{"id":105275,"date":"2022-10-11T03:37:41","date_gmt":"2022-10-11T01:37:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-2-0"},"modified":"2022-10-11T03:37:41","modified_gmt":"2022-10-11T01:37:42","slug":"reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-2-0","title":{"rendered":"Lanzamiento del dispositivo de bloques replicados distribuidos DRBD 9.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha publicado la versi\u00f3n del dispositivo de bloques replicables distribuidos DRBD 9.2.0, que permite implementar una especie de matriz RAID-1 formada por varios discos de diferentes m\u00e1quinas conectados por red (replicaci\u00f3n a trav\u00e9s de la red). El sistema est\u00e1 dise\u00f1ado como un m\u00f3dulo para el n\u00facleo de Linux y se distribuye bajo la licencia GPLv2. La rama drbd 9.2.0 se puede utilizar para reemplazar de manera transparente drbd 9.x.x y es completamente compatible a nivel de protocolo, archivos de configuraci\u00f3n y utilidades.    <\/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 varias decenas de nodos, ubicados tanto en una red local como geogr\u00e1ficamente dispersos en diferentes <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/kompaniya\/data-centers\/\"   title=\"centros de datos\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4643\">centros de datos<\/a>. La sincronizaci\u00f3n en estos tipos de almacenamiento distribuidos se realiza utilizando tecnolog\u00edas de red en malla (los datos se difunden en cadena de un nodo a otro). La replicaci\u00f3n de nodos puede realizarse en modo s\u00edncrono o as\u00edncrono. Por ejemplo, los nodos ubicados localmente pueden usar replicaci\u00f3n s\u00edncrona, mientras que para despliegues remotos se puede aplicar replicaci\u00f3n as\u00edncrona con compresi\u00f3n y cifrado adicionales del tr\u00e1fico.      <center><img decoding=\"async\" alt=\"Lanzamiento del dispositivo de bloques replicados distribuidos DRBD 9.2.0 \" src=\"\/wp-content\/uploads\/2022\/10\/846a30d9f2fab4b218f997648fd4ff70.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>En esta nueva versi\u00f3n:  <\/p>\n<ul>\n<li class=\"l\"> Se han reducido las latencias para las solicitudes de escritura replicadas. Una integraci\u00f3n m\u00e1s cercana con la pila de red ha permitido disminuir el n\u00famero de cambios de contexto del planificador.\n<li class=\"l\"> Se ha reducido la competencia entre las entradas\/salidas de aplicaciones y las entradas\/salidas de la re-sincronizaci\u00f3n mediante la optimizaci\u00f3n de bloqueos durante la re-sincronizaci\u00f3n de los extensos.\n<li class=\"l\"> Se ha mejorado significativamente el rendimiento de la resincronizaci\u00f3n en los backend que utilizan la asignaci\u00f3n din\u00e1mica de espacio en almacenamiento (\u00abthin provisioning\u00bb). El rendimiento se ha incrementado gracias a la combinaci\u00f3n de las operaciones trim\/discard, las cuales se ejecutan considerablemente m\u00e1s lentas que las operaciones de escritura normales.\n<li class=\"l\"> Se ha agregado soporte para espacios de nombres de red (network namespaces), lo que permiti\u00f3 implementar la integraci\u00f3n con Kubernetes para el tr\u00e1nsito del tr\u00e1fico de replicaci\u00f3n a trav\u00e9s de una red separada vinculada a los contenedores, en lugar de la red del entorno host.\n<li class=\"l\"> Se ha a\u00f1adido el m\u00f3dulo transport_rdma para ser utilizado como transporte Infiniband\/RoCE en lugar de TCP\/IP sobre Ethernet. La utilizaci\u00f3n de este nuevo transporte permite reducir las latencias, disminuir la carga del CPU y garantizar la obtenci\u00f3n de datos sin operaciones de copia adicionales (zero-copy).  <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57896\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \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 9.2.0, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\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 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0451\u043d\u043d\u044b\u0445 \u043f\u043e \u0441\u0435\u0442\u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u0434\u0438\u0441\u043a\u043e\u0432 \u0440\u0430\u0437\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d (\u0437\u0435\u0440\u043a\u0430\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e \u0441\u0435\u0442\u0438). \u0421\u0438\u0441\u0442\u0435\u043c\u0430 \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u0430 \u0432 \u0432\u0438\u0434\u0435 \u043c\u043e\u0434\u0443\u043b\u044f \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2. \u0412\u0435\u0442\u043a\u0430 drbd 9.2.0 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u043e\u0439 \u0437\u0430\u043c\u0435\u043d\u044b drbd 9.x.x \u0438 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u0430 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430, \u0444\u0430\u0439\u043b\u043e\u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":105276,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105275","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \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 9.2.0, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e 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\u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0420\u0435\u043b\u0438\u0437 \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 9.2.0 | ProHoster","og:description":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \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 9.2.0, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c 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(\u0437\u0435\u0440\u043a\u0430\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435.","og:url":"https:\/\/prohoster.info\/es\/blog\/news\/reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-2-0","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2022-10-11T01:37:42+00:00","article:modified_time":"2022-10-11T01:37:42+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts\/105275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/comments?post=105275"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts\/105275\/revisions"}],"predecessor-version":[{"id":164521,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts\/105275\/revisions\/164521"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/media\/105276"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/media?parent=105275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/categories?post=105275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/tags?post=105275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}