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	<title>HAProxy &#8211; Réseau CERTA</title>
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		<title>Répartition de charge sur une plate-forme Web</title>
		<link>https://www.reseaucerta.org/rpartition-de-charge-sur-une-plate-forme-web/</link>
					<comments>https://www.reseaucerta.org/rpartition-de-charge-sur-une-plate-forme-web/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Sun, 29 Sep 2013 20:52:02 +0000</pubDate>
				<category><![CDATA[Bloc 2 - Administration des systèmes et des réseaux]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[Disponibilité]]></category>
		<category><![CDATA[HA]]></category>
		<category><![CDATA[HAProxy]]></category>
		<category><![CDATA[HD]]></category>
		<category><![CDATA[Heartbeat]]></category>
		<category><![CDATA[Pacemaker]]></category>
		<category><![CDATA[Répartition de charge]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=2093</guid>

					<description><![CDATA[L'objectif de ce Côté Labo (mis en &#339;uvre en module) est d'optimiser l'utilisation des deux serveurs Web en configurant une répartition de charge.]]></description>
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					<h1 class="elementor-heading-title elementor-size-default">Répartition de charge sur une plate-forme Web avec réplication des données</h1>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Public concerné <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									BTS Services Informatiques aux Organisations								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Matière <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4da.png" alt="📚" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									Bloc 2 SISR – Administration des systèmes et des réseaux								</div>
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				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Présentation <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4cb.png" alt="📋" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>L&#39;objectif de ce C&ocirc;t&eacute; Labo (mis en &oelig;uvre en module) est d&#39;optimiser l&#39;utilisation des deux serveurs Web en configurant une r&eacute;partition de charge.</p>
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				<div class="elementor-widget-container">
					<h4 class="elementor-heading-title elementor-size-default">Prérequis <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
				</div>
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									Avoir réalisé le Coté Labo « Haute disponibilité du service Web » et éventuellement celui sur la « Haute disponibilité du service FTP ».								</div>
				</div>
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				<div class="elementor-widget-container">
					<h4 class="elementor-heading-title elementor-size-default">Savoirs <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<ul>
	<li>D&eacute;finition des &eacute;l&eacute;ments n&eacute;cessaires &agrave; la continuit&eacute; d&#39;un service</li>
	<li>&Eacute;valuation et maintien de la qualit&eacute; de service</li>
	<li>Installation d&rsquo;une solution d&rsquo;infrastructure&nbsp;</li>
	<li>Administration sur site ou &agrave; distance des &eacute;l&eacute;ments d&#39;un r&eacute;seau, de serveurs, de services et d&#39;&eacute;quipements terminaux</li>
</ul>
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					<h4 class="elementor-heading-title elementor-size-default">Compétences <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4aa.png" alt="💪" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Caract&eacute;riser les &eacute;l&eacute;ments n&eacute;cessaires &agrave; la qualit&eacute; et &agrave; la continuit&eacute; d&#39;un service ; Installer et configurer les &eacute;l&eacute;ments n&eacute;cessaires &agrave; la qualit&eacute; et &agrave; la continuit&eacute; du service ; Contr&ocirc;ler et am&eacute;liorer les performances d&rsquo;un service ; Valider et documenter la qualit&eacute; et la continuit&eacute;</p>
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					<h4 class="elementor-heading-title elementor-size-default">Outils <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f6e0.png" alt="🛠" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><strong>SE&nbsp;</strong>: Serveur Linux Debian 9 (Stretch &#8211; stable actuelle)</p>

<p><strong>Serveurs/se</strong><strong>r</strong><strong>vices&nbsp;</strong>: Apache2, PHP7, MariaDB/Mysql-server 5.8 install&eacute;s et configur&eacute;s &agrave; l&#39;identique sur deux serveurs, Corosync et Pacemaker, HAProxy 1.7.5-2.</p>

<p><strong>Clients&nbsp;</strong>: navigateur sur STA Linux, Windows ou autre syst&egrave;me (Lynx pour le navigateur en console)</p>

<p><strong>Contexte&nbsp;</strong>: organisation/GSB-Organisation.doc.</p>

<p>&nbsp;</p>

<p><strong>Site officiel de </strong><strong>HAProxy:</strong> <a class="western" href="http://haproxy.1wt.eu/">http://haproxy.1wt.eu/</a></p>

<p><strong>Documentation </strong><strong>en ligne</strong><strong>&nbsp;</strong>: <a class="western" href="http://haproxy.1wt.eu/#docs">http://haproxy.1wt.eu/#docs</a></p>

<p>&nbsp;</p>

<p><strong>Sources&nbsp;:</strong></p>

<ul>
	<li>
	<p><a class="western" href="http://1wt.eu/articles/2006_lb/">http://1wt.eu/articles/2006_lb/</a>&nbsp;: article sur la r&eacute;partition de charges par le d&eacute;veloppeur d&#39;HAProxy.</p>
	</li>
	<li>
	<p>Article de Fabien Germain dans Linux Magazine Hors-s&eacute;rie n&deg;45</p>
	</li>
</ul>
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					<h4 class="elementor-heading-title elementor-size-default">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> repartitionCharge-V2.1.pdf</strong><br />Fichier libre &#8211; <a href="/wp-content/uploads/laboratoires/repartitionCharge-V2.1.pdf" target="_blank" rel="noopener">Télécharger</a> (818.17 KB)</p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> repartitionCharge-V2.1.odt</strong><br />Fichier libre &#8211; <a href="/wp-content/uploads/laboratoires/repartitionCharge-V2.1.odt" target="_blank" rel="noopener">Télécharger</a> (557.28 KB)</p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> repartitionCharge-V2.1_correction.doc</strong><br />Corrigé disponible &#8211; <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/private/repartitionCharge-V2.1_correction.doc">repartitionCharge-V2.1_correction</a></p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Mots-clés ﹟</h4>				</div>
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									Disponibilité, HA, HD, Heartbeat, Pacemaker, Répartition de charge, HAProxy								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Version <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4dd.png" alt="📝" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									V2.1								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Date de publication <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4c5.png" alt="📅" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									29/09/2013								</div>
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									Apollonie Raffalli et David Duron avec la relecture attentive de Gaëlle Castel								</div>
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