{"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\/sv\/blog\/news\/reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-2-0","title":{"rendered":"Utg\u00e5van av det distribuerade replikerade blocklagret DRBD 9.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Utg\u00e5van av det distribuerade replikerbara blocksystemet DRBD 9.2.0 har publicerats, vilket m\u00f6jligg\u00f6r skapandet av en RAID-1-liknande konfiguration som best\u00e5r av flera diskar fr\u00e5n olika maskiner kopplade \u00f6ver n\u00e4tverket (n\u00e4tverksmirroring). Systemet \u00e4r utformat som en modul f\u00f6r Linux-k\u00e4rnan och distribueras under GPLv2-licensen. DRBD-grenen 9.2.0 kan anv\u00e4ndas f\u00f6r en transparent ers\u00e4ttning av drbd 9.x.x och \u00e4r helt kompatibel p\u00e5 protokollniv\u00e5, konfigurationsfiler och verktyg.    <\/p>\n<p>DRBD m\u00f6jligg\u00f6r att sammanf\u00f6ra klustrets noder till en enhetlig felfri lagring. F\u00f6r applikationer och system ser detta lagringsutrymme ut som en enhetlig blockenhet f\u00f6r alla system. Vid anv\u00e4ndning av DRBD skickas alla operationer med den lokala disken till andra noder och synkroniseras med diskarna p\u00e5 andra maskiner. Om en nod g\u00e5r ner kommer lagringen automatiskt att forts\u00e4tta fungera tack vare de kvarvarande noderna. N\u00e4r den felande nodens tillg\u00e4nglighet \u00e5terst\u00e4lls kommer dess tillst\u00e5nd automatiskt att uppdateras till det aktuella l\u00e4get.     <\/p>\n<p>Klustret som formar lagringssystemet kan best\u00e5 av flera dussin noder, placerade b\u00e5de i det lokala n\u00e4tverket och geografiskt spridda \u00f6ver olika <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/kompaniya\/data-centers\/\"   title=\"datacenter\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4643\">datacenter<\/a>. Synkronisering i s\u00e5dana distribuerade lagringssystem utf\u00f6rs med hj\u00e4lp av mesh-n\u00e4tverkstekniker (data sprids kedjevis fr\u00e5n nod till nod). Replikation av noder kan utf\u00f6ras antingen i synkront l\u00e4ge eller i asynkront l\u00e4ge. Till exempel kan lokalt placerade noder anv\u00e4nda synkron replikation, medan f\u00f6r fj\u00e4rrliggande platser kan asynkron replikation till\u00e4mpas med ytterligare kompression och kryptering av trafiken.      <center><img decoding=\"async\" alt=\"Utg\u00e5van av det distribuerade replikerade blocklagret DRBD 9.2.0 \" src=\"\/wp-content\/uploads\/2022\/10\/846a30d9f2fab4b218f997648fd4ff70.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>I den nya utg\u00e5van:  <\/p>\n<ul>\n<li class=\"l\"> F\u00f6rdr\u00f6jningar f\u00f6r speglade skrivf\u00f6rfr\u00e5gningar har minskat. Den t\u00e4tare integrationen med n\u00e4tverksstacken har m\u00f6jliggjort en minskning av antalet kontextbyten av schemal\u00e4ggaren.\n<li class=\"l\"> Konkurrensen mellan applikationens I\/O och resynkroniseringens I\/O har minskat genom optimering av l\u00e5s vid resynkronisering av extenter.\n<li class=\"l\"> Prestandan f\u00f6r resynkronisering har \u00f6kat avsev\u00e4rt p\u00e5 backend-system som anv\u00e4nder dynamisk lagringsallokering (\"thin provisioning\"). Prestandan har f\u00f6rb\u00e4ttrats genom att kombinera trim\/discard-operationer, som tar betydligt l\u00e4ngre tid \u00e4n vanliga skrivoperationer.\n<li class=\"l\"> St\u00f6d f\u00f6r n\u00e4tverksnamnrymder (network namespaces) har lagts till, vilket m\u00f6jligg\u00f6r integration med Kubernetes f\u00f6r att \u00f6verf\u00f6ra n\u00e4tverkstrafik f\u00f6r replikering genom ett separat n\u00e4tverk kopplat till containrar, ist\u00e4llet f\u00f6r v\u00e4rdens n\u00e4tverksmilj\u00f6.\n<li class=\"l\"> Modulen transport_rdma har lagts till f\u00f6r att anv\u00e4ndas som transport mellan Infiniband\/RoCE ist\u00e4llet f\u00f6r TCP\/IP \u00f6ver Ethernet. Anv\u00e4ndningen av den nya transportmetoden minskar f\u00f6rdr\u00f6jningar, minskar CPU-belastning och g\u00f6r att data kan tas emot utan on\u00f6diga kopieringsoperationer (zero-copy).  <\/ul>\n<p>K\u00e4lla: <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 5.0.4 - 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 \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.","og:url":"https:\/\/prohoster.info\/sv\/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\/sv\/wp-json\/wp\/v2\/posts\/105275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/comments?post=105275"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/posts\/105275\/revisions"}],"predecessor-version":[{"id":164521,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/posts\/105275\/revisions\/164521"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/media\/105276"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/media?parent=105275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/categories?post=105275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/tags?post=105275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}