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80 lines
3.8 KiB
80 lines
3.8 KiB
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<html lang="fr" dir="ltr">
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</head>
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<body>
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<div class="dokuwiki export container">
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<h1 class="sectionedit1" id="high_availability">Haute disponibilité</h1>
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<div class="level1">
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<p>
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LemonLDAP::NG est hautement scalable, donc facile à insérer derière un répartisseur de charge :
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</p>
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<ul>
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<li class="level1"><div class="li"> Le portail ne stocke aucune donnée en dehors de la base de données des sessions, ainsi on peut avoir plusieurs serveurs utilisant le même nom d'hôte HTTP</div>
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</li>
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<li class="level1"><div class="li"> Tous les agents téléchargent intégralement la configuration, donc plusieurs serveurs peuvent servir le même hôte virtuel</div>
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</li>
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</ul>
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<p>
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Par exemple on peut créer un cluster avec <a href="http://www.linux-ha.org/wiki/Heartbeat" class="urlextern" title="http://www.linux-ha.org/wiki/Heartbeat" rel="nofollow">Heartbeat</a> et <a href="http://haproxy.1wt.eu/" class="urlextern" title="http://haproxy.1wt.eu/" rel="nofollow">HAproxy</a> :
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</p>
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<p>
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<a href="documentation/ha-apache.png_documentation_2.0_highavailability.html" class="media" title="documentation:ha-apache.png"><img src="documentation/ha-apache.png" class="mediacenter" alt="" /></a>
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</p>
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<p>
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Il faut juste partager les bases de données de configuration et des sessions entre ces serveurs :
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</p>
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<p>
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<a href="documentation/ha-sessions-configuration.png_documentation_2.0_highavailability.html" class="media" title="documentation:ha-sessions-configuration.png"><img src="documentation/ha-sessions-configuration.png" class="mediacenter" alt="" /></a>
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</p>
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</div>
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</div>
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</body>
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</html>
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