{"id":49206,"date":"2019-06-04T00:57:35","date_gmt":"2019-06-04T07:57:35","guid":{"rendered":"https:drivesaversdatarecovery.com\/\/?p=49206"},"modified":"2026-02-25T07:52:21","modified_gmt":"2026-02-25T15:52:21","slug":"conseils-utiles-pour-eviter-la-perte-de-donnees-dans-votre-systeme-de-stockage-raid","status":"publish","type":"post","link":"https:\/\/drivesaversdatarecovery.com\/fr-fr\/blog\/useful-tips-to-prevent-data-loss-in-your-raid-based-storage-array\/","title":{"rendered":"Conseils utiles pour pr\u00e9venir la perte de donn\u00e9es dans votre baie de stockage RAID"},"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-12\"><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;\">Pendant des d\u00e9cennies, les efforts informatiques des utilisateurs de PC ont \u00e9t\u00e9 entrav\u00e9s par des configurations de disques durs de qualit\u00e9 m\u00e9diocre. Dans la plupart des cas, les disques durs install\u00e9s dans un PC standard provoquent des goulots d'\u00e9tranglement. Il en r\u00e9sulte beaucoup de d\u00e9calage et de frustration pour l'utilisateur.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">RAID (<\/span><b>R\u00e9seau redondant de disques ind\u00e9pendants<\/b><span style=\"font-weight: 400;\">) ont le pouvoir (litt\u00e9ralement !) de changer cela. Ces disques durs, qui peuvent facilement \u00eatre ajout\u00e9s \u00e0 la plupart des PC et des ordinateurs portables, ont la particularit\u00e9 de stocker les donn\u00e9es \u00e0 plusieurs endroits. Pour ce faire, ils mettent en miroir ce qui est enregistr\u00e9 par l'utilisateur sur plusieurs disques. <\/span><b>Bases de donn\u00e9es RAID<\/b><span style=\"font-weight: 400;\"> Jumeler plusieurs disques durs afin d'augmenter les performances et d'\u00e9viter les pertes de donn\u00e9es.<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid wpex-relative\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><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<h2><span style=\"font-weight: 400;\">Aucune solution n'est parfaite !<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Fait amusant, RAID \u00e9tait \u00e0 l'origine un acronyme pour \"Redundant Array of Inexpensive Disks\" (matrice redondante de disques peu co\u00fbteux). Il s'agit donc d'un moyen relativement peu co\u00fbteux de r\u00e9duire les risques de perte de donn\u00e9es <\/span><i><span style=\"font-weight: 400;\">et<\/span><\/i><span style=\"font-weight: 400;\"> augmenter les performances ? O\u00f9 s'inscrire ?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pas si vite. Comme pour tout autre type de technologie, <\/span><b>Matrices RAID<\/b><span style=\"font-weight: 400;\"> peuvent \u00e9chouer et \u00e9chouent effectivement. Il est vrai que le fait de stocker les m\u00eames donn\u00e9es \u00e0 plusieurs endroits diff\u00e9rents, en tant que base de donn\u00e9es, peut avoir des cons\u00e9quences n\u00e9gatives sur la qualit\u00e9 de l'information. <\/span><b>Base de donn\u00e9es RAID <\/b><span style=\"font-weight: 400;\">est un excellent moyen de prot\u00e9ger vos informations. Mais ne vous y trompez pas : aucun disque dur n'est invincible.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Lorsque votre <\/span><b>Disque dur RAID <\/b><span style=\"font-weight: 400;\">En cas d'\u00e9chec, vous ne voulez pas vous retrouver dans le froid avec un mat\u00e9riel cass\u00e9, inutile et sans donn\u00e9es. Une fois que vous avez compris le fonctionnement d'un disque dur RAID, vous pouvez prendre quelques mesures pour \u00e9viter la perte de donn\u00e9es dans votre r\u00e9seau de stockage RAID.<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid wpex-relative\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><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<h2><span style=\"font-weight: 400;\">Configuration<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Il existe de nombreux <\/span><b>Types de matrices RAID<\/b><span style=\"font-weight: 400;\">Tous les \u00c9tats membres de l'Union europ\u00e9enne sont des \u00c9tats membres de l'Union europ\u00e9enne, et tous ne sont pas cr\u00e9\u00e9s \u00e9gaux. Chaque <\/span><b>Type de RAID <\/b><span style=\"font-weight: 400;\">a son propre ensemble de redondances pour favoriser <\/span><b>pr\u00e9vention de la perte de donn\u00e9es<\/b><span style=\"font-weight: 400;\">. Avant de choisir celui qui vous convient le mieux, prenez le temps de d\u00e9terminer ce que vous devez accomplir et comment un <\/span><b>Disque dur RAID <\/b><span style=\"font-weight: 400;\">peut vous permettre d'y parvenir. Il existe quelques types populaires de <\/span><b>Matrices RAID<\/b><span style=\"font-weight: 400;\">et<\/span> <span style=\"font-weight: 400;\">il est utile de disposer d'un peu d'informations sur chacun d'entre eux.<\/span><\/p>\n<h3><a href=\"https:\/\/drivesaversdatarecovery.com\/fr-fr\/services-de-recuperation-des-donnees\/appareils-pris-en-charge\/raid-nas-san\/recuperation-des-donnees-raid-0\/\"><span style=\"font-weight: 400;\">RAID 0<\/span><\/a><\/h3>\n<p><span style=\"font-weight: 400;\">Le pr\u00e9sent <\/span><b>Lecteur RAID<\/b><span style=\"font-weight: 400;\"> utilise deux disques ou plus pour am\u00e9liorer les performances du serveur. Connu sous le nom de \"striping\", ce syst\u00e8me permet \u00e0 l'ordinateur d'utiliser des disques pour ex\u00e9cuter plusieurs fonctions simultan\u00e9ment. Mais dans cette configuration, lorsqu'un disque tombe en panne, c'est toute la matrice qui est affect\u00e9e. Le RAID 0 n'est donc pas un bon choix pour les utilisateurs qui ont beaucoup de donn\u00e9es \u00e0 stocker.<\/span><\/p>\n<h3><a href=\"https:\/\/drivesaversdatarecovery.com\/fr-fr\/services-de-recuperation-des-donnees\/appareils-pris-en-charge\/raid-nas-san\/recuperation-des-donnees-raid-1\/\"><span style=\"font-weight: 400;\">RAID 1<\/span><\/a><\/h3>\n<p><span style=\"font-weight: 400;\">Le RAID 1 utilise la \"mise en miroir des disques\" o\u00f9 deux disques ou plus se refl\u00e8tent l'un l'autre pour r\u00e9duire la perte de donn\u00e9es. Dans un disque dur RAID 1, les donn\u00e9es sont copi\u00e9es de mani\u00e8re transparente d'un disque \u00e0 l'autre, cr\u00e9ant ainsi une image miroir des informations et une copie int\u00e9gr\u00e9e de tout ce que l'utilisateur cr\u00e9e. Bien que cette approche r\u00e9duise la perte de donn\u00e9es, il y a toujours un l\u00e9ger d\u00e9calage dans le fonctionnement de l'ordinateur pendant la construction initiale du miroir. Ensuite, la vitesse redevient normale dans un RAID mat\u00e9riel et dans la plupart des RAID logiciels.<\/span><\/p>\n<h3><a href=\"https:\/\/drivesaversdatarecovery.com\/fr-fr\/services-de-recuperation-des-donnees\/appareils-pris-en-charge\/raid-nas-san\/recuperation-des-donnees-raid-5\/\"><span style=\"font-weight: 400;\">RAID 5<\/span><\/a><\/h3>\n<p><span style=\"font-weight: 400;\">Le pr\u00e9sent <\/span><b>Disque dur RAID <\/b><span style=\"font-weight: 400;\">utilise \u00e0 la fois la mise en miroir <\/span><i><span style=\"font-weight: 400;\">et <\/span><\/i><span style=\"font-weight: 400;\">pour augmenter les performances et r\u00e9duire les pertes de donn\u00e9es. Le RAID 5 est le plus souvent utilis\u00e9 dans les configurations d'entreprise, mais il peut y avoir un certain d\u00e9calage dans les syst\u00e8mes o\u00f9 de nombreux utilisateurs effectuent des op\u00e9rations d'\u00e9criture.<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid wpex-relative\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><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<h2><span style=\"font-weight: 400;\">Sauvegardez vos donn\u00e9es<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Sauvegarder ses donn\u00e9es semble \u00eatre une \u00e9vidence, et cela devrait l'\u00eatre ! Mais il y a encore des gens qui ne le font pas.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Selon le<\/span><a href=\"https:\/\/www.backblaze.com\/blog\/computer-backup-awareness-in-2018\/\"> <span style=\"font-weight: 400;\">Backblaze<\/span><\/a><span style=\"font-weight: 400;\">Selon l'enqu\u00eate, 76 % des utilisateurs sauvegardent leurs informations. Ce n'est pas si mal, mais en r\u00e9alit\u00e9, la plupart de ces utilisateurs ne sauvegardent leurs donn\u00e9es qu'une fois par an. Pensez \u00e0 tout ce que vous g\u00e9n\u00e9rez en un an. Pensez-vous vraiment que prot\u00e9ger vos donn\u00e9es une seule fois par an est acceptable ?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Avec un acc\u00e8s facile \u00e0 <\/span><b>le stockage en nuage personnel,<\/b><span style=\"font-weight: 400;\"> il n'y a vraiment aucune excuse pour ne pas sauvegarder vos donn\u00e9es. Il existe m\u00eame plusieurs applications qui se chargent automatiquement de cette t\u00e2che. Il s'agit d'une solution \"pr\u00eate \u00e0 l'emploi et oubli\u00e9e\", ce qui signifie que vous n'avez m\u00eame pas besoin de vous impliquer ! Vous pouvez aussi vous en tenir \u00e0 la bonne vieille m\u00e9thode et utiliser un bon vieux disque dur externe. Peu importe la mani\u00e8re dont vous sauvegardez vos donn\u00e9es, faites-le !<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bien entendu, quelle que soit la mani\u00e8re dont vous choisissez de sauvegarder vos informations, vous devez comprendre qu'il n'est pas n\u00e9cessaire d'utiliser un logiciel de sauvegarde. <\/span><b>R\u00e9seau RAID<\/b><span style=\"font-weight: 400;\"> est <\/span><i><span style=\"font-weight: 400;\">pas<\/span><\/i><span style=\"font-weight: 400;\"> un plan de sauvegarde. Mettez donc en place un programme de sauvegarde, suivez-le et prot\u00e9gez vos donn\u00e9es !<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid wpex-relative\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><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<h2><span style=\"font-weight: 400;\">Se pr\u00e9parer \u00e0 l'\u00e9chec<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">La question n'est pas <\/span><i><span style=\"font-weight: 400;\">si<\/span><\/i><span style=\"font-weight: 400;\"> votre disque dur tombera en panne, mais quand. Dans le cas de <\/span><b>Disques durs RAID<\/b><span style=\"font-weight: 400;\">Ils sont g\u00e9n\u00e9ralement constitu\u00e9s de disques durs cr\u00e9\u00e9s en m\u00eame temps, avec les m\u00eames mat\u00e9riaux, par le m\u00eame fabricant. Il est donc logique qu'ils tombent tous en panne au m\u00eame moment ou \u00e0 peu pr\u00e8s.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u00eame trois disques durs ou plus ne peuvent pas prot\u00e9ger vos informations s'ils tombent tous en panne en m\u00eame temps. Veillez donc \u00e0 la s\u00e9curit\u00e9 de vos donn\u00e9es en contr\u00f4lant r\u00e9guli\u00e8rement l'\u00e9tat des disques durs de votre ordinateur. <\/span><b>Lecteurs RAID<\/b><span style=\"font-weight: 400;\">. Suivez votre <\/span><b>R\u00e9seau RAID <\/b><span style=\"font-weight: 400;\">et cr\u00e9ez un plan d'action pour r\u00e9agir rapidement \u00e0 toute d\u00e9faillance du RAID. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Si vous remarquez une <\/span><b>D\u00e9faillance de la matrice RAID<\/b><span style=\"font-weight: 400;\">Remplacez imm\u00e9diatement le disque. Si vous attendez trop longtemps, vous risquez d'avoir deux ou trois disques durs en panne le temps de les r\u00e9parer. Dans ce cas, pour avoir les meilleures chances de r\u00e9cup\u00e9rer vos donn\u00e9es, faites appel \u00e0 un professionnel de la r\u00e9cup\u00e9ration de donn\u00e9es. <\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid wpex-relative\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><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<h2><span style=\"font-weight: 400;\">Trop de disques d\u00e9faillants<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Lorsque vous \u00eates confront\u00e9 \u00e0 une d\u00e9faillance <\/span><b>Disque dur RAID<\/b><span style=\"font-weight: 400;\">vous pouvez \u00eatre tent\u00e9 d'effectuer une op\u00e9ration de reconstruction. Il s'agit d'un processus au cours duquel les donn\u00e9es sont copi\u00e9es sur un autre disque pendant que le disque d\u00e9fectueux est remplac\u00e9. Apr\u00e8s la r\u00e9paration, les donn\u00e9es sont restaur\u00e9es et vous pouvez reprendre votre travail. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Vous pouvez r\u00e9ussir \u00e0 reconstruire un disque s'il n'y a qu'un seul disque \u00e0 remplacer. Dans ce cas, <\/span><b>Disques durs RAID <\/b><span style=\"font-weight: 400;\">disposent g\u00e9n\u00e9ralement d'un \"hot plug\" o\u00f9 les disques durs peuvent \u00eatre (assez) facilement remplac\u00e9s. Une fois le disque d\u00e9fectueux remplac\u00e9, l'utilisateur peut lancer l'op\u00e9ration de reconstruction et repartir \u00e0 z\u00e9ro sans perdre de donn\u00e9es.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mais cette solution n'est pas totalement infaillible. Il y a toujours un risque que quelque chose se passe mal pendant la reconstruction et cause des dommages suppl\u00e9mentaires. Avant de faire quelque chose d'irr\u00e9parable, envisagez de faire appel \u00e0 un sp\u00e9cialiste de la r\u00e9cup\u00e9ration de donn\u00e9es pour extraire vos informations.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Lorsque deux disques ou plus tombent en panne sur votre <\/span><b>Disque dur RAID<\/b><span style=\"font-weight: 400;\">Dans ce cas, le meilleur moyen d'\u00e9viter la perte de donn\u00e9es est d'envoyer le disque \u00e0 un sp\u00e9cialiste de la r\u00e9cup\u00e9ration de donn\u00e9es. Si vous tentez de remplacer plus d'un <\/span><b>Lecteur RAID <\/b><span style=\"font-weight: 400;\">toi-m\u00eame<\/span> <span style=\"font-weight: 400;\">et lancer une reconstruction, vous risquez de perdre vos donn\u00e9es \u00e0 jamais. Alors ne le faites pas !<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid wpex-relative\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><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<h2><span style=\"font-weight: 400;\">Prenez une photo, elle dure plus longtemps<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Si vous tentez de reconstruire votre <\/span><b>Disque dur RAID<\/b><span style=\"font-weight: 400;\">cr\u00e9er une image du contenu des disques durs <\/span><i><span style=\"font-weight: 400;\">avant<\/span><\/i><span style=\"font-weight: 400;\"> vous commencez \u00e0 reconstruire.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L\u00e0 encore, les reconstructions ne sont pas une garantie, surtout si vous vous chargez vous-m\u00eame de la t\u00e2che. Mais avec une image du contenu, vous avez une chance de r\u00e9cup\u00e9rer les donn\u00e9es si la reconstruction \u00e9choue. Dans cette situation, une <a href=\"https:\/\/drivesaversdatarecovery.com\/fr-fr\/services-de-recuperation-des-donnees\/appareils-pris-en-charge\/raid-nas-san\/recuperation-des-donnees-raid\/\">RAID data recovery specialist<\/a> can use your images to recreate <a href=\"\/fr-fr\/services-de-recuperation-des-donnees\/appareils-pris-en-charge\/raid-nas-san\/recuperation-des-donnees-raid\/\">les <\/a><\/span><b>RAID drive. <\/b><span style=\"font-weight: 400;\">Veillez simplement \u00e0 \u00e9tiqueter le contenu. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bien qu'il y ait de nombreux avantages \u00e0 utiliser un <\/span><b>Disque dur RAID<\/b><span style=\"font-weight: 400;\">En effet, aucun mat\u00e9riel n'est jamais parfait. Comme toute technologie, ils sont faillibles, complexes et, \u00e0 un moment ou \u00e0 un autre, ils tomberont en panne. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Prendre des mesures pour pr\u00e9venir <\/span><b>D\u00e9faillance du RAID <\/b><span style=\"font-weight: 400;\">et la perte de donn\u00e9es. Mais si vous avez besoin de <\/span><b>R\u00e9cup\u00e9ration des donn\u00e9es d'un disque RAID<\/b><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/drivesaversdatarecovery.com\/fr-fr\/contacter-drivesavers-b2b\/\"><span style=\"font-weight: 400;\">contactez Drivesavers pour r\u00e9cup\u00e9rer vos donn\u00e9es ! <\/span><\/a><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"For decades, PC users\u2019 computing efforts have been hindered by subpar hard drive configurations. In most cases, hard drives installed in a standard PC cause bottlenecking. And that results in a lot of lag and user frustration. RAID (Redundant Array of Independent Disks) hard drives have the power (literally!) to change that. These hard drives,&hellip;","protected":false},"author":25,"featured_media":49208,"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":[314],"post_series":[],"class_list":["post-49206","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-raid","entry","has-media"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Prevent Data Loss in your RAID Hard Drive<\/title>\n<meta name=\"description\" content=\"Think your RAID hard drive is invincible? Think again. Every hard drive fails eventually, and a RAID hard drive is no different. 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