u00f3 g\u1ed9p l\u1ea1i).<\/p>\n<h3>1. B\u01b0\u1edbc 0 \u2014 X\u00e1c nh\u1eadn Master th\u1ef1c s\u1ef1 down<\/h3>\n<ul>\n<li>Ping IP Master, ki\u1ec3m tra port (<code>Test-NetConnection -ComputerName &lt;IP Master&gt; -Port 3307<\/code>).<\/li>\n<li>Th\u1eed RDP\/console tr\u1ef1c ti\u1ebfp v\u00e0o server n\u1ebfu c\u00f3 th\u1ec3 \u2014 x\u00e1c \u0111\u1ecbnh do OS\/server ch\u1ebft h\u1eb3n hay ch\u1ec9 do m\u1ea1ng.<\/li>\n<li>Ki\u1ec3m tra t\u1eeb ph\u00eda Slave: <code>SHOW SLAVE STATUS\\G<\/code> \u0111\u1ec3 xem l\u1ed7i k\u1ebft n\u1ed1i c\u1ee5 th\u1ec3 v\u00e0 th\u1eddi \u0111i\u1ec3m Master ng\u01b0ng g\u1eedi d\u1eef li\u1ec7u (Last_IO_Error).<\/li>\n<li>N\u1ebfu c\u00f3 th\u1ec3, th\u1eed li\u00ean h\u1ec7 team h\u1ea1 t\u1ea7ng\/ISP x\u00e1c nh\u1eadn s\u1ef1 c\u1ed1 m\u1ea1ng hay s\u1ef1 c\u1ed1 server th\u1eadt s\u1ef1 tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh promote.<\/li>\n<\/ul>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/6-1-1024x595.png\" alt=\"B\u1eb1ng ch\u1ee9ng Master m\u1ea5t k\u1ebft n\u1ed1i ho\u00e0n to\u00e0n\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 24px\">B\u1eb1ng ch\u1ee9ng Master (45.119.85.253) m\u1ea5t k\u1ebft n\u1ed1i ho\u00e0n to\u00e0n \u2014 Last_IO_Error 2003, ghi nh\u1eadn t\u1eeb ph\u00eda Slave (103.48.195.25)<\/p>\n<h3>2. Promote Slave l\u00ean Master<\/h3>\n<p style=\"background: #fff2cc;border-left: 4px solid #bf9000;padding: 10px 14px;margin: 18px 0\"><strong>\u25b6 Th\u1ef1c hi\u1ec7n tr\u00ean:<\/strong> <code>Slave \u2014 s\u1ebd \u0111\u01b0\u1ee3c promote<\/code><\/p>\n<ol start=\"7\">\n<li>Ghi l\u1ea1i v\u1ecb tr\u00ed GTID cu\u1ed1i c\u00f9ng \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi promote (ph\u1ee5c v\u1ee5 \u0111\u1ed1i chi\u1ebfu d\u1eef li\u1ec7u sau n\u00e0y):<\/li>\n<\/ol>\n<pre style=\"background: #1e1e1e;color: #d4d4d4;padding: 16px 18px;border-radius: 6px;font-family: Consolas,&apos;Courier New&apos;,monospace;font-size: 14px;line-height: 1.6;white-space: pre;margin: 12px 0 20px\"><code>SHOW SLAVE STATUS\\G\n-- Ghi l\u1ea1i: Gtid_IO_Pos, Seconds_Behind_Master l\u00fac m\u1ea5t k\u1ebft n\u1ed1i<\/code><\/pre>\n<ol start=\"8\">\n<li>D\u1eebng vai tr\u00f2 Slave v\u00e0 promote th\u00e0nh Master \u0111\u1ed9c l\u1eadp:<\/li>\n<\/ol>\n<pre style=\"background: #1e1e1e;color: #d4d4d4;padding: 16px 18px;border-radius: 6px;font-family: Consolas,&apos;Courier New&apos;,monospace;font-size: 14px;line-height: 1.6;white-space: pre;margin: 12px 0 20px\"><code>STOP SLAVE;\nSET GLOBAL read_only = OFF;\nRESET SLAVE ALL;<\/code><\/pre>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/7-1.png\" alt=\"Promote Slave th\u00e0nh Master \u0111\u1ed9c l\u1eadp\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 20px\">Promote Slave (103.48.195.25) th\u00e0nh Master \u0111\u1ed9c l\u1eadp<\/p>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/8-1.png\" alt=\"X\u00e1c nh\u1eadn read_only = OFF\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 24px\">X\u00e1c nh\u1eadn read_only = OFF \u2014 Master m\u1edbi \u0111\u00e3 s\u1eb5n s\u00e0ng nh\u1eadn ghi<\/p>\n<p style=\"background: #fff2cc;border-left: 4px solid #bf9000;padding: 10px 14px;margin: 18px 0\"><strong>\u25b6 Th\u1ef1c hi\u1ec7n tr\u00ean:<\/strong> <code>\u1ee8ng d\u1ee5ng \/ HIS \/ EMR<\/code><\/p>\n<ol start=\"9\">\n<li>Chuy\u1ec3n h\u01b0\u1edbng kh\u1ea9n c\u1ea5p connection string \/ VIP sang Slave v\u1eeba promote, \u0111\u01b0a h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng tr\u1edf l\u1ea1i.<\/li>\n<\/ol>\n<p style=\"background: #fce4e4;border-left: 4px solid #c00000;padding: 10px 14px;margin: 18px 0;font-weight: bold;color: #c00000\">\u26a0 N\u1ebfu Seconds_Behind_Master t\u1ea1i th\u1eddi \u0111i\u1ec3m m\u1ea5t k\u1ebft n\u1ed1i KH\u00d4NG b\u1eb1ng 0, nh\u1eefng giao d\u1ecbch Master c\u0169 \u0111\u00e3 ghi nh\u01b0ng ch\u01b0a k\u1ecbp g\u1eedi cho Slave s\u1ebd M\u1ea4T (RPO &gt; 0). C\u1ea7n ghi nh\u1eadn l\u1ea1i kho\u1ea3ng th\u1eddi gian n\u00e0y \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu nghi\u1ec7p v\u1ee5 (v\u00ed d\u1ee5: y\u00eau c\u1ea7u HIS\/EMR ki\u1ec3m tra l\u1ea1i c\u00e1c phi\u1ebfu v\u1eeba t\u1ea1o trong v\u00e0i gi\u00e2y\/ph\u00fat cu\u1ed1i tr\u01b0\u1edbc s\u1ef1 c\u1ed1).<\/p>\n<h3>3. X\u1eed l\u00fd Master c\u0169 khi ph\u1ee5c h\u1ed3i tr\u1edf l\u1ea1i<\/h3>\n<p style=\"background: #fff2cc;border-left: 4px solid #bf9000;padding: 10px 14px;margin: 18px 0\"><strong>\u25b6 Th\u1ef1c hi\u1ec7n tr\u00ean:<\/strong> <code>Master c\u0169<\/code><\/p>\n<ol start=\"10\">\n<li>TUY\u1ec6T \u0110\u1ed0I KH\u00d4NG \u0111\u1ec3 service MariaDB t\u1ef1 nh\u1eadn ghi song song trong l\u00fac ki\u1ec3m tra \u2014 ngay khi server\/service kh\u1edfi \u0111\u1ed9ng l\u1ea1i, kho\u00e1 ghi l\u1ea1i l\u1eadp t\u1ee9c:<\/li>\n<\/ol>\n<pre style=\"background: #1e1e1e;color: #d4d4d4;padding: 16px 18px;border-radius: 6px;font-family: Consolas,&apos;Courier New&apos;,monospace;font-size: 14px;line-height: 1.6;white-space: pre;margin: 12px 0 20px\"><code>SET GLOBAL read_only = ON;<\/code><\/pre>\n<ol start=\"11\">\n<li>So s\u00e1nh GTID hi\u1ec7n t\u1ea1i gi\u1eefa Master c\u0169 v\u00e0 Master m\u1edbi \u0111\u1ec3 x\u00e1c nh\u1eadn c\u00f3 b\u1ecb ph\u00e2n k\u1ef3 d\u1eef li\u1ec7u hay kh\u00f4ng:<\/li>\n<\/ol>\n<pre style=\"background: #1e1e1e;color: #d4d4d4;padding: 16px 18px;border-radius: 6px;font-family: Consolas,&apos;Courier New&apos;,monospace;font-size: 14px;line-height: 1.6;white-space: pre;margin: 12px 0 20px\"><code>SELECT @@gtid_current_pos;\n-- Ch\u1ea1y tr\u00ean c\u1ea3 2 server, \u0111\u1ed1i chi\u1ebfu k\u1ebft qu\u1ea3<\/code><\/pre>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/10.png\" alt=\"GTID tr\u00ean Master c\u0169\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 20px\">GTID tr\u00ean Master c\u0169 (45.119.85.253) sau khi kho\u00e1 ghi<\/p>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/9-1.png\" alt=\"GTID tr\u00ean Master m\u1edbi\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 24px\">GTID tr\u00ean Master m\u1edbi (103.48.195.25) \u2014 tr\u00f9ng kh\u1edbp, kh\u00f4ng ph\u00e2n k\u1ef3 d\u1eef li\u1ec7u<\/p>\n<ol start=\"12\">\n<li>Tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng (GTID tr\u00f9ng kh\u1edbp, kh\u00f4ng c\u00f3 giao d\u1ecbch ph\u00e2n k\u1ef3) \u2014 rejoin l\u00e0m Slave, tr\u1ecf v\u1ec1 Master m\u1edbi, gi\u1ed1ng h\u1ec7t thao t\u00e1c failback \u1edf K\u1ecbch b\u1ea3n A:<\/li>\n<\/ol>\n<pre style=\"background: #1e1e1e;color: #d4d4d4;padding: 16px 18px;border-radius: 6px;font-family: Consolas,&apos;Courier New&apos;,monospace;font-size: 14px;line-height: 1.6;white-space: pre;margin: 12px 0 20px\"><code>STOP SLAVE;\nCHANGE MASTER TO\n  MASTER_HOST='&lt;IP Master m\u1edbi&gt;',\n  MASTER_PORT=3307,\n  MASTER_USER='repl_user',\n  MASTER_PASSWORD='&lt;mat_khau_manh&gt;',\n  MASTER_USE_GTID=slave_pos;\nSTART SLAVE;<\/code><\/pre>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/11.png\" alt=\"Master c\u0169 nh\u1eadp l\u1ea1i l\u00e0m Slave\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 24px\">Master c\u0169 (45.119.85.253) nh\u1eadp l\u1ea1i l\u00e0m Slave, tr\u1ecf v\u1ec1 Master m\u1edbi (103.48.195.25)<\/p>\n<ol start=\"13\">\n<li>N\u1ebfu GTID ph\u00e2n k\u1ef3 (server c\u0169 c\u00f3 giao d\u1ecbch m\u00e0 Master m\u1edbi kh\u00f4ng c\u00f3) \u2014 KH\u00d4NG d\u00f9ng CHANGE MASTER TO tr\u1ef1c ti\u1ebfp: c\u1ea7n backup d\u1eef li\u1ec7u b\u1ecb l\u1ec7ch ri\u00eang ra (mysqldump b\u1ea3ng li\u00ean quan \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu th\u1ee7 c\u00f4ng v\u1edbi nghi\u1ec7p v\u1ee5), sau \u0111\u00f3 xo\u00e1 d\u1eef li\u1ec7u c\u1ee5c b\u1ed9 tr\u00ean node c\u0169 v\u00e0 rejoin b\u1eb1ng full resync (mysqldump t\u1eeb Master m\u1edbi ho\u1eb7c xtrabackup) \u0111\u1ec3 tr\u00e1nh xung \u0111\u1ed9t GTID\/duplicate key.<\/li>\n<\/ol>\n<p style=\"text-align: center;margin: 0\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;display: inline-block\" src=\"https:\/\/longvan.net\/cong-dong\/wp-content\/uploads\/2026\/08\/12.png\" alt=\"X\u00e1c nh\u1eadn replicate s\u1ea1ch sau khi rejoin\" \/><\/p>\n<p style=\"text-align: center;color: #666;font-style: italic;font-size: 14px;margin: 6px 0 24px\">X\u00e1c nh\u1eadn replicate s\u1ea1ch sau khi Master c\u0169 nh\u1eadp l\u1ea1i l\u00e0m Slave \u2014 Seconds_Behind_Master: 0<\/p>\n<p><img decoding=\"async\" id=\"image-hover-icon\" style=\"position: absolute;width: 25px;height: 25px;cursor: pointer;left: 150px;top: 8991.5px;display: none;z-index: 10000;opacity: 0.7\" src=\"\/\/pbhpcbdjngblklnibanbkgkogjmbjeoe\/src\/public\/images\/128px.png\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung ri\u00eang v\u00e0o quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i vai tr\u00f2 Slave l\u00ean Master cho MariaDB (GTID Replication), chia r\u00f5 2 t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf: (1) ch\u1ee7 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i khi Master v\u1eabn c\u00f2n s\u1ed1ng \u2014 \u01b0u ti\u00ean an to\u00e0n d\u1eef li\u1ec7u tuy\u1ec7t \u0111\u1ed1i; v\u00e0 (2) Master g\u1eb7p s\u1ef1 c\u1ed1 m\u1ea5t k\u1ebft n\u1ed1i\/h\u1ecfng [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_oasis_is_in_workflow":0,"_oasis_original":0,"footnotes":""},"categories":[1,15],"tags":[279,327],"class_list":["post-9490","post","type-post","status-publish","format-standard","hentry","category-huong-dan-chung","category-windows","tag-mariadb","tag-master-slave"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u1ea5u h\u00ecnh chuy\u1ec3n \u0111\u1ed5i Master-Slave MariaDB tr\u00ean Windows Server - Long V\u00e2n<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longvan.net\/cong-dong\/cau-hinh-chuyen-doi-master-slave-mariadb-tren-windows-server\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" 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