{"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\/es\/blog\/news\/v-yadro-linux-predlozheno-vklyuchit-raspredelyonnoe-replicziruemoe-blochnoe-ustrojstvo-drbd-9","title":{"rendered":"Se propone incluir en el n\u00facleo de Linux un dispositivo de bloque replicable distribuido DRBD 9.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha propuesto un conjunto de parches para el n\u00facleo de Linux con la implementaci\u00f3n de un dispositivo de bloque replicado distribuido, DRBD 9, que permite crear una especie de matriz RAID-1, formado por unidades de almacenamiento replicadas a trav\u00e9s de la red, conectadas a diferentes sistemas. Se pretende probar el controlador inicialmente en la rama linux-next y llevarlo a un estado listo para su integraci\u00f3n en el n\u00facleo de Linux 7.2.     <\/p>\n<p>La versi\u00f3n anterior de DRBD se incluye en el n\u00facleo desde la versi\u00f3n 2.6.33, lanzada hace 16 a\u00f1os. El c\u00f3digo que existe en el n\u00facleo se basa en la rama DRBD 8, que es sustancialmente diferente de la rama DRBD 9, lanzada en 2015 y no compatible a nivel de protocolo. Resulta que la rama DRBD 9 se desarroll\u00f3 en forma de un m\u00f3dulo externo independiente, no sincronizado con el m\u00f3dulo de la composici\u00f3n principal del n\u00facleo. La implementaci\u00f3n de DRBD en el n\u00facleo se ha mantenido por separado y est\u00e1 desactualizada en 10 a 15 a\u00f1os en comparaci\u00f3n con la base de c\u00f3digo actual de DRBD. Los parches propuestos se han creado para cerrar la brecha que se ha formado.    <\/p>\n<p>DRBD permite combinar los dispositivos de los nodos de un cl\u00faster en un almacenamiento tolerante a fallos unificado. Para las aplicaciones y el sistema, este almacenamiento se presenta como un dispositivo de bloque id\u00e9ntico para todos los sistemas. Al usar DRBD, todas las operaciones con el disco local se env\u00edan a otros nodos y se sincronizan con los discos de otras m\u00e1quinas. En caso de fallo de un nodo, el almacenamiento continuar\u00e1 funcionando autom\u00e1ticamente gracias a los nodos restantes. Cuando el nodo fallido se vuelve a poner en l\u00ednea, su estado se actualizar\u00e1 autom\u00e1ticamente a la versi\u00f3n m\u00e1s reciente.     <\/p>\n<p>El cl\u00faster que forma el almacenamiento puede incluir hasta 32 nodos, ubicados tanto en la red local como en datacenters geogr\u00e1ficamente dispersos. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/kompaniya\/data-centers\/\" title=\"centros de datos\" data-wpil-keyword-link=\"linked\">centros de datos<\/a>. La sincronizaci\u00f3n en tales almacenes distribuidos se lleva a cabo en forma de red mesh: los datos se dispersan a lo largo de una cadena de nodo a nodo. La replicaci\u00f3n de nodos puede realizarse tanto en modo sincr\u00f3nico como asincr\u00f3nico. Por ejemplo, los nodos ubicados localmente pueden aplicar replicaci\u00f3n sincr\u00f3nica, mientras que para los nodos en sitios remotos puede utilizarse replicaci\u00f3n asincr\u00f3nica con compresi\u00f3n y cifrado de tr\u00e1fico adicionales.    <\/p>\n<p>La rama DRBD 9 se diferencia por la abstracci\u00f3n del nivel de transporte, lo que ha permitido implementar canales de comunicaci\u00f3n no solo sobre TCP\/IP, sino tambi\u00e9n utilizando RDMA\/Infiniband. En comparaci\u00f3n con el funcionamiento sobre una red IP tradicional, la integraci\u00f3n del acceso directo a la memoria RAM de otro ordenador mediante RDMA (Acceso Directo a la Memoria Remota) ha duplicado el rendimiento de la replicaci\u00f3n al reducir la carga en la CPU en un 50%. El tama\u00f1o m\u00e1ximo del almacenamiento sincronizado se ha incrementado a 32 nodos. En DRBD 9 tambi\u00e9n se ha cambiado la l\u00f3gica de resincronizaci\u00f3n de nodos, se ha revisado el mecanismo de establecimiento de bloqueos, se ha a\u00f1adido soporte para espacios de nombres de red, se ha garantizado la instalaci\u00f3n autom\u00e1tica del estado del nodo seg\u00fan la actividad, se ha incluido soporte para commits en dos fases y para la difusi\u00f3n de actualizaciones en modo no bloqueante.    <img decoding=\"async\" alt=\"Se propone incluir en el n\u00facleo de Linux un dispositivo de bloque replicable distribuido DRBD 9.\" src=\"\/wp-content\/uploads\/2026\/04\/b1358709870d1333355954b71c5dd400.png\" style=\"display:block;margin: 0 auto\" \/><br \/>\n<br \/>Fuente: <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 \u0440\u0435\u043f\u043b\u0438\u0446\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e 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