{"id":35509,"date":"2020-02-04T17:23:53","date_gmt":"2020-02-04T15:23:53","guid":{"rendered":"https:\/\/www.evidian.com\/?page_id=35509"},"modified":"2026-02-17T08:15:27","modified_gmt":"2026-02-17T06:15:27","slug":"cluster-de-haute-disponibilite-logicielle-vs-systeme-fault-tolerant","status":"publish","type":"page","link":"https:\/\/www.evidian.com\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/cluster-de-haute-disponibilite-logicielle-vs-systeme-fault-tolerant\/","title":{"rendered":"Cluster haute disponibilit\u00e9 vs. syst\u00e8me tol\u00e9rant aux fautes : choisir la bonne strat\u00e9gie de redondance"},"content":{"rendered":"<div id=\"pl-35509\"  class=\"panel-layout\" ><div id=\"pg-35509-0\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-35509-0\" ><div id=\"pgc-35509-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-35509-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div class=\"panel-widget-style panel-widget-style-for-35509-0-0-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h1 style=\"text-align: left; color: white; font-size: 38px;\">Cluster haute disponibilit\u00e9 vs. syst\u00e8me tol\u00e9rant aux fautes : choisir la bonne strat\u00e9gie de redondance<\/h1>\n<h2 style=\"text-align: left; color: white; font-size: 26px;\">Cluster haute disponibilit\u00e9 sans SAN SafeKit\u00a0: une alternative logicielle au mat\u00e9riel tol\u00e9rant aux fautes<\/h2>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><div id=\"pg-35509-1\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-35509-1\" ><div id=\"pgc-35509-1-0\"  class=\"panel-grid-cell\" ><div id=\"panel-35509-1-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<div data-post-id=\"71459\" class=\"insert-page insert-page-71459 \"><div id=\"pl-71459\"  class=\"panel-layout\" ><div id=\"pg-71459-0\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-71459-0\" ><div id=\"pgc-71459-0-0\"  class=\"panel-grid-cell panel-grid-cell-empty\" ><\/div><div id=\"pgc-71459-0-1\"  class=\"panel-grid-cell\" ><div id=\"panel-71459-0-1-0\" class=\"so-panel widget widget_sow-button panel-first-child panel-last-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-button so-widget-sow-button-atom-22117c521b6b-71459\"\n\t\t\t\n\t\t><div class=\"ow-button-base ow-button-align-center\"\n>\n\t\t\t<a\n\t\t\t\t\thref=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/contactez-nous-a-propos-de-safekit\/\"\n\t\t\t\t\tclass=\"sowb-button ow-icon-placement-left ow-button-hover\" target=\"_blank\" rel=\"noopener noreferrer\" \t>\n\t\t<span>\n\t\t\t\n\t\t\t\ud83e\uddd1 Nous contacter\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><div id=\"pgc-71459-0-2\"  class=\"panel-grid-cell\" ><div id=\"panel-71459-0-2-0\" class=\"so-panel widget widget_sow-button panel-first-child panel-last-child\" data-index=\"1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-button so-widget-sow-button-atom-22117c521b6b-71459\"\n\t\t\t\n\t\t><div class=\"ow-button-base ow-button-align-center\"\n>\n\t\t\t<a\n\t\t\t\t\thref=\"https:\/\/www.evidian.com\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/essai-gratuit-safekit\/\"\n\t\t\t\t\tclass=\"sowb-button ow-icon-placement-left ow-button-hover\" target=\"_blank\" rel=\"noopener noreferrer\" \t>\n\t\t<span>\n\t\t\t\n\t\t\t\ud83c\udf81 Essai gratuit de SafeKit\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><div id=\"pgc-71459-0-3\"  class=\"panel-grid-cell\" ><div id=\"panel-71459-0-3-0\" class=\"so-panel widget widget_sow-button panel-first-child panel-last-child\" data-index=\"2\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-button so-widget-sow-button-atom-22117c521b6b-71459\"\n\t\t\t\n\t\t><div class=\"ow-button-base ow-button-align-center\"\n>\n\t\t\t<a\n\t\t\t\t\thref=\"https:\/\/training.my.evidian.com\/mod\/page\/view.php?id=712\"\n\t\t\t\t\tclass=\"sowb-button ow-icon-placement-left ow-button-hover\" target=\"_blank\" rel=\"noopener noreferrer\" \t>\n\t\t<span>\n\t\t\t\n\t\t\t\ud83c\udfc5 Certification gratuite\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><div id=\"pgc-71459-0-4\"  class=\"panel-grid-cell panel-grid-cell-mobile-last\" ><div id=\"panel-71459-0-4-0\" class=\"so-panel widget widget_sow-button panel-first-child panel-last-child\" data-index=\"3\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-button so-widget-sow-button-atom-22117c521b6b-71459\"\n\t\t\t\n\t\t><div class=\"ow-button-base ow-button-align-center\"\n>\n\t\t\t<a\n\t\t\t\t\thref=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/obtenez-un-prix\/\"\n\t\t\t\t\tclass=\"sowb-button ow-icon-placement-left ow-button-hover\" target=\"_blank\" rel=\"noopener noreferrer\" \t>\n\t\t<span>\n\t\t\t\n\t\t\t\ud83d\udcb0 Prix licence perp\u00e9tuelle\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><div id=\"pgc-71459-0-5\"  class=\"panel-grid-cell panel-grid-cell-empty\" ><\/div><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-35509-2\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-35509-2\" ><div id=\"pgc-35509-2-0\"  class=\"panel-grid-cell\" ><div id=\"panel-35509-2-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"2\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h2>Comment comparer haute disponibilit\u00e9 et tol\u00e9rance aux fautes ?<\/h2>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-35509-3\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-35509-3\" ><div id=\"pgc-35509-3-0\"  class=\"panel-grid-cell\" ><div id=\"panel-35509-3-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"3\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h3>Aper\u00e7u<\/h3>\n<p>Cet article \u00e9tudie les avantages et les inconv\u00e9nients d'un cluster de haute disponibilit\u00e9 par rapport \u00e0 un syst\u00e8me tol\u00e9rant aux fautes en examinant les contraintes mat\u00e9rielles, les d\u00e9faillances logicielles, le RTO, le RPO...<\/p>\n<p>Les tableaux comparatifs suivants expliquent en d\u00e9tail les diff\u00e9rences entre un syst\u00e8me tol\u00e9rant aux fautes et SafeKit, un cluster logiciel de haute disponibilit\u00e9.<\/p>\n<\/div>\n<\/div><\/div><\/div><div id=\"pgc-35509-3-1\"  class=\"panel-grid-cell\" ><div id=\"panel-35509-3-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"4\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h3>Qu'est ce que la haute disponibilit\u00e9 ?<\/h3>\n<p>Un cluster de haute disponibilit\u00e9 repose sur deux serveurs avec red\u00e9marrage de l'application critique en cas de panne mat\u00e9rielle ou logicielle. Il existe 2 types de clusters : les clusters mat\u00e9riels et les clusters logiciels.<\/p>\n<p>Les clusters mat\u00e9riels sont bas\u00e9s sur des disques partag\u00e9s, ce qui entra\u00eene des d\u00e9pendances entre les serveurs et leurs connexions aux baies de disques partag\u00e9s.<\/p>\n<p>Les clusters logiciels, comme SafeKit, sont bas\u00e9s sur la r\u00e9plication de donn\u00e9es en temps r\u00e9el et sont ind\u00e9pendants du mat\u00e9riel\u00a0: ils peuvent \u00eatre d\u00e9ploy\u00e9s sur des serveurs physiques ou virtuels ou dans le cloud.<\/p>\n<\/div>\n<\/div><\/div><\/div><div id=\"pgc-35509-3-2\"  class=\"panel-grid-cell\" ><div id=\"panel-35509-3-2-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"5\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h3>Qu'est ce que la tol\u00e9rance aux fautes ?<\/h3>\n<p>Un syst\u00e8me tol\u00e9rant aux fautes s'appuie sur du mat\u00e9riel sp\u00e9cialis\u00e9 ou sur un hyperviseur sp\u00e9cialis\u00e9 pour d\u00e9tecter une panne mat\u00e9rielle et basculer instantan\u00e9ment vers un composant mat\u00e9riel redondant sans red\u00e9marrage de l'application.<\/p>\n<p>Les syst\u00e8mes tol\u00e9rants aux fautes ne traitent que les pannes mat\u00e9rielles et non les pannes logicielles, de loin la raison la plus courante d'indisponibilit\u00e9 d'un syst\u00e8me.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-35509-4\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-35509-4\" ><div id=\"pgc-35509-4-0\"  class=\"panel-grid-cell\" ><div id=\"panel-35509-4-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"6\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h2>Avantages et inconv\u00e9nients de la haute disponibilit\u00e9 par rapport \u00e0 la tol\u00e9rance aux fautes<\/h2>\n<table class=\"border vertical-middle horizontal-center\" style=\"margin-top: 30px;\" width=\"100%\">\n<tbody>\n<tr>\n<td width=\"50%\"><strong>Cluster de haute disponibilit\u00e9 logicielle<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.evidian.com\/wp-content\/smush-webp\/2023\/02\/safekit-mirror-mirror-300-1.png.webp\" alt=\"Haute disponibilit\u00e9 active\/active\" width=\"250\" \/><\/td>\n<td width=\"50%\"><strong>Syst\u00e8me fault-tolerant<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.evidian.com\/wp-content\/smush-webp\/2023\/03\/fault-tolerant-system.png.webp\" alt=\"Tol\u00e9rance aux fautes\" width=\"200\" \/><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Produit<\/strong><\/td>\n<\/tr>\n<tr>\n<td><a href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/\">SafeKit<\/a> sous Windows et Linux<\/td>\n<td>Produits de tol\u00e9rance aux fautes<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Mat\u00e9riel, hyperviseur<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Pas de mat\u00e9riel d\u00e9di\u00e9, pas d'hyperviseur d\u00e9di\u00e9.<\/p>\n<p>Fonctionne avec l'hyperviseur standard et gratuit de Windows, Hyper-V, inclus dans le noyau Windows pour les serveurs et les PC.<\/p>\n<p>Fonctionne avec l'hyperviseur standard et gratuit KVM (Kernel-based Virtual Machine) int\u00e9gr\u00e9 dans le noyau Linux.<\/p>\n<p>Chaque <a href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/cluster-actif-actif-replication-de-donnees\/\">serveur peut-\u00eatre le serveur de reprise de l'autre<\/a> pour de multiples applications.<\/td>\n<td>Mat\u00e9riel d\u00e9di\u00e9 ou hyperviseur d\u00e9di\u00e9.<\/p>\n<p>Le serveur secondaire est d\u00e9di\u00e9 \u00e0 l'ex\u00e9cution de la m\u00eame application synchronis\u00e9e au niveau instruction.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Panne logicielle<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Panne logicielle support\u00e9e avec red\u00e9marrage dans un environnement OS diff\u00e9rent.<\/td>\n<td>Exception logicielle sur les 2 serveurs en m\u00eame temps sur le m\u00eame OS.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Upgrade\/fix en douceur de l'application ou de l'OS<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Oui<\/p>\n<p>Upgrade\/fix en douceur de l'application ou de l'OS serveur par serveur.<\/p>\n<p>Les versions N et N+1 peuvent coexister.<\/td>\n<td>Non<\/p>\n<p>M\u00eame application et OS sur les 2 serveurs.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>RTO\/RPO<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Le temps de reprise avec SafeKit (<a href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/quel-est-rto-rpo-cluster-haute-disponibilite\/\">RTO<\/a>) d\u00e9pend du temps de d\u00e9tection et de red\u00e9marrage de l'application (environ 1 minute).<\/p>\n<p>La perte de donn\u00e9es avec SafeKit (RPO) est nulle car la r\u00e9plication est synchrone.<\/td>\n<td>Le temps de reprise (RTO) d'un syst\u00e8me fault-tolerant est nul.<\/p>\n<p>L'application n'est pas red\u00e9marr\u00e9e en cas de panne et continue son ex\u00e9cution sur le serveur secondaire.<\/p>\n<p>La perte de donn\u00e9es (RPO) est \u00e9galement nulle.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Flexibilit\u00e9<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Peut fonctionner sur n'importe quel type de serveur avec OS Windows et Linux standard<\/td>\n<td>D\u00e9pend d'un mat\u00e9riel sp\u00e9cifique ou d'hyperviseurs sp\u00e9cifiques<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Convient pour<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Les <a href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/cluster-logiciel-application-critique\/\">\u00e9diteurs de logiciels<\/a> qui souhaitent ajouter une option de disponibilit\u00e9 simple pour leur application<\/td>\n<td>Environnement o\u00f9 les pannes mat\u00e9rielles sont la principale pr\u00e9occupation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-35509-5\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-35509-5\" ><div id=\"pgc-35509-5-0\"  class=\"panel-grid-cell\" ><div id=\"panel-35509-5-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"7\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<div data-post-id=\"246579\" class=\"insert-page insert-page-246579 \"><div id=\"pl-246579\"  class=\"panel-layout\" ><div id=\"pg-246579-0\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-246579-0\" ><div id=\"pgc-246579-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-246579-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<article>\n<header>\n<h2 id=\"hub\">\ud83d\udd0d Hub de navigation SafeKit Haute Disponibilit\u00e9<\/h2>\n<\/header>\n<div class=\"table-container-mobile\">\n<table class=\"border vertical-middle\">\n<caption>Explorez SafeKit : fonctionnalit\u00e9s, vid\u00e9os techniques, documentation et essai gratuit<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">Type de ressource<\/th>\n<th scope=\"col\">Description<\/th>\n<th scope=\"col\">Lien direct<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\"><strong>Fonctionnalit\u00e9s cl\u00e9s<\/strong><\/th>\n<td>Pourquoi choisir SafeKit pour une haute disponibilit\u00e9 simple et \u00e9conomique ?<\/td>\n<td><a title=\"D\u00e9couvrez les fonctionnalit\u00e9s de SafeKit pour une haute disponibilit\u00e9 simple et \u00e9conomique\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#why-choose-safekit-for-ha\">Voir pourquoi choisir SafeKit pour la Haute Disponibilit\u00e9<\/a><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Mod\u00e8le de d\u00e9ploiement<\/strong><\/th>\n<td>HA SANless tout-en-un : Cluster logiciel sans partage (Shared-Nothing)<\/td>\n<td><a title=\"En savoir plus sur la haute disponibilit\u00e9 SANless tout-en-un avec cluster logiciel sans partage\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#all-in-one-sanless-ha\">Voir SafeKit HA SANless tout-en-un<\/a><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Partenaires<\/strong><\/th>\n<td>SafeKit : La r\u00e9f\u00e9rence en haute disponibilit\u00e9 pour les partenaires<\/td>\n<td><a title=\"Explorez les opportunit\u00e9s de partenariat et les solutions de r\u00e9f\u00e9rence SafeKit\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#safekit-ha-benchmark-for-partners\">Voir pourquoi SafeKit est la r\u00e9f\u00e9rence HA pour les partenaires<\/a><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Strat\u00e9gies HA<\/strong><\/th>\n<td>SafeKit : Infrastructure (VM) vs Haute Disponibilit\u00e9 au niveau applicatif<\/td>\n<td><a title=\"Comparez la redondance au niveau VM avec les strat\u00e9gies de haute disponibilit\u00e9 au niveau applicatif de SafeKit\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#safekit-ha-redundancy-choices\">Voir SafeKit HA &amp; Redondance : Niveau VM vs Niveau Applicatif<\/a><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Sp\u00e9cifications techniques<\/strong><\/th>\n<td>Limitations techniques pour le clustering SafeKit<\/td>\n<td><a title=\"Configuration requise et limitations techniques pour le clustering d'applications SafeKit\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#safekit-ha-limitations\">Voir les limitations de la Haute Disponibilit\u00e9 SafeKit<\/a><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Preuve de concept<\/strong><\/th>\n<td>SafeKit : D\u00e9mos de configuration HA et de basculement<\/td>\n<td><a title=\"Vid\u00e9os pas \u00e0 pas sur la haute disponibilit\u00e9 SafeKit, de l'installation au basculement automatis\u00e9\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#safekit-failover-tutorials\">Voir les tutoriels de basculement SafeKit<\/a><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Architecture<\/strong><\/th>\n<td>Fonctionnement du cluster miroir SafeKit (R\u00e9plication et basculement en temps r\u00e9el)<\/td>\n<td><a title=\"D\u00e9couvrez l'architecture technique et le m\u00e9canisme de basculement du cluster miroir SafeKit\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#safekit-mirror-cluster\">Voir Cluster miroir SafeKit : r\u00e9plication et basculement en temps r\u00e9el<\/a><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Architecture<\/strong><\/th>\n<td>Fonctionnement du cluster de ferme SafeKit (R\u00e9partition de charge r\u00e9seau et basculement)<\/td>\n<td><a title=\"Pr\u00e9sentation technique de l'architecture du cluster de ferme SafeKit avec r\u00e9partition de charge r\u00e9seau\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#safekit-farm-cluster\">Voir Cluster de ferme SafeKit : r\u00e9partition de charge et basculement<\/a><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Avantages concurrentiels<\/strong><\/th>\n<td>Comparaison : SafeKit vs Clusters de Haute Disponibilit\u00e9 (HA) traditionnels<\/td>\n<td><a title=\"Comparaison d\u00e9taill\u00e9e du logiciel SafeKit par rapport aux clusters HA mat\u00e9riels traditionnels\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#safekit-ha-comparison\">Voir la comparaison SafeKit vs Clusters HA traditionnels<\/a><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Ressources techniques<\/strong><\/th>\n<td>SafeKit Haute Disponibilit\u00e9 : Documentation, t\u00e9l\u00e9chargements et essai<\/td>\n<td><a title=\"Acc\u00e9dez \u00e0 l'essai gratuit de SafeKit, \u00e0 la documentation technique et aux livres blancs sur la haute disponibilit\u00e9\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#safekit-ha-technical-resources\">Voir l'essai gratuit SafeKit HA &amp; la documentation technique<\/a><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Solutions pr\u00e9configur\u00e9es<\/strong><\/th>\n<td>Biblioth\u00e8que de modules applicatifs SafeKit : solutions HA pr\u00eates \u00e0 l'emploi<\/td>\n<td><a title=\"Parcourez la biblioth\u00e8que de modules SafeKit pr\u00e9configur\u00e9s pour le basculement automatique d'applications\" href=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/#safekit-ha-application-modules\">Voir les modules applicatifs de Haute Disponibilit\u00e9 SafeKit<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/article>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-35509-6\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-35509-6\" ><div id=\"pgc-35509-6-0\"  class=\"panel-grid-cell\" ><div id=\"panel-35509-6-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"8\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<div data-post-id=\"71459\" class=\"insert-page insert-page-71459 \"><div id=\"pl-71459\"  class=\"panel-layout\" ><div id=\"pg-71459-0\"  class=\"panel-grid panel-has-style\" ><div 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panel-last-child\" data-index=\"1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-button so-widget-sow-button-atom-22117c521b6b-71459\"\n\t\t\t\n\t\t><div class=\"ow-button-base ow-button-align-center\"\n>\n\t\t\t<a\n\t\t\t\t\thref=\"https:\/\/www.evidian.com\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/essai-gratuit-safekit\/\"\n\t\t\t\t\tclass=\"sowb-button ow-icon-placement-left ow-button-hover\" target=\"_blank\" rel=\"noopener noreferrer\" \t>\n\t\t<span>\n\t\t\t\n\t\t\t\ud83c\udf81 Essai gratuit de SafeKit\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><div id=\"pgc-71459-0-3\"  class=\"panel-grid-cell\" ><div id=\"panel-71459-0-3-0\" class=\"so-panel widget widget_sow-button panel-first-child panel-last-child\" data-index=\"2\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-button so-widget-sow-button-atom-22117c521b6b-71459\"\n\t\t\t\n\t\t><div class=\"ow-button-base ow-button-align-center\"\n>\n\t\t\t<a\n\t\t\t\t\thref=\"https:\/\/training.my.evidian.com\/mod\/page\/view.php?id=712\"\n\t\t\t\t\tclass=\"sowb-button ow-icon-placement-left ow-button-hover\" target=\"_blank\" rel=\"noopener noreferrer\" \t>\n\t\t<span>\n\t\t\t\n\t\t\t\ud83c\udfc5 Certification gratuite\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><div id=\"pgc-71459-0-4\"  class=\"panel-grid-cell panel-grid-cell-mobile-last\" ><div id=\"panel-71459-0-4-0\" class=\"so-panel widget widget_sow-button panel-first-child panel-last-child\" data-index=\"3\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-button so-widget-sow-button-atom-22117c521b6b-71459\"\n\t\t\t\n\t\t><div class=\"ow-button-base ow-button-align-center\"\n>\n\t\t\t<a\n\t\t\t\t\thref=\"\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/obtenez-un-prix\/\"\n\t\t\t\t\tclass=\"sowb-button ow-icon-placement-left ow-button-hover\" target=\"_blank\" rel=\"noopener noreferrer\" \t>\n\t\t<span>\n\t\t\t\n\t\t\t\ud83d\udcb0 Prix licence perp\u00e9tuelle\t\t<\/span>\n\t\t\t<\/a>\n\t<\/div>\n<\/div><\/div><\/div><div id=\"pgc-71459-0-5\"  class=\"panel-grid-cell panel-grid-cell-empty\" ><\/div><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"Cluster haute disponibilit\u00e9 vs. syst\u00e8me tol\u00e9rant aux fautes : choisir la bonne strat\u00e9gie de redondance Cluster haute disponibilit\u00e9 sans SAN SafeKit\u00a0: une alternative logicielle au mat\u00e9riel tol\u00e9rant aux fautes","protected":false},"author":3,"featured_media":0,"parent":4303,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-full-screen.php","meta":{"_acf_changed":false,"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"class_list":["post-35509","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin 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D\u00e9couvrez comment SafeKit propose un cluster HA logiciel sans SAN qui prot\u00e8ge contre les pannes mat\u00e9rielles et logicielles. R\u00e9duisez vos co\u00fbts en \u00e9liminant le mat\u00e9riel FT sp\u00e9cialis\u00e9 tout en garantissant z\u00e9ro perte de donn\u00e9es (RPO 0).\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.evidian.com\/fr\/produits\/haute-disponibilite-logiciel-clustering-application\/cluster-de-haute-disponibilite-logicielle-vs-systeme-fault-tolerant\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cluster haute disponibilit\u00e9 vs. syst\u00e8me tol\u00e9rant aux fautes : choisir la bonne strat\u00e9gie de redondance\" \/>\n<meta property=\"og:description\" content=\"Comparez les clusters haute disponibilit\u00e9 (HA) et les syst\u00e8mes tol\u00e9rants aux fautes. D\u00e9couvrez comment SafeKit propose un cluster HA logiciel sans SAN qui prot\u00e8ge contre les pannes mat\u00e9rielles et logicielles. 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