{"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\/hr\/blog\/news\/reliz-raspredelennogo-replicziruemogo-blochnogo-ustrojstva-drbd-9-2-0","title":{"rendered":"Izlaz iste distribuirane replikacijske blok ure\u0111aja DRBD 9.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Objavljen je izdanak distribuirane replicirane blokovne naprave DRBD 9.2.0, koja omogu\u0107ava implementaciju sli\u010dnog RAID-1 polja, formiranog od umre\u017eenih diskova razli\u010ditih ma\u0161ina (zrcaljenje preko mre\u017ee). Sustav je oblikovan kao modul za Linux kernel i distribuira se pod GPLv2 licencom. Grana drbd 9.2.0 mo\u017ee se koristiti za transparentnu zamjenu drbd 9.x.x i potpuno je kompatibilna na razini protokola, konfiguracijskih datoteka i alata.    <\/p>\n<p>DRBD omogu\u0107ava spajanje ure\u0111aja \u010dvorova klastera u jedinstvenu otpornu pohranu. Za aplikacije i sistem takva pohrana izgleda kao identi\u010dna blok ure\u0111aj za sve sisteme. Kada se koristi DRBD, sve operacije sa lokalnim diskom se \u0161alju na druge \u010dvorove i sinkronizuju sa diskovima drugih ma\u0161ina. U slu\u010daju kvara jednog \u010dvora, pohrana \u0107e automatski nastaviti sa radom zahvaljuju\u0107i preostalim \u010dvorovima. Kada se ponovo uspostavi dostupnost kvara \u010dvora, njegovo stanje \u0107e se automatski dovesti do aktuelnog izgleda.     <\/p>\n<p>U sastav klastera koji formira skladi\u0161te mo\u017ee u\u0107i nekoliko desetaka \u010dvorova, smje\u0161tenih kako u lokalnoj mre\u017ei, tako i teritorialno razaslanu na razli\u010dite <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/kompaniya\/data-centers\/\"   title=\"centara podataka\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4643\">centara podataka<\/a>. Sinhronizacija u takvim razgranatim skladi\u0161tima se vr\u0161i kori\u0161tenjem mesh mre\u017enih tehnologija (podaci se prenose lan\u010dano od \u010dvora do \u010dvora). Repliciranje \u010dvorova mo\u017ee se vr\u0161iti kako u sinhronom na\u010dinu, tako i u asinhronom. Na primjer, lokalno smje\u0161teni \u010dvorovi mogu koristiti sinhronu replikaciju, dok se za udaljena mjesta mo\u017ee primijeniti asinhrona replikacija uz dodatno kompresovanje i \u0161ifriranje prometa.      <center><img decoding=\"async\" alt=\"Izlaz iste distribuirane replikacijske blok ure\u0111aja DRBD 9.2.0 \" src=\"\/wp-content\/uploads\/2022\/10\/846a30d9f2fab4b218f997648fd4ff70.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>U novom izdanju:  <\/p>\n<ul>\n<li class=\"l\"> Smanjene su latencije za zrcalne zahtjeve za zapisivanje. Poja\u010dana integracija s mre\u017enim stakom omogu\u0107ila je smanjenje broja promjena konteksta planera.\n<li class=\"l\"> Smanjena je konkurencija izme\u0111u ulaza\/izlaza aplikacija i ulaza\/izlaza resinkronizacije optimizacijom zaklju\u010davanja tokom resinkronizacije ekstenata.\n<li class=\"l\"> Zna\u010dajno je pobolj\u0161ana izvedba resinkronizacije na backendima koji koriste dinami\u010dko dodjeljivanje prostora za pohranu (\"thin provisioning\"). Izvedbu je bilo mogu\u0107e pobolj\u0161ati spajanjem operacija trim\/discard koje se izvode znatno du\u017ee od standardnih operacija pisanja.\n<li class=\"l\"> Dodana je podr\u0161ka za mre\u017ene prostore imena (network namespaces), \u0161to je omogu\u0107ilo integraciju s Kubernetesom za prijenos mre\u017enog prometa replikacija kroz odvojenu mre\u017eu vezanu uz kontejnere, umjesto mre\u017ee host okru\u017eenja.\n<li class=\"l\"> Dodan je modul transport_rdma za kori\u0161tenje kao transport Infiniband\/RoCE umjesto TCP\/IP preko Ethernet-a. Kori\u0161tenje novog transporta omogu\u0107ava smanjenje latencija, smanjenje optere\u0107enja CPU-a i osiguranje prijema podataka bez dodatnih kopirnih operacija (zero-copy).  <\/ul>\n<p>Izvor: <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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