{"id":167711,"date":"2026-04-06T23:11:55","date_gmt":"2026-04-06T21:11:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-yadro-linux-predlozheno-vklyuchit-raspredelyonnoe-replicziruemoe-blochnoe-ustrojstvo-drbd-9"},"modified":"2026-04-06T23:11:55","modified_gmt":"2026-04-06T21:11:56","slug":"v-yadro-linux-predlozheno-vklyuchit-raspredelyonnoe-replicziruemoe-blochnoe-ustrojstvo-drbd-9","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/v-yadro-linux-predlozheno-vklyuchit-raspredelyonnoe-replicziruemoe-blochnoe-ustrojstvo-drbd-9","title":{"rendered":"Proposition d'inclure dans le noyau Linux un dispositif de bloc r\u00e9pliqu\u00e9 distribu\u00e9 DRBD 9","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Un ensemble de correctifs a \u00e9t\u00e9 propos\u00e9 pour le noyau Linux, mettant en \u0153uvre un dispositif de bloc r\u00e9pliqu\u00e9 distribu\u00e9 DRBD 9, permettant de cr\u00e9er une sorte d'ensemble RAID-1 form\u00e9 par des disques miroir connect\u00e9s \u00e0 diff\u00e9rents syst\u00e8mes via le r\u00e9seau. Le pilote sera d'abord test\u00e9 dans la branche linux-next et pr\u00e9par\u00e9 pour une int\u00e9gration dans le noyau Linux 7.2.     <\/p>\n<p>L'ancienne version de DRBD est incluse dans le noyau depuis la version 2.6.33, sortie il y a 16 ans. Le code existant dans le noyau est bas\u00e9 sur la branche DRBD 8, qui diff\u00e8re consid\u00e9rablement de la branche DRBD 9, sortie en 2015 et incompatible au niveau du protocole. Ainsi, la branche DRBD 9 s'est d\u00e9velopp\u00e9e en tant que module externe s\u00e9par\u00e9, non synchronis\u00e9 avec le module provenant du noyau principal. L'impl\u00e9mentation de DRBD dans le noyau a \u00e9t\u00e9 maintenue s\u00e9par\u00e9ment et est en retard de 10 \u00e0 15 ans par rapport \u00e0 la base de code actuelle de DRBD. Les correctifs propos\u00e9s sont con\u00e7us pour combler cet \u00e9cart.    <\/p>\n<p>DRBD permet de regrouper les disques des n\u0153uds d'un cluster en un stockage tol\u00e9rant aux pannes unique. Pour les applications et le syst\u00e8me, ce stockage appara\u00eet comme un dispositif de bloc identique pour tous les syst\u00e8mes. Lors de l'utilisation de DRBD, toutes les op\u00e9rations sur le disque local sont envoy\u00e9es \u00e0 d'autres n\u0153uds et synchronis\u00e9es avec les disques des autres machines. En cas de d\u00e9faillance d'un n\u0153ud, le stockage continuera automatiquement \u00e0 fonctionner gr\u00e2ce aux n\u0153uds restants. Lors de la reprise de la disponibilit\u00e9 du n\u0153ud d\u00e9faillant, son \u00e9tat sera automatiquement mis \u00e0 jour.     <\/p>\n<p>Un cluster formant le stockage peut comprendre jusqu'\u00e0 32 n\u0153uds, situ\u00e9s \u00e0 la fois dans un r\u00e9seau local et dans des sites g\u00e9ographiquement dispers\u00e9s <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/kompaniya\/data-centers\/\" title=\"centres de donn\u00e9es\" data-wpil-keyword-link=\"linked\">centres de donn\u00e9es<\/a>. La synchronisation dans de tels stockage ramifi\u00e9s s'effectue sous la forme d'un r\u00e9seau maill\u00e9 \u2014 les donn\u00e9es se dispersent en cha\u00eene, d'un n\u0153ud \u00e0 l'autre. La r\u00e9plication des n\u0153uds peut \u00eatre effectu\u00e9e en mode synchrone ou asynchrone. Par exemple, les n\u0153uds localement install\u00e9s peuvent utiliser la r\u00e9plication synchrone, tandis que pour les n\u0153uds situ\u00e9s sur des sites distants, une r\u00e9plication asynchrone avec compression et chiffrement suppl\u00e9mentaires du trafic peut \u00eatre appliqu\u00e9e.    <\/p>\n<p>La branche DRBD 9 se distingue par l'abstraction du niveau de transport, permettant de r\u00e9aliser des canaux de communication non seulement sur TCP\/IP, mais aussi en utilisant RDMA\/Infiniband. Compar\u00e9 au fonctionnement sur un r\u00e9seau IP traditionnel, l'int\u00e9gration de l'acc\u00e8s direct \u00e0 la m\u00e9moire d'un autre ordinateur via RDMA (Remote Direct Memory Access) a permis de doubler la performance de r\u00e9plication tout en r\u00e9duisant la charge sur le CPU de 50 %. La taille maximale du stockage synchronis\u00e9 a \u00e9t\u00e9 augment\u00e9e \u00e0 32 n\u0153uds. Dans DRBD 9, la logique de resynchronisation des n\u0153uds a \u00e9galement \u00e9t\u00e9 modifi\u00e9e, le m\u00e9canisme de blocage a \u00e9t\u00e9 repens\u00e9, le support des espaces de noms r\u00e9seau (network namespace) a \u00e9t\u00e9 ajout\u00e9, le statut du n\u0153ud est automatiquement d\u00e9fini en fonction de l'activit\u00e9, ainsi que la prise en charge des commits en deux phases et de la diffusion des mises \u00e0 jour en mode non-bloquant.    <img decoding=\"async\" alt=\"Proposition d&#039;inclure dans le noyau Linux un dispositif de bloc r\u00e9pliqu\u00e9 distribu\u00e9 DRBD 9\" src=\"\/wp-content\/uploads\/2026\/04\/b1358709870d1333355954b71c5dd400.png\" style=\"display:block;margin: 0 auto\" \/><br \/>\n<br \/>Source : <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65158\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043b\u044f \u044f\u0434\u0440\u0430 Linux \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0440\u0435\u043f\u043b\u0438\u0446\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u0431\u043b\u043e\u0447\u043d\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 DRBD 9, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043f\u043e\u0434\u043e\u0431\u0438\u0435 \u043c\u0430\u0441\u0441\u0438\u0432\u0430 RAID-1, \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0438\u0437 \u0437\u0435\u0440\u043a\u0430\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u043f\u043e \u0441\u0435\u0442\u0438 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439, \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0451\u043d\u043d\u044b\u0445 \u043a \u0440\u0430\u0437\u043d\u044b\u043c \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u043c. \u0414\u0440\u0430\u0439\u0432\u0435\u0440 \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u044b \u0432\u043d\u0430\u0447\u0430\u043b\u0435 \u043f\u0440\u043e\u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0432 \u0432\u0435\u0442\u043a\u0435 linux-next \u0438 \u0434\u043e\u0432\u0435\u0441\u0442\u0438 \u0434\u043e \u0433\u043e\u0442\u043e\u0432\u043d\u043e\u0441\u0442\u0438 \u043a \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u0438 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux 7.2. \u0421\u0442\u0430\u0440\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 DRBD \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u044f\u0434\u0440\u0435 \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":167712,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-167711","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043b\u044f \u044f\u0434\u0440\u0430 Linux \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e 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\u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412 \u044f\u0434\u0440\u043e Linux \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043e \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0435 \u0440\u0435\u043f\u043b\u0438\u0446\u0438\u0440\u0443\u0435\u043c\u043e\u0435 \u0431\u043b\u043e\u0447\u043d\u043e\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e DRBD 9 | ProHoster","og:description":"\u0414\u043b\u044f \u044f\u0434\u0440\u0430 Linux \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0440\u0435\u043f\u043b\u0438\u0446\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u0431\u043b\u043e\u0447\u043d\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 DRBD 9, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043f\u043e\u0434\u043e\u0431\u0438\u0435 \u043c\u0430\u0441\u0441\u0438\u0432\u0430 RAID-1, \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0438\u0437 \u0437\u0435\u0440\u043a\u0430\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u043f\u043e \u0441\u0435\u0442\u0438 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