{"id":17859,"date":"2024-11-25T09:31:50","date_gmt":"2024-11-25T02:31:50","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=17859"},"modified":"2024-11-25T09:31:50","modified_gmt":"2024-11-25T02:31:50","slug":"failover-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/failover-la-gi\/","title":{"rendered":"Failover l\u00e0 g\u00ec? C\u00e1ch c\u00e0i Failover tr\u00ean n\u1ec1n t\u1ea3ng pfSense A-Z"},"content":{"rendered":"<p>Trong l\u0129nh v\u1ef1c IT, &#8220;Failover&#8221; (chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng) l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i gi\u00fap duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 li\u00ean t\u1ee5c cho c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5. Failover \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 qu\u00e1 tr\u00ecnh t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i sang m\u1ed9t h\u1ec7 th\u1ed1ng d\u1ef1 ph\u00f2ng khi h\u1ec7 th\u1ed1ng ch\u00ednh g\u1eb7p s\u1ef1 c\u1ed1 ho\u1eb7c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, InterData s\u1ebd c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 Failover l\u00e0 g\u00ec, bao g\u1ed3m t\u1ea7m quan tr\u1ecdng c\u1ee7a Failover, l\u1ee3i \u00edch, <a href=\"https:\/\/interdata.vn\/blog\/cac-loai-web-hosting\/\">c\u00e1c lo\u1ea1i hosting<\/a> Failover ph\u1ed5 bi\u1ebfn. Cu\u1ed1i c\u00f9ng, b\u00e0i vi\u1ebft s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1ch c\u00e0i \u0111\u1eb7t Failover tr\u00ean n\u1ec1n t\u1ea3ng pfSense chi ti\u1ebft nh\u1ea5t. \u0110\u1ecdc ngay!<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Failover-la-gi\" >Failover l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Tai-sao-chuyen-doi-du-phong-lai-quan-trong-va-can-thiet\" >T\u1ea1i sao chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng l\u1ea1i quan tr\u1ecdng v\u00e0 c\u1ea7n thi\u1ebft?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Dam-bao-tinh-lien-tuc-cua-dich-vu\" >\u0110\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a d\u1ecbch v\u1ee5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Giam-thieu-thoi-gian-ngung-hoat-dong\" >Gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Bao-ve-du-lieu\" >B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Tang-cuong-do-tin-cay\" >T\u0103ng c\u01b0\u1eddng \u0111\u1ed9 tin c\u1eady<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Dap-ung-yeu-cau-kinh-doanh\" >\u0110\u00e1p \u1ee9ng y\u00eau c\u1ea7u kinh doanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Toi-uu-hoa-trai-nghiem-nguoi-dung\" >T\u1ed1i \u01b0u h\u00f3a tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Giam-thieu-chi-phi\" >Gi\u1ea3m thi\u1ec3u chi ph\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#-Tang-cuong-kha-nang-mo-rong\" >\u00a0T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Cac-loai-hosting-Failover-pho-bien\" >C\u00e1c lo\u1ea1i hosting Failover ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#1-Hardware-Failover-Failover-phan-cung\" >1. Hardware Failover (Failover ph\u1ea7n c\u1ee9ng)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#2-Cloud-Failover-Failover-dam-may\" >2. Cloud Failover (Failover \u0111\u00e1m m\u00e2y)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Nguyen-ly-hoat-dong-cua-Failover-va-can-bang-tai\" >Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Failover v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Trien-khai-Failover\" >Tri\u1ec3n khai Failover<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Cach-trien-khai-can-bang-tai\" >C\u00e1ch tri\u1ec3n khai c\u00e2n b\u1eb1ng t\u1ea3i<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Su-khac-biet-giua-Failover-va-sao-luu-du-lieu-Back-Up\" >S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Failover v\u00e0 sao l\u01b0u d\u1eef li\u1ec7u (Back-Up)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/failover-la-gi\/#Cai-dat-Failover-tren-nen-tang-pfSense\" >C\u00e0i \u0111\u1eb7t Failover tr\u00ean n\u1ec1n t\u1ea3ng pfSense<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Failover-la-gi\"><\/span>Failover l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Failover l\u00e0 m\u1ed9t <strong>c\u01a1 ch\u1ebf d\u1ef1 ph\u00f2ng t\u1ef1 \u0111\u1ed9ng<\/strong> cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i sang c\u01a1 s\u1edf d\u1eef li\u1ec7u, m\u1ea1ng ho\u1eb7c <a href=\"https:\/\/interdata.vn\/blog\/server-la-gi\/\">m\u00e1y ch\u1ee7<\/a> kh\u00e1c khi h\u1ec7 th\u1ed1ng g\u1eb7p s\u1ef1 c\u1ed1 ho\u1eb7c \u0111ang trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec. Trong t\u00ecnh hu\u1ed1ng n\u00e0y, h\u1ec7 th\u1ed1ng s\u1ebd \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u1edf ch\u1ebf \u0111\u1ed9 ch\u1edd \u0111\u1ec3 s\u1eb5n s\u00e0ng thay th\u1ebf khi c\u1ea7n thi\u1ebft.<\/p>\n<p>C\u01a1 ch\u1ebf t\u1ef1 \u0111\u1ed9ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c, cho ph\u00e9p c\u00e1c y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng khi kh\u00f4ng th\u1ec3 truy c\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng ch\u00ednh, gi\u00fap duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/p>\n<figure id=\"attachment_17890\" aria-describedby=\"caption-attachment-17890\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Failover-la-gi.png\" alt=\"Failover l\u00e0 g\u00ec?\" width=\"800\" height=\"500\" class=\"size-full wp-image-17890\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Failover-la-gi.png 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Failover-la-gi-300x188.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Failover-la-gi-768x480.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Failover-la-gi-750x469.png 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-17890\" class=\"wp-caption-text\">Failover l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u01a1 ch\u1ebf chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng d\u1ef1a tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u1ee5 tr\u1ee3, m\u00e1y ch\u1ee7 ho\u1eb7c m\u1ea1ng c\u00f3 s\u1eb5n, nh\u1eb1m t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 tin c\u1eady cho h\u1ec7 th\u1ed1ng. Failover \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 c\u01a1 s\u1edf d\u1eef li\u1ec7u khi h\u1ec7 th\u1ed1ng g\u1eb7p s\u1ef1 c\u1ed1 ho\u1eb7c \u0111ang trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec.<\/p>\n<p>V\u00ed d\u1ee5, n\u1ebfu x\u1ea3y ra l\u1ed7i ph\u1ea7n c\u1ee9ng tr\u00ean m\u00e1y ch\u1ee7, m\u00e1y ch\u1ee7 d\u1ef1 ph\u00f2ng s\u1ebd t\u1ef1 \u0111\u1ed9ng ti\u1ebfp qu\u1ea3n m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 can thi\u1ec7p th\u1ee7 c\u00f4ng. C\u00e1c t\u00e1c v\u1ee5 b\u1ea3o tr\u00ec \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ef1 \u0111\u1ed9ng, bao g\u1ed3m c\u1ea3 qu\u00e1 tr\u00ecnh c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m, di\u1ec5n ra theo l\u1ecbch tr\u00ecnh m\u00e0 kh\u00f4ng c\u1ea7n gi\u00e1m s\u00e1t.<\/p>\n<p>Nh\u1edd t\u00ednh b\u1ea3o m\u1eadt cao v\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch, h\u1ec7 th\u1ed1ng h\u1ea1n ch\u1ebf t\u1ed1i \u0111a c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tai-sao-chuyen-doi-du-phong-lai-quan-trong-va-can-thiet\"><\/span>T\u1ea1i sao chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng l\u1ea1i quan tr\u1ecdng v\u00e0 c\u1ea7n thi\u1ebft?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng (Failover) l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m quan tr\u1ecdng trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 th\u00f4ng tin, \u0111\u1eb7c bi\u1ec7t trong vi\u1ec7c duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u00fd do gi\u1ea3i th\u00edch t\u1ea1i sao failover l\u1ea1i c\u1ea7n thi\u1ebft v\u00e0 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p v\u00e0 t\u1ed5 ch\u1ee9c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dam-bao-tinh-lien-tuc-cua-dich-vu\"><\/span>\u0110\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a d\u1ecbch v\u1ee5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t s\u1ef1 c\u1ed1 nh\u1ecf c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t doanh thu v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn uy t\u00edn c\u1ee7a doanh nghi\u1ec7p, Failover gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1ecbch v\u1ee5 v\u1eabn ho\u1ea1t \u0111\u1ed9ng ngay c\u1ea3 khi m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng g\u1eb7p s\u1ef1 c\u1ed1. Theo InterData, failover l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng <a href=\"https:\/\/interdata.vn\/blog\/downtime-la-gi\/\">downtime<\/a> v\u00e0 gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a website.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Giam-thieu-thoi-gian-ngung-hoat-dong\"><\/span>Gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng (downtime) c\u00f3 th\u1ec3 g\u00e2y ra thi\u1ec7t h\u1ea1i l\u1edbn cho doanh nghi\u1ec7p, Failover cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i nhanh ch\u00f3ng sang h\u1ec7 th\u1ed1ng d\u1ef1 ph\u00f2ng, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p>Failover l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong c\u00e1c k\u1ebf ho\u1ea1ch ph\u1ee5c h\u1ed3i th\u1ea3m h\u1ecda, gi\u00fap duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c c\u1ee7a doanh nghi\u1ec7p v\u00e0 tr\u00e1nh m\u1ea5t doanh thu li\u00ean quan \u0111\u1ebfn downtime.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bao-ve-du-lieu\"><\/span>B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng, d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c sao l\u01b0u v\u00e0 b\u1ea3o v\u1ec7. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng th\u00f4ng tin quan tr\u1ecdng kh\u00f4ng b\u1ecb m\u1ea5t m\u00e1t trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra s\u1ef1 c\u1ed1, Failover kh\u00f4ng ch\u1ec9 gi\u00fap duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ee7a doanh nghi\u1ec7p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tang-cuong-do-tin-cay\"><\/span>T\u0103ng c\u01b0\u1eddng \u0111\u1ed9 tin c\u1eady<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vi\u1ec7c tri\u1ec3n khai h\u1ec7 th\u1ed1ng failover gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 tin c\u1eady c\u1ee7a d\u1ecbch v\u1ee5, ng\u01b0\u1eddi d\u00f9ng s\u1ebd c\u1ea3m th\u1ea5y y\u00ean t\u00e2m h\u01a1n khi bi\u1ebft r\u1eb1ng d\u1ecbch v\u1ee5 h\u1ecd s\u1eed d\u1ee5ng c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i nhanh ch\u00f3ng trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra s\u1ef1 c\u1ed1. Failover gi\u00fap web duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c v\u00e0 h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng m\u1ea5t kh\u00e1ch h\u00e0ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dap-ung-yeu-cau-kinh-doanh\"><\/span>\u0110\u00e1p \u1ee9ng y\u00eau c\u1ea7u kinh doanh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u00e0i ch\u00ednh, y t\u1ebf v\u00e0 d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn, y\u00eau c\u1ea7u t\u00ednh li\u00ean t\u1ee5c cao, Failover gi\u00fap c\u00e1c doanh nghi\u1ec7p \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u n\u00e0y b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1ecbch v\u1ee5 lu\u00f4n s\u1eb5n s\u00e0ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. Failover clusters cung c\u1ea5p kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 t\u00ednh s\u1eb5n c\u00f3, gi\u00fap doanh nghi\u1ec7p duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng ngay c\u1ea3 khi g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n<figure id=\"attachment_17892\" aria-describedby=\"caption-attachment-17892\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tai-sao-chuyen-doi-du-phong-lai-quan-trong-va-can-thiet-1.png\" alt=\"T\u1ea1i sao chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng l\u1ea1i quan tr\u1ecdng v\u00e0 c\u1ea7n thi\u1ebft?\" width=\"800\" height=\"500\" class=\"size-full wp-image-17892\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tai-sao-chuyen-doi-du-phong-lai-quan-trong-va-can-thiet-1.png 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tai-sao-chuyen-doi-du-phong-lai-quan-trong-va-can-thiet-1-300x188.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tai-sao-chuyen-doi-du-phong-lai-quan-trong-va-can-thiet-1-768x480.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tai-sao-chuyen-doi-du-phong-lai-quan-trong-va-can-thiet-1-750x469.png 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-17892\" class=\"wp-caption-text\">T\u1ea1i sao chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng l\u1ea1i quan tr\u1ecdng v\u00e0 c\u1ea7n thi\u1ebft?<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Toi-uu-hoa-trai-nghiem-nguoi-dung\"><\/span>T\u1ed1i \u01b0u h\u00f3a tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ng\u01b0\u1eddi d\u00f9ng s\u1ebd kh\u00f4ng ph\u1ea3i tr\u1ea3i qua s\u1ef1 gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m c\u1ee7a h\u1ecd. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 h\u00e0i l\u00f2ng cao h\u01a1n v\u00e0 gi\u1eef ch\u00e2n kh\u00e1ch h\u00e0ng l\u00e2u d\u00e0i. Vi\u1ec7c duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c th\u00f4ng qua failover gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ef1 tin t\u01b0\u1edfng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0o d\u1ecbch v\u1ee5 m\u00e0 h\u1ecd \u0111ang s\u1eed d\u1ee5ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Giam-thieu-chi-phi\"><\/span>Gi\u1ea3m thi\u1ec3u chi ph\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1eb7c d\u00f9 vi\u1ec7c tri\u1ec3n khai h\u1ec7 th\u1ed1ng failover c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m ban \u0111\u1ea7u, nh\u01b0ng n\u00f3 gi\u00fap gi\u1ea3m thi\u1ec3u chi ph\u00ed ph\u00e1t sinh do th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 m\u1ea5t m\u00e1t doanh thu.<\/p>\n<p>Vi\u1ec7c duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed cho doanh nghi\u1ec7p trong d\u00e0i h\u1ea1n. Failover gi\u00fap doanh nghi\u1ec7p ti\u1ebft ki\u1ec7m ng\u00e2n s\u00e1ch khi gi\u1ea3m thi\u1ec3u r\u1ee7i ro m\u1ea5t m\u00e1t doanh thu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"-Tang-cuong-kha-nang-mo-rong\"><\/span>\u00a0T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u1ec7 th\u1ed1ng failover c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng. Khi doanh nghi\u1ec7p ph\u00e1t tri\u1ec3n, h\u1ecd c\u00f3 th\u1ec3 th\u00eam c\u00e1c th\u00e0nh ph\u1ea7n m\u1edbi v\u00e0o h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5. \u0110i\u1ec1u n\u00e0y gi\u00fap doanh nghi\u1ec7p linh ho\u1ea1t h\u01a1n trong vi\u1ec7c m\u1edf r\u1ed9ng quy m\u00f4 ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n<p>Chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng (Failover) kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong chi\u1ebfn l\u01b0\u1ee3c kinh doanh c\u1ee7a c\u00e1c t\u1ed5 ch\u1ee9c. N\u00f3 gi\u00fap \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a d\u1ecbch v\u1ee5, gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 tin c\u1eady.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p, vi\u1ec7c tri\u1ec3n khai h\u1ec7 th\u1ed1ng failover l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-loai-hosting-Failover-pho-bien\"><\/span>C\u00e1c lo\u1ea1i hosting Failover ph\u1ed5 bi\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Failover hosting l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p quan tr\u1ecdng cho c\u00e1c doanh nghi\u1ec7p nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a d\u1ecbch v\u1ee5. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 hai lo\u1ea1i hosting Failover ph\u1ed5 bi\u1ebfn:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Hardware-Failover-Failover-phan-cung\"><\/span>1. Hardware Failover (Failover ph\u1ea7n c\u1ee9ng)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hardware Failover l\u00e0 lo\u1ea1i hosting m\u00e0 trong \u0111\u00f3 website c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7 v\u1eadt l\u00fd kh\u00e1c nhau. M\u1ed9t m\u00e1y ch\u1ee7 ch\u00ednh s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ea1y website, trong khi c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c s\u1ebd ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c b\u1ea3n sao d\u1ef1 ph\u00f2ng.<\/p>\n<p>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng: Khi m\u00e1y ch\u1ee7 ch\u00ednh g\u1eb7p s\u1ef1 c\u1ed1, h\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i sang m\u00e1y ch\u1ee7 d\u1ef1 ph\u00f2ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng website v\u1eabn ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u quan tr\u1ecdng.<\/p>\n<p>\u01afu \u0111i\u1ec3m:<\/p>\n<ul>\n<li>\u0110\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 li\u00ean t\u1ee5c cho website.<\/li>\n<li>D\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o tr\u00ec, v\u00ec c\u00e1c m\u00e1y ch\u1ee7 ph\u1ea7n c\u1ee9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t tr\u1ef1c ti\u1ebfp.<\/li>\n<li>T\u0103ng c\u01b0\u1eddng \u0111\u1ed9 tin c\u1eady cho d\u1ecbch v\u1ee5, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p y\u00eau c\u1ea7u t\u00ednh li\u00ean t\u1ee5c cao.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2-Cloud-Failover-Failover-dam-may\"><\/span>2. Cloud Failover (Failover \u0111\u00e1m m\u00e2y)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cloud Failover l\u00e0 lo\u1ea1i hosting m\u00e0 trong \u0111\u00f3 website c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p linh ho\u1ea1t h\u01a1n trong vi\u1ec7c qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/p>\n<p>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng: Khi m\u1ed9t m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y g\u1eb7p s\u1ef1 c\u1ed1, h\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i sang m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y kh\u00e1c m\u00e0 kh\u00f4ng g\u00e2y ra gi\u00e1n \u0111o\u1ea1n cho d\u1ecbch v\u1ee5. \u0110i\u1ec1u n\u00e0y gi\u00fap duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng c\u1ee7a website m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<p>\u01afu \u0111i\u1ec3m:<\/p>\n<ul>\n<li>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t, cho ph\u00e9p doanh nghi\u1ec7p d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng t\u00e0i nguy\u00ean khi c\u1ea7n thi\u1ebft.<\/li>\n<li>Gi\u1ea3m thi\u1ec3u chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u, v\u00ec kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u1ea7u t\u01b0 v\u00e0o ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd.<\/li>\n<li>T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i v\u00e0 \u0111\u1ed9 tin c\u1eady, nh\u1edd v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng nhi\u1ec1u m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y.<\/li>\n<\/ul>\n<p>C\u1ea3 Hardware Failover v\u00e0 Cloud Failover \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang, gi\u00fap \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c v\u00e0 \u0111\u1ed9 tin c\u1eady cho d\u1ecbch v\u1ee5. Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i hosting Failover ph\u00f9 h\u1ee3p s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a doanh nghi\u1ec7p, bao g\u1ed3m ng\u00e2n s\u00e1ch, y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nguyen-ly-hoat-dong-cua-Failover-va-can-bang-tai\"><\/span>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Failover v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Failover v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn c\u00f9ng nhau, nh\u01b0ng m\u1ed7i kh\u00e1i ni\u1ec7m l\u1ea1i c\u00f3 m\u1ee5c \u0111\u00edch v\u00e0 c\u00e1ch tri\u1ec3n khai kh\u00e1c nhau. Failover l\u00e0 c\u01a1 ch\u1ebf \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a h\u1ec7 th\u1ed1ng khi m\u1ed9t m\u00e1y ch\u1ee7 g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Trien-khai-Failover\"><\/span>Tri\u1ec3n khai Failover<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ec3 tri\u1ec3n khai Failover, ng\u01b0\u1eddi qu\u1ea3n l\u00fd c\u1ea7n sao ch\u00e9p d\u1eef li\u1ec7u l\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7 kh\u00e1c nhau, bao g\u1ed3m sao ch\u00e9p c\u01a1 s\u1edf d\u1eef li\u1ec7u (th\u01b0\u1eddng s\u1eed d\u1ee5ng <a href=\"https:\/\/interdata.vn\/blog\/mysql-la-gi\/\">MySQL<\/a>) v\u00e0 sao ch\u00e9p c\u00e1c th\u01b0 m\u1ee5c (s\u1eed d\u1ee5ng rsync cron). Khi Failover \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i di\u1ec5n ra b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i <a href=\"https:\/\/interdata.vn\/blog\/dia-chi-ip-la-gi\/\">\u0111\u1ecba ch\u1ec9 IP<\/a> m\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/domain-la-gi\/\">t\u00ean mi\u1ec1n<\/a> c\u1ee7a website tr\u1ecf t\u1edbi.<\/p>\n<figure id=\"attachment_17893\" aria-describedby=\"caption-attachment-17893\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nguyen-ly-hoat-dong-cua-Failover.png\" alt=\"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Failover\" width=\"750\" height=\"525\" class=\"size-full wp-image-17893\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nguyen-ly-hoat-dong-cua-Failover.png 750w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nguyen-ly-hoat-dong-cua-Failover-300x210.png 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-17893\" class=\"wp-caption-text\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Failover<\/figcaption><\/figure>\n<p>Sau khi c\u1eadp nh\u1eadt m\u00e1y ch\u1ee7 <a href=\"https:\/\/interdata.vn\/blog\/dns-la-gi\/\">DNS<\/a>, c\u1ea7n v\u00e0i ph\u00fat \u0111\u1ec3 IP m\u1edbi c\u00f3 hi\u1ec7u l\u1ef1c. N\u1ebfu m\u1ed9t m\u00e1y client \u0111\u00e3 l\u01b0u l\u1ea1i \u0111\u1ecba ch\u1ec9 IP c\u0169, th\u1eddi gian thay \u0111\u1ed5i c\u00f3 th\u1ec3 l\u00e2u h\u01a1n do qu\u00e1 tr\u00ecnh l\u00e0m m\u1edbi.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cach-trien-khai-can-bang-tai\"><\/span>C\u00e1ch tri\u1ec3n khai c\u00e2n b\u1eb1ng t\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e2n b\u1eb1ng t\u1ea3i l\u00e0 qu\u00e1 tr\u00ecnh ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp gi\u1eefa nhi\u1ec1u m\u00e1y ch\u1ee7 trong m\u1ed9t h\u1ec7 th\u1ed1ng, gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f4ng c\u00f3 m\u00e1y ch\u1ee7 n\u00e0o b\u1ecb qu\u00e1 t\u1ea3i d\u1eabn \u0111\u1ebfn ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng. C\u01a1 ch\u1ebf n\u00e0y gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch chia \u0111\u1ec1u c\u00f4ng vi\u1ec7c cho c\u00e1c m\u00e1y ch\u1ee7.<\/p>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p m\u1ed9t m\u00e1y ch\u1ee7 g\u1eb7p s\u1ef1 c\u1ed1, l\u01b0u l\u01b0\u1ee3ng c\u1ee7a n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n sang c\u00e1c m\u00e1y ch\u1ee7 c\u00f2n l\u1ea1i, gi\u00fap h\u1ec7 th\u1ed1ng duy tr\u00ec hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 tr\u00e1nh t\u00ecnh tr\u1ea1ng downtime.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e2n b\u1eb1ng t\u1ea3i c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u1edf r\u1ed9ng quy m\u00f4 h\u1ec7 th\u1ed1ng m\u1ea1ng m\u1ed9t c\u00e1ch linh ho\u1ea1t. Khi c\u00f3 th\u00eam m\u1ed9t m\u00e1y ch\u1ee7 m\u1edbi, kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 hi\u1ec7n c\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i sang m\u00e1y ch\u1ee7 m\u1edbi m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n qu\u00e1 tr\u00ecnh truy c\u1eadp ho\u1eb7c v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng.<\/p>\n<p>Nh\u1edd qu\u00e1 tr\u00ecnh ph\u00e2n chia t\u1eeb m\u00e1y ch\u1ee7 hi\u1ec7n c\u00f3 sang m\u00e1y ch\u1ee7 m\u1edbi, h\u1ec7 th\u1ed1ng kh\u00f4ng ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ph\u1ee5c v\u1ee5 s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng l\u1edbn h\u01a1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Su-khac-biet-giua-Failover-va-sao-luu-du-lieu-Back-Up\"><\/span>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Failover v\u00e0 sao l\u01b0u d\u1eef li\u1ec7u (Back-Up)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Failover v\u00e0 sao l\u01b0u d\u1eef li\u1ec7u (Back-Up) l\u00e0 hai kh\u00e1i ni\u1ec7m kh\u00e1c nhau v\u1ec1 m\u1ee5c \u0111\u00edch v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, m\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u nh\u1eb1m m\u1ee5c \u0111\u00edch b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng. D\u01b0\u1edbi \u0111\u00e2y, c\u00f9ng t\u00ecm hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa Back-Up v\u00e0 Failover l\u00e0 g\u00ec.<\/p>\n<p><strong>M\u1ee5c \u0111\u00edch:<\/strong><\/p>\n<ul>\n<li><strong>Failover<\/strong>: \u0110\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a d\u1ecbch v\u1ee5 b\u1eb1ng c\u00e1ch t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i sang h\u1ec7 th\u1ed1ng d\u1ef1 ph\u00f2ng khi h\u1ec7 th\u1ed1ng ch\u00ednh g\u1eb7p s\u1ef1 c\u1ed1.<\/li>\n<li><strong>Sao l\u01b0u d\u1eef li\u1ec7u<\/strong>: Sao ch\u00e9p v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u1ec3 ph\u1ee5c h\u1ed3i khi c\u1ea7n thi\u1ebft, ch\u1ee7 y\u1ebfu nh\u1eb1m b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u kh\u1ecfi m\u1ea5t m\u00e1t.<\/li>\n<\/ul>\n<figure id=\"attachment_17895\" aria-describedby=\"caption-attachment-17895\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Su-khac-biet-giua-Failover-va-sao-luu-du-lieu-Back-Up.png\" alt=\"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Failover v\u00e0 sao l\u01b0u d\u1eef li\u1ec7u (Back-Up)\" width=\"800\" height=\"500\" class=\"size-full wp-image-17895\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Su-khac-biet-giua-Failover-va-sao-luu-du-lieu-Back-Up.png 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Su-khac-biet-giua-Failover-va-sao-luu-du-lieu-Back-Up-300x188.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Su-khac-biet-giua-Failover-va-sao-luu-du-lieu-Back-Up-768x480.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Su-khac-biet-giua-Failover-va-sao-luu-du-lieu-Back-Up-750x469.png 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-17895\" class=\"wp-caption-text\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Failover v\u00e0 sao l\u01b0u d\u1eef li\u1ec7u (Back-Up)<\/figcaption><\/figure>\n<p><strong>Th\u1eddi gian ph\u1ee5c h\u1ed3i:<\/strong><\/p>\n<ul>\n<li><strong>Failover<\/strong>: Th\u1eddi gian ph\u1ee5c h\u1ed3i nhanh ch\u00f3ng, th\u01b0\u1eddng trong v\u00e0i gi\u00e2y ho\u1eb7c v\u00e0i ph\u00fat.<\/li>\n<li><strong>Sao l\u01b0u d\u1eef li\u1ec7u<\/strong>: Th\u1eddi gian ph\u1ee5c h\u1ed3i c\u00f3 th\u1ec3 l\u00e2u h\u01a1n, t\u00f9y thu\u1ed9c v\u00e0o quy tr\u00ecnh kh\u00f4i ph\u1ee5c.<\/li>\n<\/ul>\n<p><strong>T\u00ednh t\u1ef1 \u0111\u1ed9ng:<\/strong><\/p>\n<ul>\n<li><strong>Failover<\/strong>: Th\u01b0\u1eddng l\u00e0 qu\u00e1 tr\u00ecnh t\u1ef1 \u0111\u1ed9ng, kh\u00f4ng c\u1ea7n s\u1ef1 can thi\u1ec7p c\u1ee7a con ng\u01b0\u1eddi.<\/li>\n<li><strong>Sao l\u01b0u d\u1eef li\u1ec7u<\/strong>: C\u00f3 th\u1ec3 l\u00e0 qu\u00e1 tr\u00ecnh t\u1ef1 \u0111\u1ed9ng ho\u1eb7c th\u1ee7 c\u00f4ng, t\u00f9y thu\u1ed9c v\u00e0o c\u00e1ch c\u1ea5u h\u00ecnh.<\/li>\n<\/ul>\n<p>V\u00ed d\u1ee5, khi m\u1ed9t m\u00e1y ch\u1ee7 g\u1eb7p s\u1ef1 c\u1ed1, Failover s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i sang m\u00e1y ch\u1ee7 d\u1ef1 ph\u00f2ng \u0111\u1ec3 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ee9ng d\u1ee5ng. Tuy nhi\u00ean, n\u1ebfu s\u1ef1 c\u1ed1 g\u00e2y ra m\u1ea5t m\u00e1t d\u1eef li\u1ec7u, c\u00e1c b\u1ea3n sao l\u01b0u d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u quan tr\u1ecdng.<\/p>\n<p>Qua so s\u00e1nh tr\u00ean c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng, Failover v\u00e0 sao l\u01b0u d\u1eef li\u1ec7u l\u00e0 hai c\u00f4ng c\u1ee5 quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng v\u00e0 d\u1eef li\u1ec7u, m\u1eb7c d\u00f9 ch\u00fang c\u00f3 m\u1ee5c \u0111\u00edch v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau. Vi\u1ec7c k\u1ebft h\u1ee3p c\u1ea3 hai gi\u1ea3i ph\u00e1p s\u1ebd mang l\u1ea1i s\u1ef1 b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n h\u01a1n cho doanh nghi\u1ec7p.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cai-dat-Failover-tren-nen-tang-pfSense\"><\/span>C\u00e0i \u0111\u1eb7t Failover tr\u00ean n\u1ec1n t\u1ea3ng pfSense<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 c\u00e0i \u0111\u1eb7t failover tr\u00ean pfSense, b\u1ea1n c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<p><strong>B\u01b0\u1edbc 1<\/strong>: B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 c\u1ea5u h\u00ecnh Network Interface khi c\u00e0i \u0111\u1eb7t pfSense. Sau khi c\u00e0i \u0111\u1eb7t, m\u00e0n h\u00ecnh s\u1ebd hi\u1ec3n th\u1ecb c\u00e1c Interface c\u00f3 s\u1eb5n \u0111\u1ec3 c\u1ea5u h\u00ecnh.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cau-hinh-Network-Interface-khi-cai-dat-pfSense.webp\" alt=\"C\u1ea5u h\u00ecnh Network Interface khi c\u00e0i \u0111\u1eb7t pfSense\" width=\"620\" height=\"347\" class=\"aligncenter size-full wp-image-17862\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cau-hinh-Network-Interface-khi-cai-dat-pfSense.webp 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cau-hinh-Network-Interface-khi-cai-dat-pfSense-300x168.webp 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p>\u0110\u1ea7u ti\u00ean, ch\u1ecdn Interface 1 l\u00e0m WAN 1, thi\u1ebft l\u1eadp nh\u1eadn IP t\u1ef1 \u0111\u1ed9ng qua <a href=\"https:\/\/interdata.vn\/blog\/dhcp-la-gi\/\">DHCP<\/a>. Ti\u1ebfp theo, ch\u1ecdn Interface 2 l\u00e0 LAN. Sau \u0111\u00f3, ch\u1ecdn Interface em1 cho WAN1, c\u0169ng nh\u1eadn IP t\u1eeb DHCP.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-Interface.webp\" alt=\"Ch\u1ecdn Interface\" width=\"620\" height=\"325\" class=\"aligncenter size-full wp-image-17863\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-Interface.webp 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-Interface-300x157.webp 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p>Ti\u1ebfp t\u1ee5c v\u1edbi vi\u1ec7c c\u00e0i \u0111\u1eb7t c\u1ea5u h\u00ecnh <a href=\"https:\/\/interdata.vn\/blog\/load-balancing\/\">Load Balancing<\/a>, sau \u0111\u00f3 \u0111\u0103ng nh\u1eadp v\u00e0o b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a pfSense. Khi \u0111\u0103ng nh\u1eadp th\u00e0nh c\u00f4ng, c\u00e1c card <a href=\"https:\/\/interdata.vn\/blog\/mang-lan\/\">m\u1ea1ng LAN<\/a> v\u00e0 WAN s\u1ebd xu\u1ea5t hi\u1ec7n tr\u00ean giao di\u1ec7n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Dang-nhap-thanh-cong-cac-card-mang-LAN-va-WAN-se-xuat-hien-tren-giao-dien.webp\" alt=\"\u0110\u0103ng nh\u1eadp th\u00e0nh c\u00f4ng, c\u00e1c card m\u1ea1ng LAN v\u00e0 WAN s\u1ebd xu\u1ea5t hi\u1ec7n tr\u00ean giao di\u1ec7n\" width=\"472\" height=\"450\" class=\"aligncenter size-full wp-image-17864\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Dang-nhap-thanh-cong-cac-card-mang-LAN-va-WAN-se-xuat-hien-tren-giao-dien.webp 472w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Dang-nhap-thanh-cong-cac-card-mang-LAN-va-WAN-se-xuat-hien-tren-giao-dien-300x286.webp 300w\" sizes=\"auto, (max-width: 472px) 100vw, 472px\" \/><\/p>\n<p>T\u1eeb Menu, \u1ea5n ch\u1ecdn m\u1ee5c Interface \u0111\u1ec3 b\u1eaft \u0111\u1ea7u c\u1ea5u h\u00ecnh. \u0110\u1ec3 th\u00eam m\u00f4 t\u1ea3 cho WAN1, b\u1ea1n nh\u1ea5p v\u00e0o WAN v\u00e0 ti\u1ebfn h\u00e0nh th\u00eam m\u00f4 t\u1ea3 c\u1ea7n thi\u1ebft. Sau khi ho\u00e0n t\u1ea5t, ch\u1ecdn &#8220;<strong>Save<\/strong>&#8221; \u0111\u1ec3 l\u01b0u l\u1ea1i c\u00e1c thay \u0111\u1ed5i.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nhap-vao-WAN-de-tien-hanh-them-mo-ta-cho-WAN1.webp\" alt=\"Nh\u1ea5p v\u00e0o WAN \u0111\u1ec3 ti\u1ebfn h\u00e0nh th\u00eam m\u00f4 t\u1ea3 cho WAN1\" width=\"502\" height=\"156\" class=\"size-full wp-image-17865\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nhap-vao-WAN-de-tien-hanh-them-mo-ta-cho-WAN1.webp 502w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nhap-vao-WAN-de-tien-hanh-them-mo-ta-cho-WAN1-300x93.webp 300w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/><\/p>\n<p>Ti\u1ebfp theo, quay l\u1ea1i m\u1ee5c Interface v\u00e0 ch\u1ecdn OPT1. Nh\u1ea5p v\u00e0o &#8220;<strong>Enable Interface<\/strong>&#8220;, sau \u0111\u00f3 \u0111\u1ed5i t\u00ean t\u1eeb OPT1 th\u00e0nh WAN2 \u0111\u1ec3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh c\u1ea5u h\u00ecnh.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Doi-ten-tu-OPT1-thanh-WAN2-de-hoan-tat.webp\" alt=\"\u0110\u1ed5i t\u00ean t\u1eeb OPT1 th\u00e0nh WAN2 \u0111\u1ec3 ho\u00e0n t\u1ea5t\" width=\"441\" height=\"189\" class=\"size-full wp-image-17866\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Doi-ten-tu-OPT1-thanh-WAN2-de-hoan-tat.webp 441w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Doi-ten-tu-OPT1-thanh-WAN2-de-hoan-tat-300x129.webp 300w\" sizes=\"auto, (max-width: 441px) 100vw, 441px\" \/><\/p>\n<p>T\u1ea1i m\u1ee5c &#8220;<strong><a href=\"https:\/\/interdata.vn\/blog\/ipv4-la-gi\/\">IPv4<\/a> Configuration Type<\/strong>&#8220;, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn DHCP, v\u00e0 \u0111\u1ed1i v\u1edbi m\u1ee5c &#8220;<strong><a href=\"https:\/\/interdata.vn\/blog\/ipv6-la-gi\/\">IPv6<\/a> Configuration Type<\/strong>&#8220;, l\u1ef1a ch\u1ecdn DHCPV6 n\u1ebfu c\u1ea7n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-DHCP-hoac-DHCPV6-o-muc-IPv6-Configuration-Type.webp\" alt=\"Ch\u1ecdn DHCP ho\u1eb7c DHCPV6 \u1edf m\u1ee5c IPv6 Configuration Type\" width=\"474\" height=\"213\" class=\"size-full wp-image-17867\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-DHCP-hoac-DHCPV6-o-muc-IPv6-Configuration-Type.webp 474w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-DHCP-hoac-DHCPV6-o-muc-IPv6-Configuration-Type-300x135.webp 300w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/p>\n<p>\u0110\u1ec3 b\u1ecf ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng t\u1eeb h\u1ec7 th\u1ed1ng m\u1ea1ng n\u1ed9i b\u1ed9, t\u1ea1i ph\u1ea7n &#8220;<strong>Private Network<\/strong>&#8220;, b\u1ea1n b\u1ecf ch\u1ecdn t\u00f9y ch\u1ecdn &#8220;<strong>Block Private Network<\/strong>&#8220;. Sau \u0111\u00f3, nh\u1ea5n &#8220;<strong>Save<\/strong>&#8221; \u0111\u1ec3 l\u01b0u c\u00e1c thay \u0111\u1ed5i.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nhan-Save-de-luu-cac-thay-doi.webp\" alt=\"Nh\u1ea5n Save \u0111\u1ec3 l\u01b0u c\u00e1c thay \u0111\u1ed5i\" width=\"620\" height=\"189\" class=\"aligncenter size-full wp-image-17868\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nhan-Save-de-luu-cac-thay-doi.webp 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nhan-Save-de-luu-cac-thay-doi-300x91.webp 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p>Cu\u1ed1i c\u00f9ng, click v\u00e0o &#8220;<strong>Apply Changes<\/strong>&#8221; \u0111\u1ec3 x\u00e1c nh\u1eadn v\u00e0 \u00e1p d\u1ee5ng c\u00e1c thay \u0111\u1ed5i v\u1eeba th\u1ef1c hi\u1ec7n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Click-vao-Apply-Changes-de-xac-nhan.webp\" alt=\"Click v\u00e0o Apply Changes \u0111\u1ec3 x\u00e1c nh\u1eadn\" width=\"620\" height=\"139\" class=\"size-full wp-image-17869\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Click-vao-Apply-Changes-de-xac-nhan.webp 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Click-vao-Apply-Changes-de-xac-nhan-300x67.webp 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p>Xu\u1ea5t hi\u1ec7n 3 Interface t\u1ea1i Dashboard.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Xuat-hien-3-Interface-tai-Dashboard.webp\" alt=\"Xu\u1ea5t hi\u1ec7n 3 Interface t\u1ea1i Dashboard\" width=\"397\" height=\"201\" class=\"aligncenter size-full wp-image-17870\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Xuat-hien-3-Interface-tai-Dashboard.webp 397w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Xuat-hien-3-Interface-tai-Dashboard-300x152.webp 300w\" sizes=\"auto, (max-width: 397px) 100vw, 397px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 2<\/strong>: C\u1ea5u h\u00ecnh Monitor IP. \u0110\u1ea7u ti\u00ean, nh\u1ea5n v\u00e0o m\u1ee5c &#8220;<strong>System<\/strong>&#8221; tr\u00ean menu, sau \u0111\u00f3 ch\u1ecdn &#8220;<strong>Routing<\/strong>&#8220;.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cau-hinh-Monitor-IP.webp\" alt=\"C\u1ea5u h\u00ecnh Monitor IP\" width=\"620\" height=\"302\" class=\"aligncenter size-full wp-image-17871\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cau-hinh-Monitor-IP.webp 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cau-hinh-Monitor-IP-300x146.webp 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p>T\u1ea1i \u0111\u00e2y, b\u1ea1n nh\u1eadp \u0111\u1ecba ch\u1ec9 IP cho c\u1ea3 WAN1 (218.248.233) v\u00e0 WAN2 (8.8.8.8).<\/p>\n<figure id=\"attachment_17872\" aria-describedby=\"caption-attachment-17872\" style=\"width: 620px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nhap-dia-chi-IP-cho-ca-WAN1-va-WAN2.webp\" alt=\"Nh\u1eadp \u0111\u1ecba ch\u1ec9 IP cho c\u1ea3 WAN1 v\u00e0 WAN2\" width=\"620\" height=\"412\" class=\"size-full wp-image-17872\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nhap-dia-chi-IP-cho-ca-WAN1-va-WAN2.webp 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Nhap-dia-chi-IP-cho-ca-WAN1-va-WAN2-300x199.webp 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><figcaption id=\"caption-attachment-17872\" class=\"wp-caption-text\">Nh\u1eadp \u0111\u1ecba ch\u1ec9 IP cho c\u1ea3 WAN1 v\u00e0 WAN2<\/figcaption><\/figure>\n<p>Ti\u1ebfp theo, click v\u00e0o m\u1ee5c &#8220;<strong>Advanced<\/strong>&#8221; v\u00e0 \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb &#8220;<strong>Down<\/strong>&#8221; th\u00e0nh m\u1ed9t s\u1ed1 th\u1ea5p h\u01a1n gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh (v\u00ed d\u1ee5: t\u1eeb 10 xu\u1ed1ng 3) \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 gi\u00e1m s\u00e1t k\u1ebft n\u1ed1i.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Click-vao-muc-Advanced-va-dieu-chinh-gia-tri-Down.webp\" alt=\"Click v\u00e0o m\u1ee5c Advanced v\u00e0 \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb Down\" width=\"608\" height=\"386\" class=\"aligncenter size-full wp-image-17873\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Click-vao-muc-Advanced-va-dieu-chinh-gia-tri-Down.webp 608w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Click-vao-muc-Advanced-va-dieu-chinh-gia-tri-Down-300x190.webp 300w\" sizes=\"auto, (max-width: 608px) 100vw, 608px\" \/><\/p>\n<p>Ti\u1ebfp theo, ti\u1ebfn h\u00e0nh c\u1ea5u h\u00ecnh cho WAN2 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 WAN1.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tien-hanh-cau-hinh-cho-WAN2-tuong-tu-nhu-WAN1.webp\" alt=\"Ti\u1ebfn h\u00e0nh c\u1ea5u h\u00ecnh cho WAN2 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 WAN1\" width=\"511\" height=\"450\" class=\"aligncenter size-full wp-image-17874\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tien-hanh-cau-hinh-cho-WAN2-tuong-tu-nhu-WAN1.webp 511w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tien-hanh-cau-hinh-cho-WAN2-tuong-tu-nhu-WAN1-300x264.webp 300w\" sizes=\"auto, (max-width: 511px) 100vw, 511px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 3<\/strong>: C\u1ea5u h\u00ecnh Gateway Group. \u0110\u1ea7u ti\u00ean, ch\u1ecdn v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng d\u1ea5u (<strong>+<\/strong>) \u1edf ph\u00eda b\u00ean ph\u1ea3i \u0111\u1ec3 th\u00eam m\u1ed9t nh\u00f3m Gateway m\u1edbi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-bieu-tuong-dau-o-phia-ben-phai-de-them-mot-nhom-Gateway-moi.png\" alt=\"Ch\u1ecdn bi\u1ec3u t\u01b0\u1ee3ng d\u1ea5u + \u1edf ph\u00eda b\u00ean ph\u1ea3i \u0111\u1ec3 th\u00eam m\u1ed9t nh\u00f3m Gateway m\u1edbi\" width=\"620\" height=\"127\" class=\"aligncenter size-full wp-image-17877\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-bieu-tuong-dau-o-phia-ben-phai-de-them-mot-nhom-Gateway-moi.png 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-bieu-tuong-dau-o-phia-ben-phai-de-them-mot-nhom-Gateway-moi-300x61.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p>Sau \u0111\u00f3, \u0111\u1eb7t t\u00ean cho Group theo \u00fd mu\u1ed1n. Ti\u1ebfp t\u1ee5c, ch\u1ecdn m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean (Tier) cho WAN1 v\u00e0 WAN2. Sau khi c\u1ea5u h\u00ecnh xong, nh\u1ea5n &#8220;<strong>Save<\/strong>&#8221; \u0111\u1ec3 l\u01b0u l\u1ea1i nh\u1eefng thay \u0111\u1ed5i. \u0110\u1ec3 c\u1ea5u h\u00ecnh Load Balancer, b\u1ea1n c\u1ea7n ch\u1ecdn c\u00f9ng m\u1ed9t Tier cho c\u1ea3 hai Gateway.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-Tier-cho-WAN1-va-WAN2-sau-do-an-Save.png\" alt=\"Ch\u1ecdn Tier cho WAN1 v\u00e0 WAN2 sau \u0111\u00f3 \u1ea5n Save\" width=\"620\" height=\"189\" class=\"aligncenter size-full wp-image-17876\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-Tier-cho-WAN1-va-WAN2-sau-do-an-Save.png 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Chon-Tier-cho-WAN1-va-WAN2-sau-do-an-Save-300x91.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 4<\/strong>: Thi\u1ebft l\u1eadp Quy t\u1eafc Firewall. Truy c\u1eadp v\u00e0o thanh menu v\u00e0 ch\u1ecdn m\u1ee5c &#8220;<strong>Firewall<\/strong>&#8220;. Ti\u1ebfp theo, nh\u1ea5p v\u00e0o &#8220;<strong>Rules<\/strong>&#8221; v\u00e0 ch\u1ecdn giao di\u1ec7n LAN \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u1ea5u h\u00ecnh. Sau \u0111\u00f3, trong thanh menu, ti\u1ebfp t\u1ee5c ch\u1ecdn &#8220;<strong>Firewall<\/strong>&#8220;.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Thiet-lap-Quy-tac-Firewall.webp\" alt=\"Thi\u1ebft l\u1eadp Quy t\u1eafc Firewall\" width=\"620\" height=\"298\" class=\"aligncenter size-full wp-image-17878\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Thiet-lap-Quy-tac-Firewall.webp 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Thiet-lap-Quy-tac-Firewall-300x144.webp 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p>K\u00e9o xu\u1ed1ng cu\u1ed1i trang \u0111\u1ebfn ph\u1ea7n &#8220;<strong>Advanced Features<\/strong>&#8220;, t\u1ea1i m\u1ee5c &#8220;<strong>Gateway<\/strong>&#8220;, ch\u1ecdn nh\u00f3m Gateway v\u1eeba \u0111\u01b0\u1ee3c t\u1ea1o. Cu\u1ed1i c\u00f9ng, nh\u1ea5n &#8220;<strong>Save<\/strong>&#8221; \u0111\u1ec3 l\u01b0u l\u1ea1i thay \u0111\u1ed5i. L\u00fac n\u00e0y, Gateway s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb theo h\u00ecnh minh h\u1ecda ph\u00eda d\u01b0\u1edbi.<\/p>\n<p><strong>B\u01b0\u1edbc 5<\/strong>: Ki\u1ec3m tra LoadBalancer. Truy c\u1eadp v\u00e0o m\u1ee5c &#8220;<strong>Status<\/strong>&#8221; tr\u00ean thanh menu. Sau \u0111\u00f3, ti\u1ebfp t\u1ee5c ch\u1ecdn &#8220;<strong>Gateway<\/strong>&#8221; v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea3 hai Gateway \u0111\u1ec1u \u0111ang \u1edf tr\u1ea1ng th\u00e1i online. Trong ph\u1ea7n &#8220;<strong>Traffic Graph<\/strong>&#8220;, b\u1ea1n s\u1ebd th\u1ea5y l\u01b0u l\u01b0\u1ee3ng Traffic \u0111i qua c\u00e1c Gateway.<\/p>\n<figure id=\"attachment_17879\" aria-describedby=\"caption-attachment-17879\" style=\"width: 620px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Kiem-tra-LoadBalancer.png\" alt=\"Ki\u1ec3m tra LoadBalancer\" width=\"620\" height=\"298\" class=\"size-full wp-image-17879\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Kiem-tra-LoadBalancer.png 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Kiem-tra-LoadBalancer-300x144.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><figcaption id=\"caption-attachment-17879\" class=\"wp-caption-text\">Ki\u1ec3m tra LoadBalancer<\/figcaption><\/figure>\n<p><strong>B\u01b0\u1edbc 6<\/strong>: C\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh Failover b\u1eb1ng pfSense. \u0110i \u0111\u1ebfn m\u1ee5c &#8220;<strong>System<\/strong>&#8220;, sau \u0111\u00f3 ch\u1ecdn &#8220;<strong>Routing<\/strong>&#8220;. Ti\u1ebfp theo, ch\u1ecdn &#8220;<strong>Group<\/strong>&#8221; \u0111\u1ec3 truy c\u1eadp v\u00e0o &#8220;<strong>Gateway Group<\/strong>&#8220;. T\u1ea1o m\u1ed9t nh\u00f3m m\u1edbi c\u00f3 t\u00ean l\u00e0 WAN1 Failover, thi\u1ebft l\u1eadp WAN1 \u1edf Tier 1 v\u00e0 WAN2 \u1edf Tier 2.<\/p>\n<p>Trong ph\u1ea7n &#8220;<strong>Trigger Level<\/strong>&#8220;, ch\u1ecdn &#8220;<strong>Packet Loss<\/strong>&#8220;. Th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 cho WAN2.<\/p>\n<p><strong>B\u01b0\u1edbc 7<\/strong>: C\u1ea5u h\u00ecnh Quy t\u1eafc Firewall cho Failover. \u0110\u1ea7u ti\u00ean, \u0111i t\u1edbi menu &#8220;<strong>Firewall<\/strong>&#8221; v\u00e0 ch\u1ecdn &#8220;<strong>Rules<\/strong>&#8220;. Sau \u0111\u00f3, th\u00eam m\u1ed9t quy t\u1eafc m\u1edbi cho Failover b\u1eb1ng c\u00e1ch nh\u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng d\u1ea5u (<strong>+<\/strong>) \u1edf ph\u00eda b\u00ean ph\u1ea3i \u0111\u1ec3 th\u00eam Rule m\u1edbi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cau-hinh-Quy-tac-Firewall-cho-Failover.webp\" alt=\"C\u1ea5u h\u00ecnh Quy t\u1eafc Firewall cho Failover\" width=\"620\" height=\"325\" class=\"aligncenter wp-image-17880 size-full\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cau-hinh-Quy-tac-Firewall-cho-Failover.webp 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cau-hinh-Quy-tac-Firewall-cho-Failover-300x157.webp 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p>Ti\u1ebfn h\u00e0nh c\u1ea5u h\u00ecnh theo h\u01b0\u1edbng d\u1eabn nh\u01b0 trong h\u00ecnh minh h\u1ecda.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tien-hanh-cau-hinh-theo-huong-dan-nhu-trong-hinh-minh-hoa.webp\" alt=\"Ti\u1ebfn h\u00e0nh c\u1ea5u h\u00ecnh theo h\u01b0\u1edbng d\u1eabn nh\u01b0 trong h\u00ecnh minh h\u1ecda\" width=\"576\" height=\"450\" class=\"aligncenter size-full wp-image-17881\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tien-hanh-cau-hinh-theo-huong-dan-nhu-trong-hinh-minh-hoa.webp 576w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Tien-hanh-cau-hinh-theo-huong-dan-nhu-trong-hinh-minh-hoa-300x234.webp 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/p>\n<p>Ch\u1ecdn nh\u00f3m &#8220;<strong>WAN1 Failover<\/strong>&#8221; v\u00e0 sau \u0111\u00f3 nh\u1ea5n &#8220;<strong>Save<\/strong>&#8221; \u0111\u1ec3 l\u01b0u c\u1ea5u h\u00ecnh. H\u00e3y l\u1eb7p l\u1ea1i c\u00e1c b\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec3 c\u1ea5u h\u00ecnh cho &#8220;<strong>WAN2 Failover<\/strong>&#8220;. C\u00e1c quy t\u1eafc d\u00e0nh cho Failover v\u00e0 Load Balancer s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb d\u01b0\u1edbi d\u1ea1ng danh s\u00e1ch sau khi ho\u00e0n t\u1ea5t.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cac-quy-tac-danh-cho-Failover-va-Load-Balancer-se-duoc-hien-thi-duoi-dang-danh-sach.webp\" alt=\"C\u00e1c quy t\u1eafc d\u00e0nh cho Failover v\u00e0 Load Balancer s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb d\u01b0\u1edbi d\u1ea1ng danh s\u00e1ch\" width=\"620\" height=\"299\" class=\"aligncenter size-full wp-image-17882\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cac-quy-tac-danh-cho-Failover-va-Load-Balancer-se-duoc-hien-thi-duoi-dang-danh-sach.webp 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Cac-quy-tac-danh-cho-Failover-va-Load-Balancer-se-duoc-hien-thi-duoi-dang-danh-sach-300x145.webp 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p>G\u00e1n \u00edt nh\u1ea5t m\u1ed9t DNS cho Gateway, sau \u0111\u00f3 nh\u1ea5n &#8220;<strong>Apply Changes<\/strong>&#8221; \u0111\u1ec3 \u00e1p d\u1ee5ng thay \u0111\u1ed5i. \u0110i \u0111\u1ebfn m\u1ee5c &#8220;<strong>General Setup<\/strong>&#8221; \u0111\u1ec3 ki\u1ec3m tra v\u00e0 x\u00e1c nh\u1eadn c\u00e1c DNS \u0111\u00e3 \u0111\u01b0\u1ee3c g\u00e1n \u0111\u00fang.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Kiem-tra-va-xac-nhan-cac-DNS-da-duoc-gan-dung.webp\" alt=\"Ki\u1ec3m tra v\u00e0 x\u00e1c nh\u1eadn c\u00e1c DNS \u0111\u00e3 \u0111\u01b0\u1ee3c g\u00e1n \u0111\u00fang\" width=\"620\" height=\"307\" class=\"aligncenter size-full wp-image-17883\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Kiem-tra-va-xac-nhan-cac-DNS-da-duoc-gan-dung.webp 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/09\/Kiem-tra-va-xac-nhan-cac-DNS-da-duoc-gan-dung-300x149.webp 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p>Sau \u0111\u00f3, nh\u1ea5p v\u00e0o &#8220;<strong>Status<\/strong>&#8220;, ch\u1ecdn &#8220;<strong>Gateway<\/strong>&#8221; \u0111\u1ec3 ki\u1ec3m tra tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c Gateway. Qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh Failover cho pfSense \u0111\u1ebfn \u0111\u00e2y l\u00e0 ho\u00e0n t\u1ea5t.<\/p>\n<p>N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, Failover l\u00e0 gi\u1ea3i ph\u00e1p gi\u00fap gi\u1ea3m thi\u1ec3u th\u1eddi gian gi\u00e1n \u0111o\u1ea1n (Downtime) v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a website. V\u1edbi d\u1ecbch v\u1ee5 Failover Hosting, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n h\u01b0\u1edbng IP ho\u1eb7c t\u00ean mi\u1ec1n \u0111\u1ebfn m\u00e1y ch\u1ee7 kh\u00e1c n\u1ebfu m\u00e1y ch\u1ee7 ch\u00ednh g\u1eb7p s\u1ef1 c\u1ed1. Failover DNS l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p gi\u00fap \u0111\u1ea3m b\u1ea3o website lu\u00f4n duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c.<\/p>\n<p>Failover l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u1ecbch v\u1ee5. Qua b\u00e0i vi\u1ebft c\u1ee7a <strong>InterData<\/strong>, b\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 kh\u00e1i ni\u1ec7m <strong>Failover l\u00e0 g\u00ec<\/strong>, l\u1ee3i \u00edch v\u00e0 c\u00e1ch tri\u1ec3n khai failover, b\u1ea1n c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 doanh nghi\u1ec7p c\u1ee7a m\u00ecnh kh\u1ecfi c\u00e1c s\u1ef1 c\u1ed1 kh\u00f4ng mong mu\u1ed1n v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1ecbch v\u1ee5 lu\u00f4n ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<p>V\u1edbi nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y, b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng failover m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng ngh\u1ec7 c\u1ee7a m\u00ecnh, t\u1eeb \u0111\u00f3 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady v\u00e0 s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<p>InterData.vn mang \u0111\u1ebfn c\u00e1c gi\u1ea3i ph\u00e1p m\u00e1y ch\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0:<span>\u00a0<\/span><a href=\"https:\/\/interdata.vn\/vietnam-dedicated-server\/\">thu\u00ea Server<\/a>,<span>\u00a0<\/span><a href=\"https:\/\/interdata.vn\/cloud-server\/\">thu\u00ea Cloud Server<\/a>,<span>\u00a0<\/span><a href=\"https:\/\/interdata.vn\/thue-vps\/\">thu\u00ea VPS<\/a><span>\u00a0<\/span>v\u00e0<span>\u00a0<\/span><a href=\"https:\/\/interdata.vn\/thue-hosting\/\">thu\u00ea Hosting<\/a>. V\u1edbi h\u1ea1 t\u1ea7ng ph\u1ea7n c\u1ee9ng m\u1edbi nh\u1ea5t s\u1eed d\u1ee5ng b\u1ed9 vi x\u1eed l\u00fd<span>\u00a0<\/span>AMD EPYC<span>\u00a0<\/span>Gen3 c\u00f9ng NVMe U.2, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t d\u1eef li\u1ec7u nhanh ch\u00f3ng. Kh\u00e1ch h\u00e0ng s\u1ebd \u0111\u01b0\u1ee3c tr\u1ea3i nghi\u1ec7m d\u1ecbch v\u1ee5 \u1ed5n \u0111\u1ecbnh v\u1edbi <a href=\"https:\/\/interdata.vn\/blog\/uptime-la-gi\/\">uptime<\/a> l\u00ean \u0111\u1ebfn 99.99% v\u00e0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt 24\/7\/365.<\/p>\n<p>H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i qua th\u00f4ng tin:<\/p>\n<p><strong>InterData<\/strong><\/p>\n<ul>\n<li><strong>Website:<\/strong><span>\u00a0<\/span>Interdata.vn<\/li>\n<li><strong>Hotline 24\/24:<\/strong><span>\u00a0<\/span>1900-636822<\/li>\n<li><strong>Email:<\/strong><span>\u00a0<\/span>Info@interdata.vn<\/li>\n<li><strong>VP\u0110D:<\/strong><span>\u00a0<\/span>240 Nguy\u1ec5n \u0110\u00ecnh Ch\u00ednh, P.11. Q. Ph\u00fa Nhu\u1eadn, TP. Ho\u0302\u0300 Ch\u00ed Minh<\/li>\n<li><strong>VPGD:<\/strong><span>\u00a0<\/span>S\u1ed1 211 \u0110\u01b0\u1eddng s\u1ed1 5, K\u0110T Lakeview City, P. An Ph\u00fa, TP. Th\u1ee7 \u0110\u1ee9c, TP. H\u1ed3 Ch\u00ed Minh<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong l\u0129nh v\u1ef1c IT, &#8220;Failover&#8221; (chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng) l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i gi\u00fap duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 li\u00ean t\u1ee5c cho c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5. Failover \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 qu\u00e1 tr\u00ecnh t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i sang m\u1ed9t h\u1ec7 th\u1ed1ng d\u1ef1 ph\u00f2ng khi h\u1ec7 th\u1ed1ng ch\u00ednh g\u1eb7p s\u1ef1 c\u1ed1<\/p>\n","protected":false},"author":11,"featured_media":17896,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[61],"class_list":["post-17859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-hosting"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/17859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=17859"}],"version-history":[{"count":0,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/17859\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/17896"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=17859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=17859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=17859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}