{"id":55771,"date":"2020-11-25T14:20:45","date_gmt":"2020-11-25T22:20:45","guid":{"rendered":"https:drivesaversdatarecovery.com\/\/?p=55771"},"modified":"2026-09-30T03:07:42","modified_gmt":"2026-09-30T10:07:42","slug":"comment-partitionner-les-disques-durs-externes-ce-quil-faut-savoir","status":"publish","type":"post","link":"https:\/\/drivesaversdatarecovery.com\/fr-fr\/blog\/how-to-partition-external-hard-drives-what-you-need-to-know\/","title":{"rendered":"Partitionner un disques dur externe, pourquoi et comment ?"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid wpex-relative\"><div class=\"wpb_column vc_column_container vc_col-sm-2\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-8\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><span style=\"font-weight: 400;\">Avez-vous d\u00e9j\u00e0 regard\u00e9 par le hublot d\u2019un avion et remarqu\u00e9 comment la terre est divis\u00e9e ? Vous n\u2019avez aucune id\u00e9e \u00e0 qui appartiennent ces terrains, quelle est leur superficie ou comment ils sont utilis\u00e9s. Mais vous pouvez clairement voir o\u00f9 un champ se termine et o\u00f9 un autre commence. Vous distinguez les jardins individuels, les petites maisons, les balan\u00e7oires et les potagers.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Les \u00eatres humains ont un penchant naturel pour la division et l'organisation. Qu'il s'agisse de la mani\u00e8re dont sont trac\u00e9es les limites des propri\u00e9t\u00e9s ou de la fa\u00e7on dont nous am\u00e9nageons et organisons nos propres jardins, ce d\u00e9coupage fait partie int\u00e9grante de notre quotidien. C'est \u00e9galement une excellente m\u00e9taphore pour illustrer le partitionnement des disques durs externes. Dans cet article, nous verrons comment cr\u00e9er et g\u00e9rer des partitions.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Que signifie partitionner un disque dur externe ?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">La partition n\u2019est qu\u2019un autre mot pour d\u00e9signer la division. Lorsque vous partitionnez un disque dur externe, vous le divisez en plusieurs segments distincts. La plupart des disques durs, y compris les disques externes, sont livr\u00e9s avec une seule partition.<\/span><\/p>\n<p>Imaginez une seule partition comme un grand conteneur o\u00f9 tous les fichiers sont stock\u00e9s sur le disque. La plupart des installations des syst\u00e8mes d\u2019exploitation Windows et Mac OS regroupent le syst\u00e8me, les programmes et les donn\u00e9es personnelles dans une seule partition. Cependant, il est possible de diviser ce grand conteneur en plusieurs plus petits.<\/p>\n<p><span style=\"font-weight: 400;\">Par exemple, certains appareils sont \u00e9quip\u00e9s d\u2019une deuxi\u00e8me partition, plus petite, destin\u00e9e \u00e0 la r\u00e9cup\u00e9ration en cas de d\u00e9faillance du disque dur ou de l\u2019appareil. Cependant, il existe de nombreuses autres raisons de partitionner un disque dur externe.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Pourquoi partitionner les disques durs externes ? <\/span><\/h2>\n<p>Les raisons de partitionner un disque dur externe ne se limitent pas \u00e0 l\u2019am\u00e9lioration des performances ; cela peut aussi faciliter la r\u00e9cup\u00e9ration des donn\u00e9es en cas de d\u00e9faillance du disque. Voici quelques autres avantages :<\/p>\n<h3><span style=\"font-weight: 400;\">Sauvegardes faciles<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">En conservant vos donn\u00e9es personnelles comme la musique, les photos et les documents dans une partition distincte, la sauvegarde devient beaucoup plus simple. Plut\u00f4t que de copier tous les fichiers syst\u00e8me et programmes, vous ne sauvegardez que ce qui compte vraiment.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Vos donn\u00e9es sont souvent mieux prot\u00e9g\u00e9es lorsqu'elles sont dans une partition d\u00e9di\u00e9e. Cela peut \u00eatre tr\u00e8s utile en cas de d\u00e9faillance du disque dur ou du syst\u00e8me. M\u00eame si vous devez r\u00e9installer votre syst\u00e8me d\u2019exploitation, vos donn\u00e9es personnelles partitionn\u00e9es seront intactes une fois l\u2019installation termin\u00e9e.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">S\u00e9curit\u00e9 renforc\u00e9e<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Si vous partitionnez votre disque dur externe, une cons\u00e9quence inattendue (et chanceuse !) est que vos donn\u00e9es peuvent \u00eatre prot\u00e9g\u00e9es contre les attaques de malwares. Nous ne recommandons \u00e9videmment pas d'annuler votre abonnement antivirus, car la partition n'est en aucun cas une m\u00e9thode infaillible de protection. Cependant, les donn\u00e9es partitionn\u00e9es ont de meilleures chances de survivre \u00e0 une attaque de malware.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Comment partitionner les disques durs externes <\/span><\/h2>\n<p>Repartitionner vos disques pour am\u00e9liorer les performances et l'organisation peut sembler compliqu\u00e9. En effet, vous vous \u00eates peut-\u00eatre d\u00e9j\u00e0 demand\u00e9 : \u00ab Puis-je partitionner mon disque dur externe sans faire appel \u00e0 un expert ? \u00bb<\/p>\n<p>Heureusement, cr\u00e9er des partitions sur un disque dur externe n\u2019est pas aussi compliqu\u00e9 qu\u2019il n\u2019y para\u00eet. L'outil de gestion de disque propri\u00e9taire de Microsoft vous permet de partitionner facilement les disques durs sans avoir \u00e0 investir dans un logiciel tiers.<\/p>\n<p>Voici comment partitionner les secteurs d'un disque dur externe, y compris comment supprimer des partitions de disque dur externe (uniquement sous Windows 7) :<\/p>\n<h3><span style=\"font-weight: 400;\">\u00c9tape #1 : Sauvegarde !<\/span><\/h3>\n<p class=\"translation-block\"><span style=\"font-weight: 400\">Effectuez une sauvegarde <\/span><i><span style=\"font-weight: 400\">\u00e0 chaque fois<\/span><\/i><span style=\"font-weight: 400\"> que vous modifiez votre disque dur. M\u00eame si les partitions ne causent g\u00e9n\u00e9ralement pas de perte de donn\u00e9es, faire une sauvegarde vous prot\u00e8ge contre la perte d\u2019informations importantes en cas d\u2019\u00e9chec du processus de partition.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u00c9tape #2 : Connexion<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Connectez votre disque dur externe \u00e0 l'ordinateur \u00e0 l'aide du c\u00e2ble USB fourni avec votre disque.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u00c9tape #3 : Nettoyer les anciennes donn\u00e9es<\/span><\/h3>\n<p>Nous allons maintenant expliquer comment supprimer une partition sur un disque dur externe (uniquement sous Windows 7). Gr\u00e2ce \u00e0 ce processus, vous pouvez \u00e0 la fois ajouter et supprimer des partitions pour les disques durs portables.<\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Appuyez sur le bouton \u00ab D\u00e9marrer \u00bb, saisissez \u00ab diskmgmt.msc \u00bb dans le champ de recherche, puis appuyez sur \u00ab Entr\u00e9e \u00bb. Cette op\u00e9ration devrait ouvrir l'outil de gestion des disques, qui affiche la liste des partitions existantes sur le disque dur externe. <\/span><\/li>\n<li><span style=\"font-weight: 400;\">Cliquez avec le bouton droit de la souris sur la ou les partitions que vous souhaitez supprimer, puis s\u00e9lectionnez \u00ab Supprimer le volume \u00bb.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Si la partition que vous souhaitez conserver contient d\u00e9j\u00e0 des donn\u00e9es, cliquez plut\u00f4t sur \u00ab R\u00e9duire le volume \u00bb.\u00a0<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Une fois que Windows a calcul\u00e9 le taux de r\u00e9tr\u00e9cissement optimal, cliquez sur \u00ab R\u00e9duire \u00bb.<\/span><\/li>\n<\/ul>\n<p>Voil\u00e0 comment supprimer une partition sur un disque dur externe.<\/p>\n<h3><span style=\"font-weight: 400;\">\u00c9tape #4 : Cr\u00e9ation d'une partition (disque dur portable uniquement)<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Il y a quelques actions \u00e0 entreprendre pour cr\u00e9er une partition sur un disque dur portable.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Faites un clic droit dans la zone \u00ab Non allou\u00e9 \u00bb ou  \u00ab Espace libre \u00bb sur le disque externe et s\u00e9lectionnez  \u00ab Nouveau volume simple \u00bb.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">L\u00e0 o\u00f9 il est indiqu\u00e9 \"Taille du volume simple en Mo\", saisissez la taille souhait\u00e9e en Mo. Prenez en compte les autres partitions que vous souhaitez cr\u00e9er avant de choisir une taille. Si vous cr\u00e9ez uniquement une partition suppl\u00e9mentaire, passez cette \u00e9tape en cliquant sur \"Suivant\".<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Cliquez sur \"Syst\u00e8me de fichiers\". Un menu d\u00e9roulant appara\u00eetra et vous devrez choisir \"FAT32\" (remplac\u00e9 par le format exFAT pour les syst\u00e8mes plus modernes) ou \"NTFS\". <\/span><\/li>\n<li><span style=\"font-weight: 400;\">Cliquez ensuite sur \"Next\" puis sur \"Finish\" pour terminer la partition du disque.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Et si vous souhaitez cr\u00e9er une partition suppl\u00e9mentaire sur un disque dur externe (uniquement pour Windows 7), il vous suffit de r\u00e9p\u00e9ter l'\u00e9tape n\u00b04 !<\/span><\/p>\n<p class=\"translation-block\"><span style=\"font-weight: 400\">Si vous subissez une perte de donn\u00e9es avant, pendant ou apr\u00e8s ce processus, ne vous inqui\u00e9tez pas ! Vos donn\u00e9es sont en s\u00e9curit\u00e9 dans la solution de sauvegarde que vous avez cr\u00e9\u00e9e avant de commencer la partition. Si vous n\u2019avez pas effectu\u00e9 de sauvegarde, DriveSavers est une entreprise sp\u00e9cialis\u00e9e dans le support et la r\u00e9cup\u00e9ration de donn\u00e9es, avec des experts chevronn\u00e9s qui pourraient r\u00e9cup\u00e9rer vos informations. <\/span><a href=\"\/fr-fr\/\" target=\"_self\"><span style=\"font-weight: 400\">Contactez DriveSavers d\u00e8s aujourd\u2019hui pour restaurer vos donn\u00e9es partitionn\u00e9es.<\/span><\/a><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-2\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Ever look down when you\u2019re riding in an airplane and notice how land is divided? You have no idea whose properties you\u2019re looking at, how much they own or what they do with their land. But you can clearly see where one field ends and another begins. You can pick out individual yards, tiny houses,&hellip;","protected":false},"author":25,"featured_media":50967,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"inline_featured_image":false,"footnotes":""},"categories":[264],"tags":[481,284],"post_series":[],"class_list":["post-55771","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-hdd","tag-ssd","entry","has-media"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Partition External Hard Drives? 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